Relevant bibliographies by topics / Triple alloys

Academic literature on the topic 'Triple alloys'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Triple alloys"

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Rodin, Alexey O., and Ainur Khairullin. "Ni Grain Boundary Diffusion in Cu-Co Alloys." Defect and Diffusion Forum 363 (May 2015): 130–32. http://dx.doi.org/10.4028/www.scientific.net/ddf.363.130.

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The influence of Co as an alloying element on grain boundary diffusion (GBD) in Cu attracts particular interest due to anomalous GBD of Co in Cu. Ni as a neutral to Co and Cu element was chosen for GBD study. The triple products of Ni GBD in Cu and Cu-Co alloys (with concentration up to 2.9 wt. %) were determined in temperature range 500 – 700 °C by X-ray microprobe analysis. It was shown, that in spite of some scattering the triple product does not depend on Co concentration at all temperatures of experiments. From the obtained results it follows that Co does not change the GB structure.
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Lee, W. M., and M. A. Zikry. "Dispersed particle and triple junction interactions in aluminum alloys." Materials Science and Engineering: A 535 (February 2012): 264–73. http://dx.doi.org/10.1016/j.msea.2011.12.081.

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Vaganov, Danil V., Sergei Zhevnenko, and Yuri Terentyev. "Grain Boundary Diffusion of Silver in Copper-Iron Alloys." Defect and Diffusion Forum 323-325 (April 2012): 161–64. http://dx.doi.org/10.4028/www.scientific.net/ddf.323-325.161.

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Grain boundary (GB) diffusion of Ag in Cu-based alloys with Fe (0, 0.14, 0.29, 0.43, 0.55 and 0.99 at. % Fe) was investigated. The experiments were performed at 600, 650 and 700 °C, which corresponded to B-regime. It was proved by the presence of diffusion wedges. The triple product of silver GB diffusion was obtained by measuring of angle at the top of isoconcentration profiles which was detected by electrochemical etching. It was shown that iron decreased the triple product at higher temperatures and didnt affect significantly at lower temperatures. SEM investigation showed the presence of small (10-100 nm) precipitates on the copper grain boundaries. Analysis of particles composition by Auger electron spectroscopy indicated higher concentration of iron comparing with the alloy composition.
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Sursaeva, V. G. "Hysteresis of Triple Junction Mobility." Russian Metallurgy (Metally) 2021, no. 10 (October 2021): 1165–70. http://dx.doi.org/10.1134/s0036029521100323.

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Kim, Jeoung Han, S. Lee Semiatin, and Chong Soo Lee. "Deformation Behavior of Ti-6Al-4V and Ti-6.85Al-1.6V Alloy with a Globular Microstructure." Materials Science Forum 475-479 (January 2005): 2965–68. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.2965.

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The high temperature deformation mechanisms of two phase a+b alloy and a near-a alloy were investigated, and compared within the framework of inelastic-deformation theory. For this purpose, load-relaxation tests were conducted on the two alloys at temperatures of 750~900°C. The flow stress-vs.-strain rate curves for both alloys were well fit with inelastic deformation equations describing dislocation glide and grain boundary sliding. The amount of grain boundary sliding resistance was higher in the near-a alloy rather than the two phase a+b alloy due to difficulty in stress relaxation at triple junction region.
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Zeng, Hong Jie, Lai Qi Zhang, Jun Pin Lin, Shao Jie Zhang, and Guo Liang Chen. "Alloy and Powder Preparation of High Niobium Containing TiAl Based Alloys." Applied Mechanics and Materials 109 (October 2011): 150–55. http://dx.doi.org/10.4028/www.scientific.net/amm.109.150.

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High Nb containing TiAl based alloys exhibit excellent corrosion resistance to molten zinc. They are expected to serve as the potential coating materials of corrosion resistance to molten zinc. Four TiAl-Nb alloys of good oxidation resistance and their powders were prepared by arc-melting and ball milling, respectively. The Microstructure, Hardness, Coefficient of thermal expansion, and grain size distribution of four as-cast TiAl-Nb alloys and their powders were investigated. In addition, EPMA analysis was employed to further examine the existential state of element Y in as-cast TiAl-Nb alloys. It was found that element Y existed in the form of YAl2 phase in the grain boundaries and triple junctions. Higher content of Al in TiAl-Nb alloy results in bigger Coefficient of thermal expansion. Lamellar microstructures and fine grains exert a positive influence on hardness. Powders prepared by ball milling displayed angular and irregular morphology.
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Tang, C., W. M. Huang, C. C. Wang, and H. Purnawali. "The triple-shape memory effect in NiTi shape memory alloys." Smart Materials and Structures 21, no. 8 (July 20, 2012): 085022. http://dx.doi.org/10.1088/0964-1726/21/8/085022.

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Kwon, Yong Nam, Young Seon Lee, S. W. Kim, and Jung Hwan Lee. "Accommodation of Grain Boundary Sliding in AZ31 Alloy." Key Engineering Materials 345-346 (August 2007): 581–84. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.581.

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Mg alloys could be the lightest alloys among the industrially applicable engineering alloys. Since wrought Mg alloy has limited applications due to the poor formability, casting is currently the main processing technique to fabricate Mg components even though wrought alloys are superior in terms of mechanical properties and reliability. While a lot of research and development has been focused on warm forming under the temperature condition of around 250°C where more formability could be expected, superplastic forming could be another way to get over the low formability of Mg alloys. Like other superplastic materials grain boundary sliding is the main deformation mechanism of Mg superplasticity. Accommodation of stress concentration around triple point of grain boundary should be done favorably if grain boundary sliding continues without any fracture. In the present study, superplastic behavior of AZ31 alloys with several grain sizes was examined firstly. Accommodation of grain boundary sliding of AZ31 alloy would be discussed on the basis of grain morphology and texture evolution after tensile deformation.
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Tang, Cheng, Wei Min Huang, and Chang Chun Wang. "From Dual-Shape/Temperature Memory Effect to Triple-Shape Memory Effect in NiTi Shape Memory Alloys." Advances in Science and Technology 78 (September 2012): 1–6. http://dx.doi.org/10.4028/www.scientific.net/ast.78.1.

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Triple-shape memory effect (SME), i.e., to recover the original shape through one intermediate shape upon heating, has been demonstrated as an intrinsic feature of thermo-responsive shape memory polymers (SMPs) after being uniformly programmed, but seemingly has yet been achieved in shape memory alloys (SMAs). In this paper, we study two programming approaches, in which the deformation is uniform throughout the whole sample length without involving any permanent change in material properties at all, to realize the triple-SME in NiTi SMAs. We show that the triple-SME can be tailored to meet the temperature/strain requirements. With this technique, now we are able to achieve step-by-step motion control in SMAs.
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Erokhin, L. I. "Matrix Description of Some Thermodynamic Properties of Multicomponent Alloys in Explicit Form." Defect and Diffusion Forum 268 (November 2007): 51–58. http://dx.doi.org/10.4028/www.scientific.net/ddf.268.51.

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A matrix method for description of some thermodynamic properties in multicomponent alloys in explicit form has been proposed. It has been found that the method for determining thermodynamic properties from the cross-section data allows to find the contribution of short-range ordering into the thermodynamic state of an imperfect alloy. Diffusion processes in alloys are formed both from purely kinetic migrations of particles and from the system's thermodynamic properties. A consequence of this fact is that the diffusion coefficients D in all systems except for perfect solid solutions include to factors being D = Lg , the second one is the thermodynamic factor directly related to the system's chemical potential. However direct experimental separation of these factors can easily be performed in binary systems only while in triple systems in is highly difficult let alone multicomponent systems. Experimental evaluation of the factors in multicomponent systems from short-range order's parameters [1] would allow to establish a relation between the system's thermodynamic properties which is highly important for further progress in multicomponent diffusion theory and for practical applications.
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Dissertations / Theses on the topic "Triple alloys"

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Дмитрієв, Вадим Сергійович. "Омічні та інжектуючі бар’єрні переходи до арсеніду галію." Doctoral thesis, Київ, 2019. https://ela.kpi.ua/handle/123456789/29304.

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Роботу виконано на кафедрі мікроелектронних інформаційних систем Інженерного інституту Запорізького національного університету Міністерства освіти і науки України.
Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.27.06 - Технологія, обладнання та виробництво електронної техніки. – Інженерний інститут Запорізького національного університету, Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського», 2019. Дисертаційну роботу присвячено розробці технології відтворюваного отримання омічних та інжектуючих бар’єрних переходів на основі срібла до арсеніду галію n-типу провідності. Розроблено технологію відтворюваного отримання омічних контактів Ag-Ge-In/n-n+GaAs, яка забезпечує лінійну ВАХ, коефіцієнт інжекції γ=0,07…0,00, контактний опір (5…7)∙10-5 Ом∙см2. Розроблено технологію відтворюваного отримання інжектуючих бар`єрних переходів Ag/n-n+GaAs з висотою потенційного бар’єру 0,98 В, коефіцієнтом інжекції γ =10-8, коефіцієнтом неідеальності η=1,087. Розроблені технології нанесення контактного матеріалу та режимів термообробки при створенні омічних та інжектуючих бар’єрних переходів рекомендуються до використання при виготовленні багатоелектродного МЕП-приладу з розширеними функціональними можливостями, до складу якого входять керуючі електроди, розташовані над областю розповсюдження біжучої хвилі.
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Nelson, Nico. "An investigation into the feasibility of combined diamond and diamond-like carbon coatings for effective dry turning of aluminium alloys." Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/13186.

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The efficacy of combined diamond and diamond like carbon coatings, to allow for effective and efficient dry turning of aluminium alloy Al 6082, has been investigated. Optimised diamond and diamond-like carbon (DLC) coatings were combined and deposited onto a WC-Co insert using chemical vapour deposition (CVD) methods. DLC coatings were developed by testing the effects of bias voltage, deposition time and gas pressure. During the development of the DLC layer, the effects of substrate geometry and positioning in the deposition chamber were investigated. It was discovered that coating characteristics could vary significantly across the samples as a result of geometrical effects. This contradicted claims that, as plasma enhanced CVD is a non-line of sight deposition method, any variation in the coating due to geometry would be negligible. SEM analysis revealed coating thickness to increase by over 50%. AFM measurements showed coating roughness to increase by up to 30 times, whilst Raman spectroscopy highlighted a significant decrease in sp3 bonding. This variation in characteristics was seen, through the use of scratch testing, to translate into significantly reduced tribological performance. Friction was increased by 60% and critical load was only half of that of the coating applied to flat surface. The combined coatings were characterised and machining performance was evaluated. Coating characteristics were examined using SEM, AFM and Raman spectroscopy. Cutting trials designed to simulate the expected tool life were conducted. Micro and nano-crystalline diamond coatings, with and without an additional DLC layer were trialled along with a single layer DLC coating. Commercially available uncoated and TiN coating inserts of identical geometry were also trialled as a reference. The results showed that the addition of the DLC layer effectively reduced the roughness of the diamond, however, this did not translate into reduced adhesion of the aluminium to the cutting tip. It has been shown that for this particular machining scenario, a smoother coating effectively increased friction and adhesion of the workpiece material. The investigation has highlighted that due to the complex dynamics of material transfer effects in sliding, it cannot be assumed that a smoother surface layer will lead to improved tribological performance.
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Hussain, Shawnee, and Emil Johansson. "Assessment of a Historical Aluminium alloy : A study on Fritzi metal along with an analysis on the properties and casting trials." Thesis, KTH, Materialvetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-298416.

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During World War I, Otto Meyer invented the alloy Fritzi metal, and the composition died with him. However,  there  are  descriptions  of  the  alloy's properties.  Previously,  an  attempt  to  identify  the composition  was  made, resulting  in  simulated  properties  that  did not match those described. In this project, Thermo-Calc simulations concerning solidus and liquidus temperatures were conducted, and combined  with  previous  research  on  the  Al-Zn-Cu system. These  suggested  that  the  composition 75Al20Zn5Cu  wt%  (weight percent) would  be  a  closer  match  for  the  description,  especially  if considering  that the stated melting temperature may have been the pouring temperature. In addition, density  tests  and  calculations  found  the  alloy significantly  lighter than  described.  However,  the description  was  possibly not  literal.  With  a selected  composition,  casting  trials,  hardness  and weldability  tests  followed. The  alloy  was  found  easy  to  cast  with  and sufficiently  hard  for  its application.  Welding  the  material  proved  to  be possible if the correct method, pulsed direct current, was  used.  In  the  end,  the  proposed  alloy  was  similar to  the  description,  and  potential explanations were made for the remaining differences.
Under  första  världskriget  uppfann  Otto  Meyer  legeringen  Fritzimetall,  och sammansättningen  dog med  honom.  Däremot  finns  beskrivningar  av legeringens egenskaper. Tidigare gjordes ett försök att identifiera sammansättningen,  vilket  resulterade  i  simulerade  egenskaper  som  inte matchade  de beskrivna.   I   detta   projekt   gjordes   simuleringar   i   Thermo-Calc   av   solidustemperatur   och liquidustemperatur,  vilka kombinerades med tidigare forskning på Al-Zn-Cu-systemet. Sammantaget såg   det   ut   som   sammansättningen   75Al20Zn5Cu   wt%   (viktprocent)   skulle   vara   närmare beskrivningarna,   särskilt   om   man   överväger   att   den   beskrivna   smälttemperaturen   kan   vara gjuttemperaturen.  Dessutom  fann  test  och beräkningar  kring  densiteten  att  legeringen  var  avsevärt lättare  än  den beskrevs som. Det är dock möjligt att beskrivningen inte var bokstavlig. Med en vald sammansättning följde av gjutförsök, hårdhetstest och svetsbarhetstest. Legeringen fanns vara lätt att gjuta  med  och  hård nog för tillämpningen. Att svetsa materialet visade sig vara möjligt med korrekt metod, pulserad likström. I slutändan liknade den föreslagna legeringen beskrivningarna, och möjliga förklaringar gjordes för de kvarvarande skillnaderna.
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Racine, Rosalie. "Confronter les crimes nazis : les procès militaires alliés et l'opinion publique en Allemagne occupée." Thesis, 2020. http://hdl.handle.net/1866/25462.

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Ce mémoire de maîtrise analyse les liens entre les premiers procès militaires alliés en Allemagne occupée et l’opinion publique allemande dans l’après-guerre immédiat. Notre mémoire de maîtrise, à travers la présentation de l’analyse du procès de Belsen, organisé par les forces d’occupation britanniques de septembre à novembre 1945, et du procès de Dachau, tenu par le gouvernement militaire américain entre novembre et décembre 1945, cherche à mettre en lumière l’importance que ces derniers revêtaient dans l’établissement de relations cordiales entre occupants et occupés. Ce mémoire démontre donc, par les exemples de Belsen et Dachau, que les procès se situaient à la croisée entre le besoin des Alliés d’établir des relations positives avec les Allemands et leurs programmes de dénazification et de rééducation. Nous remarquons ainsi que, des premières étapes dans l’organisation de ces tribunaux jusqu’à leur achèvement, les Alliés ont pris en considération les différentes réactions des Allemands face aux procédures judiciaires : d’abord, avec l’ancrage des accusations et des procédures judiciaires dans une législation internationale qui précédait le début de la guerre, puis avec l’autorisation d’une défense pour les accusés qui permettait aux Alliés de revendiquer une autorité morale sur leur zone d’occupation. Ce mémoire de maîtrise, en plus d’examiner les procès d’après-guerre et leurs objectifs, propose également une analyse de la couverture journalistique de ces tribunaux et des sondages d’opinion publique menés après les procédures judiciaires. Notre étude établit ainsi que la couverture journalistique des procès était, souvent, une des premières fois où les Allemands se trouvaient confrontés aux atrocités commises dans les camps de concentration nazis. Finalement, avec l’analyse des sondages d’opinion publique, nous argumentons que les procès, en tant qu’outil politique, ont eu un succès mitigé dans l’établissement de relations positives entre les forces d’occupation britanniques et américaines et les Allemands.
This masters’ thesis analyses the connections between the first allied military trials held in postwar Germany and German public opinion toward the British and American occupation forces. Focused on the Belsen trial, held in the British occupation zone from September to November 1945, and the Dachau trial, held by the American military government in the U.S. occupation zone between November and December 1945, this study seeks to highlight the importance both trials held for the British and the Americans in establishing positive relations with the Germans. Using Belsen and Dachau as case studies, it argues that, while they were essential to British and American denazification and re-education programs, they also had to be conducted in a manner that ensured the best possible relationship the German public and the occupation forces in both the American and British occupation zones. I demonstrate that, from the initial steps implemented to set up the trials through their conclusion, both powers took German concerns and reactions to the judiciary procedures into account: first by anchoring the charges and the trials themselves in international law preceding the Second World War; then by providing the right to a defense to the accused. Both factors, the Allies believed, allowed them to claim a moral authority over their occupation zone. The memoir’s examination of the trials and their purpose is complimented by an analysis of the press coverage of the trials and public opinion surveys taken after the trials. This study states that the press coverage was oftentimes one the first instances in which Germans were confronted to the atrocities committed in the concentration camps. Finally, this study argues that, as a part of larger programs, the trials had a limited success as a tool to implement positive relations between the British and American occupation forces and the German population.
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Books on the topic "Triple alloys"

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McKay, Derek. Allies of convenience: Diplomatic relations between Great Britain and Austria, 1714-1719. New York: Garland Pub., 1986.

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Mortal allies. London: Orion, 2003.

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Haig, Brian. Mortal allies. New York: Warner Books, 2002.

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Haig, Brian. Mortal Allies. New York: Grand Central Publishing, 2002.

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Mortal Allies: Sean Drummond 02. [Waterville, Me.]: Wheeler Pub., 2002.

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Mortal Allies: Sean Drummond 02. London: Orion, 2002.

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Brezenoff, Steven. The bowling lane without any strikes. North Mankato, Minn: Capstone Stone Arch Books, 2014.

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Crushes, cliques and the cool school trip. London: Scholastic, 2012.

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Lambert, Véronique. The Adornes Domain and the Jerusalem Chapel in Bruges. Translated by Ian Connerty. NL Amsterdam: Amsterdam University Press, 2018. http://dx.doi.org/10.5117/9789462989924.

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Bruges, middle of the 15th century. Anselm Adornes, scion of a rich patrician family, creates a magnificent domain in the heart of the city : an elegant mansion, beautiful gardens, several charitable almshouses and the spectacular Chapel of Jerusalem. It is a place that every right-minded resident of Bruges and every tourist must see. The history of the Adornes domain is truly remarkable, remaining in the unbroken possession of the same family for six centuries. It has survived storms and setbacks, the secularism of the French Revolution, the fury of two world wars and inevitable periods of disinterest. 'In this book Véronique Lambert allows us to share in the hopes and fears, joys and sorrows, trials and tribulations that mark the milestones in the Adornes family saga. Within the boundaries of historical interpretation and based on extensive research, she unfolds a fascinating tale of ambitious adventurers, charismatic personalities, flamboyant lords and ordinary mortals, but each imbued with the family's traditional willpower and energy'. Let yourself be enchanted by this fascinating piece of our cultural heritage, which deserves to be more widely known.
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Harrison, Mark. Types of trials. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198765875.003.0059.

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This chapter describes types of trials as applied to Emergency Medicine, and in particular the Primary FRCEM examination. The chapter outlines the key details and advantages and disadvantages of case reports, case series, cohort studies, case–control studies, randomized controlled trials, crossover trials, systematic reviews, and meta-analysis. This chapter is laid out exactly following the RCEM syllabus, to allow easy reference and consolidation of learning.
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Book chapters on the topic "Triple alloys"

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Fawcett, Eric, and D. R. Noakes. "Critical Fluctuations and the Nature of the Néel Transition Near the Triple Point in Chromium Alloys." In Itinerant Electron Magnetism: Fluctuation Effects, 27–42. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5080-4_3.

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Li, Hui, Xirong Liu, Kai Zhang, Wenqing Liu, and Shuang Xia. "Morphology Evolution of Grain Boundary Carbides Precipitated Near Triple Junctions in Highly Twinned Alloy 690." In The Minerals, Metals & Materials Series, 509–17. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-030-04639-2_32.

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Li, Hui, Xirong Liu, Kai Zhang, Wenqing Liu, and Shuang Xia. "Morphology Evolution of Grain Boundary Carbides Precipitated Near Triple Junctions in Highly Twinned Alloy 690." In The Minerals, Metals & Materials Series, 509–17. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-67244-1_32.

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Marcus, Pamela M. "Experimental Research Designs." In Assessment of Cancer Screening, 67–78. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94577-0_6.

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AbstractRandomized controlled trials (RCTs) are experimental in nature because the intervention is assigned at random rather than chosen by the study participant or study researcher. Most RCTs comprise two groups, referred to as trial arms. The intervention arm receives the cancer screening regimen that is under intervention, while the control arm receives no intervention or the current standard of care. The control arm is treated as the counterfactual experience of the intervention arm, which is the hypothetical experience that the intervention arm would have had if the intervention had not been administered. It is the counterfactual principle that allows the outcome to be fully and solely attributable to the intervention, as randomization greatly minimizes the possibility of confounding. In the context of cancer screening, confounding occurs when a third factor is related to both screening activity and cause-specific mortality. Individual-level, cluster-level, and pragmatic RCTs are discussed in detail. Examples of each are provided.
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Korobeinikov, Iurii, Humberto Chaves, and Olena Volkova. "Tailoring of Thermophysical Properties of New TRIP/TWIP Steel Alloys to Optimize Gas Atomization." In Austenitic TRIP/TWIP Steels and Steel-Zirconia Composites, 77–112. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42603-3_3.

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da Silva, Izael, Daniele Bricca, Andrea Micangeli, Davide Fioriti, and Paolo Cherubini. "Triple Helix as a Strategic Tool to Fast-Track Climate Change Adaptation in Rural Kenya: Case Study of Marsabit County." In African Handbook of Climate Change Adaptation, 1873–95. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_76.

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AbstractThe lack of affordable, clean, and reliable energy in Africa’s rural areas forces people to resort to poor quality energy source, which is detrimental to the people’s health and prevents the economic development of communities. Moreover, access to safe water and food security are concerns closely linked to health issues and children malnourishment. Recent climate change due to global warming has worsened the already critical situation.Electricity is well known to be an enabler of development as it allows the use of modern devices thus enabling the development of not only income-generating activities but also water pumping and food processing and conservation that can promote socioeconomic growth. However, all of this is difficult to achieve due to the lack of investors, local skills, awareness by the community, and often also government regulations.All the above mentioned barriers to the uptake of electricity in rural Kenya could be solved by the coordinated effort of government, private sector, and academia, also referred to as Triple Helix, in which each entity may partially take the other’s role. This chapter discretizes the above and shows how a specific county (Marsabit) has benefited from this triple intervention. Existing government policies and actions and programs led by nongovernmental organizations (NGOs) and international agencies are reviewed, highlighting the current interconnection and gaps in promoting integrated actions toward climate change adaptation and energy access.
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Hauser, Michael, Marco Wendler, Javad Mola, Olga Fabrichnaya, Olena Volkova, and Andreas Weiß. "Thermodynamic-Mechanical Modeling of Metastable High Alloy Austenitic CrMnNi Steels." In Austenitic TRIP/TWIP Steels and Steel-Zirconia Composites, 651–78. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42603-3_20.

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Huang, Qiuliang, Marco Wendler, Javad Mola, Andreas Weiß, Lutz Krüger, and Olena Volkova. "Design of High Alloy Austenitic CrMnNi Steels Exhibiting TRIP/TWIP Properties." In Austenitic TRIP/TWIP Steels and Steel-Zirconia Composites, 41–75. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42603-3_2.

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Hofer, Marvin, Sebastian Hellmann, Milan Dojchinovski, and Johannes Frey. "The New DBpedia Release Cycle: Increasing Agility and Efficiency in Knowledge Extraction Workflows." In Semantic Systems. In the Era of Knowledge Graphs, 1–18. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-59833-4_1.

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Abstract Since its inception in 2007, DBpedia has been constantly releasing open data in RDF, extracted from various Wikimedia projects using a complex software system called the DBpedia Information Extraction Framework (DIEF). For the past 12 years, the software received a plethora of extensions by the community, which positively affected the size and data quality. Due to the increase in size and complexity, the release process was facing huge delays (from 12 to 17 months cycle), thus impacting the agility of the development. In this paper, we describe the new DBpedia release cycle including our innovative release workflow, which allows development teams (in particular those who publish large, open data) to implement agile, cost-efficient processes and scale up productivity. The DBpedia release workflow has been re-engineered, its new primary focus is on productivity and agility, to address the challenges of size and complexity. At the same time, quality is assured by implementing a comprehensive testing methodology. We run an experimental evaluation and argue that the implemented measures increase agility and allow for cost-effective quality-control and debugging and thus achieve a higher level of maintainability. As a result, DBpedia now publishes regular (i.e. monthly) releases with over 21 billion triples with minimal publishing effort .
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Vankova, Zvezda. "Introduction." In IMISCOE Research Series, 1–20. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52689-4_1.

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AbstractThe policy idea of facilitating circular migration entered the European Union’s agenda more than a decade ago as part of a worldwide buzz among international organisations that it could provide a ‘triple win solution’ that would benefit all: the countries of origin and destination as well as the migrant workers themselves. According to the European Commission’s vision, this type of migration was to be facilitated in such a way as to allow some degree of legal mobility for migrants between two countries. Chapter 10.1007/978-3-030-52689-4_1 aims to introduce the understanding of this concept in the EU context and to set the scene for the book to unfold.
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Conference papers on the topic "Triple alloys"

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Meidani, Hossein, Michel Rappaz, and Alain Jacot. "Multiphase-Field Modeling of Micropore Formation in Metallic Alloys." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-66827.

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A multiphase-field model has been developed in order to study the evolution of micropores constrained to grow in a solid network, with a so-called pinching effect. The model accounts for the pressure difference due to capillarity between liquid and gas, the equilibrium condition at triple (solid-liquid-pore) lines, the partitioning and diffusion of dissolved gases such as hydrogen in aluminum alloys. The model is used to study the growth of a pore in a solid network, reconstructed from X-ray tomography observations. It was observed that such calculations can help to better understand the experimental observations, which have a limited temporal and spatial resolution. The predicted morphology is also compared with the experimental observation.
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Konh, Bardia. "Finite Element Studies of Triple Actuation of Shape Memory Alloy Wires for Surgical Tools." In 2018 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dmd2018-6857.

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Since the early discovery in 1951 [1], shape memory alloys (SMAs) have been used in design and development of several innovative engineering systems. SMAs’ unique characteristics have introduced unconventional alternatives in design and development of advanced devices. SMA’s field of applications has covered many areas from aerospace to auto industries, and medical devices [2]. During the past couple of decades, scientists have suggested material models to predict the SMA’s shape memory effect (SME) and its superelastic behavior. The superelastic characteristic of SMAs (its capability to exhibit a large recoverable strain) has been widely used to develop innovative products including biomedical implants such as stents, artificial heart valves, orthodontic wires, frames of indestructible spectacles, etc. However, its actuation capabilities, known as SME, hasn’t been thoroughly expanded. The number of products privileging from SMA’s SME behavior has been very limited. The reason relies on the SMA’s complex material properties that depend on the stress, strain and temperature at every stage of actuation as well as the material’s processing and the thermomechanical loading history.
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Oswald, R., K. Jansen, B. Johnson, F. Willing, J. Raquet, T. Kloss, J. Morris, et al. "Large-area, triple junction a-Si alloy production." In The 12th NREL photovoltaic program review. AIP, 1994. http://dx.doi.org/10.1063/1.45756.

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Barbezat, G., and K. Landes. "Plasma Technology TRIPLEX for the Deposition of Ceramic Coatings in the Industry." In ITSC 2000, edited by Christopher C. Berndt. ASM International, 2000. http://dx.doi.org/10.31399/asm.cp.itsc2000p0881.

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Abstract As a new plasma gun technology the TRIPLEX system has been introduced in the industrial field two years ago. The core of the TRIPLEX technology is a plasma gun with three cathodes and a long cascaded nozzle consisting of several insulated rings. Only the last ring with a relatively long distance to the cathode is operated as anode. Because of the equal and constant lengths of the three independent arcs, stretching from the three cathodes to the common anode, a stationary plasma jet is generated. Compared to conventional torches, the improved stability of the plasma jet allows a more uniform powder treatment and a higher deposition efficiency as well as the powder feed rate can be increased using a triple injection system. A significantly longer life time of the electrodes reduces the cost for quality control in the coating process. The characteristic properties of oxide ceramic coatings are improved in comparison with the coatings produced by conventional plasma torches. The results of two years industrial application of the innovative torch system TRIPLEX are presented in the paper.
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Deng, Xunming. "Study of triple-junction amorphous silicon alloy solar cells." In National center for photovoltaics (NCPV) 15th program review meeting. AIP, 1999. http://dx.doi.org/10.1063/1.57905.

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Lu, Guo-Quan, Xingsheng Liu, Sihua Wen, Jesus Noel Calata, and John G. Bai. "Strategies for Improving Reliability of Solder Joints on Power Semiconductor Devices." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41993.

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There has been a significant research effort on area-array flip-chip solder joint technology in order to reduce package footprint, enhance current handling capability, and improve heat dissipation. However, there is a lingering concern over cyclic fatigue of solder alloys by thermo-mechanical stresses arising from mismatched thermal expansion coefficients of expansion among the various components of the package. In this paper, some strategies taken to improve the reliability of solder joints on power devices in single-device and multi-chip packages are presented. A strategy for improving solder joint reliability by adjusting solder joint geometry, underfilling and utilization of flexible substrates is discussed with emphasis on triple-stacked solder joints that resemble the shape of an hourglass. The hourglass shape relocates the highest inelastic strain away from the weaker interface with the chip to the bulk region of the joint while the underfill provides a load transfer from the joints. Flexible substrates can deform to relieve thermo-mechanical stresses. Thermal cycling data show significant improvements in reliability when these techniques are used. The design, testing, and finite-element analyses of an interconnection structure, termed the Dimple-Array Interconnect (DAI), for improving the solder joint reliability is also presented. In the DAI structure, a solder is used to join arrays of dimples pre-formed on a metal sheet onto the bonding pads of a device. Finite-element thermo-mechanical analyses and thermal cycling data show that the dimple-array solder joints are more fatigue-resistant than the conventional barrel-shaped solder joints in flip-chip IC packages.
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Sato, Kazuhiko, Masao Aiga, and Mutsuyuki Otsubo. "Stability of amorphous silicon alloy triple-junction solar cells and modules." In AIP Conference Proceedings Volume 157. AIP, 1987. http://dx.doi.org/10.1063/1.36496.

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Desiderio, Mayane Freitas, Marcela Bonalumi Santos, André Mattar, Jorge Yoshinori Shida, and Luiz Henrique Gebrim. "PATHOLOGICAL COMPLETE RESPONSE IN 2,141 PATIENTS SUBMITTED TO NEOADJUVANT CHEMOTHERAPY IN A BREAST CANCER REFERENCE CENTER." In Scientifc papers of XXIII Brazilian Breast Congress - 2021. Mastology, 2021. http://dx.doi.org/10.29289/259453942021v31s1087.

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Introduction: The pathologic complete response (pCR) definition after neoadjuvant chemotherapy (NAC) for breast cancer is better defined as the absence of residual invasive cancer, although it allows the presence of ductal carcinoma in situ (DCIS). In the past, the presence of positive axillary lymph node was allowed; nowadays studies have shown that any positive lymph node should be not considered as pCR. In Brazil, the proportion of advanced cases varies between 30% to 55% of patients treated by the public health system (SUS). NAC has been recommended more frequently, especially for triple negative tumors and overexpressed Her 2 tumors because you can possibly change the adjuvant treatment, and it is an excellent predictor of prognosis. There is little data on pCR in the therapeutic regimens used in SUS. Objectives: Evaluate data on pathologic complete response in patients subjected to neoadjuvant chemotherapy in SUS schemes. Methods: We performed a retrospective study in Pérola Byington Hospital official database from January 2011 to December 2018 and 2,141 patients that underwent neoadjuvant chemotherapy (NAC) were included. Chemotherapy regimens varied during this period according to institutional protocols and availability of new drugs. The pCR was considered after a histopathological study of the surgical specimen in four molecular subtypes (luminal A and B, triple negative and HER -2 enriched). Results: We included 494 patients in Stage IIB and 1,645 patients in Stage III, most of them were luminal (1,077/50.3%), followed by triple negative (766/35,8%) and Her2 (298/13,9%). The pCR rate varied across the subtypes: luminal 78 (7.2%), triple negative 163 (21.3%) and Her2 69 (23.1%). Conclusions: NAC is an important treatment for breast cancer and is gradually obtainingmore indications. Most of the indications for NAC are: To allow surgical approaches (advanced cases); To allow / increase rate of conservative surgery; To allow conservative approach to the axila and recently select some cases for specific treatment (adjuvant TDM1 and capecitabine). The pCR rate varies through the studies: Cortazar et al. found 16% in Luminal; 33% in triple negative; 50% in Her2 when trastuzumab was used and 30,2% when it was not used. When platin is used for triple negative it is possible to achieve up to 50% of pCR. When double blockage for Her2 is used we can expect between 50%-70% in pCR. In our data most of our patients were stage III and we only had access to neoadjuvant trastuzumab after 2016; this directly impacted our results. The NAC protocols varied during this period and nowadays we have included platin compounds for triple negative.
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Ling, Julia, Erin Antono, Saurabh Bajaj, Sean Paradiso, Maxwell Hutchinson, Bryce Meredig, and Brenna M. Gibbons. "Machine Learning for Alloy Composition and Process Optimization." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75207.

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The drive for greater efficiency in turbomachinery has led to increasingly stringent specifications for the materials used. Current methods for optimizing alloy composition and processing to meet these requirements typically rely on a combination of expert judgment and trial and error. Machine learning offers an alternative approach that leverages data resources to significantly accelerate the optimization timeline through systematic data-informed decision making. In this paper, we demonstrate the effectiveness of machine learning methods for three different alloys classes: aluminum alloys, nickel-based superalloys, and shape memory alloys. In the first two alloy classes, models are built for the alloy mechanical properties based on the composition and processing information. In the case of shape memory alloys, a model is trained to predict the austenite to marten-site transformation temperatures. In addition to achieving high baseline performance, we leverage recent methodological developments to provide well-calibrated, heteroscedastic uncertainty estimates with each prediction. By wrapping these models in an inverse design routine that takes full advantage of uncertainty information, we are able to demonstrate the feasibility of designing new alloys to meet prescribed specifications. The results indicate that this approach has the potential to fundamentally change how new structural and functional alloys are developed.
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Cetel, Alan D., and Venkat Seetharaman. "Development of Directionally Solidified (PWA 1437) and Conventionally Cast (PWA 1432) Superalloys for Industrial Gas Turbine Engine Blade Applications." In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68882.

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Pratt & Whitney (P&W) has developed and deployed two new alloys derived from its highly successful and well-established single crystal IGT alloy, PWA 1483. These alloys include a directionally solidified (DS), columnar-grained alloy (PWA 1437) and a conventionally cast (CC) alloy (PWA 1432). This paper demonstrates that the newly developed alloys possess creep and oxidation resistance superior to currently available IGT alloys, while maintaining attractive levels of hot corrosion resistance. The development program included an optimization of the PWA 1483 composition, with particular regard to the grain boundary strengthening elements (B, C, Zr), to derive alloys which could be utilized in DS and conventionally cast forms. Appropriate heat treatment and hot isostatic pressing (HIP) cycles for the alloys were established. In order to generate a comprehensive engineering property database for blade design, a thorough characterization program covering a variety of service-critical mechanical properties, including creep, LCF, and HCF properties, was completed. Cyclic hot corrosion and burner rig oxidation tests were conducted at 1650°F and 2000°F, respectively, on overlay coated as well as uncoated specimens. Castability trials conducted within P&W, as well as at several commercial foundries demonstrated that the new alloys possessed excellent castability for large IGT applications. The paper presents a comparative evaluation of mechanical, and environmental properties of the newly developed alloys against current IGT alloys such as IN 738 and GTD 111™ [1,2]. The new alloys exhibit improvements greater than 1.4X in creep life and 2.5X in uncoated oxidation life over the most capable production IGT alloys. A large production experience base now exists on PWA 1437 and PWA 1432 alloys in a wide variety of frame engine blade applications.
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Reports on the topic "Triple alloys"

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Deng, X., S. J. Jones, T. Liu, and M. Izu. Development of high, stable-efficiency triple-junction a-Si alloy solar cells. Final technical report. Office of Scientific and Technical Information (OSTI), April 1998. http://dx.doi.org/10.2172/595611.

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Guha, S. High Efficiency Triple-Junction Amorphous Silicon Alloy Photovoltaic Technology, Final Technical Report, 6 March 1998 - 15 October 2001. Office of Scientific and Technical Information (OSTI), November 2001. http://dx.doi.org/10.2172/789084.

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Oswald, R., and J. Morris. Large-Area Triple-Junction a-Si Alloy Production Scaleup: Annual Subcontract Report, 17 March 1993 - 18 March 1994. Office of Scientific and Technical Information (OSTI), November 1994. http://dx.doi.org/10.2172/10194639.

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Guha, S. High-Efficiency Triple-Junction Amorphous Silicon Alloy Photovoltaic Technology; Annual Technical Progress Report, 6 March 1998--5 March 1999. Office of Scientific and Technical Information (OSTI), July 1999. http://dx.doi.org/10.2172/12162.

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Oswald, R., and J. Morris. Large-area, triple-junction a-Si alloy production scale-up. Semiannual subcontract report, 17 March 1994--18 September 1994. Office of Scientific and Technical Information (OSTI), September 1995. http://dx.doi.org/10.2172/100365.

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Oswald, R., and J. Morris. Large-area, triple-junction a-Si alloy production scale-up. Semiannual subcontract report, 17 March 1994--18 September 1994. Office of Scientific and Technical Information (OSTI), March 1995. http://dx.doi.org/10.2172/41329.

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Oswald, R., and J. O'Dowd. Large-Area Triple-Junction a-Si Alloy Production Scale Up: Annual Subcontract Report, 17 March 1992 - 18 March 1993. Office of Scientific and Technical Information (OSTI), January 1994. http://dx.doi.org/10.2172/10114998.

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Oswald, R., J. O'Dowd, W. Ashenfelter, L. F. Chen, M. C. Hainsworth, K. Jansen, B. Johnson, et al. Large-Area Triple-Junction a-Si Alloy Production Scale-Up: Semiannual Subcontract Report, 17 March 1993 - 18 September 1993. Office of Scientific and Technical Information (OSTI), March 1994. http://dx.doi.org/10.2172/10134923.

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Deng, X., M. Izu, S. J. Jones, and R. Kopf. Development of high, stable-efficiency triple-junction a-Si alloy solar cells. Annual technical progress report, October 1995--October 1996. Office of Scientific and Technical Information (OSTI), April 1997. http://dx.doi.org/10.2172/464192.

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Oswald, R., and J. O`Dowd. Large-area, triple-junction a-Si alloy production scale-up. Semiannual technical progress report, 17 March 1992--18 September 1992. Office of Scientific and Technical Information (OSTI), April 1993. http://dx.doi.org/10.2172/10147314.

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