Literatura académica sobre el tema "Density distortion"
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Artículos de revistas sobre el tema "Density distortion"
Wang, Q. C., Xiao Dong Hu, W. Li y Ju Long Yuan. "Numerical Simulation of Machining Distortion of Residually Stressed Aircraft Aluminum Components". Key Engineering Materials 315-316 (julio de 2006): 235–38. http://dx.doi.org/10.4028/www.scientific.net/kem.315-316.235.
Texto completoHarvey, Pierre D. y Christian Reber. "Article". Canadian Journal of Chemistry 77, n.º 1 (1 de enero de 1999): 16–23. http://dx.doi.org/10.1139/v98-212.
Texto completoWang, Kan y Meng Wang. "Aero-optics of subsonic turbulent boundary layers". Journal of Fluid Mechanics 696 (24 de febrero de 2012): 122–51. http://dx.doi.org/10.1017/jfm.2012.11.
Texto completoLuty, Tadeusz y John C. Raich. "Molecular to atomic transformation in solid iodine under high pressure". Canadian Journal of Chemistry 66, n.º 4 (1 de abril de 1988): 812–18. http://dx.doi.org/10.1139/v88-141.
Texto completoKaczmarek, Michał y Ernest Stano. "Magnetic Flux Density under Single Harmonic Distortion". Materials Science Forum 1034 (15 de junio de 2021): 151–57. http://dx.doi.org/10.4028/www.scientific.net/msf.1034.151.
Texto completoPark, Sang-Cheol, Hee-Seon Bang y Woo-Jae Seong. "Effects of Material Properties on Angular Distortion in Wire Arc Additive Manufacturing: Experimental and Computational Analyses". Materials 13, n.º 6 (19 de marzo de 2020): 1399. http://dx.doi.org/10.3390/ma13061399.
Texto completoHussein, Rageh K., Ibrahim I. Bashter, Mohamed El-Okr y Medhat Ahmed Ibrahim. "DFT Investigation of Structural and Electronic Properties of Modified PZT". Acta Chemica Iasi 27, n.º 1 (1 de junio de 2019): 15–30. http://dx.doi.org/10.2478/achi-2019-0002.
Texto completoBirkinshaw, Mark, Josie Rawes y Diana Worrall. "Extreme jet distortions in low-z radio galaxies". Proceedings of the International Astronomical Union 14, A30 (agosto de 2018): 61–65. http://dx.doi.org/10.1017/s1743921319003466.
Texto completoBakhtiyarov, Sayavur I. "Numerical Simulations and Experimental Study of Liquid Metal Flow Around Sand Core". Journal of Fluids Engineering 128, n.º 3 (25 de octubre de 2005): 541–47. http://dx.doi.org/10.1115/1.2175160.
Texto completoBak, Peter, Matthias Schaefer, Andreas Stoffel, Daniel A. Keim y Itzhak Omer. "Density Equalizing Distortion of Large Geographic Point Sets". Cartography and Geographic Information Science 36, n.º 3 (enero de 2009): 237–50. http://dx.doi.org/10.1559/152304009788988288.
Texto completoTesis sobre el tema "Density distortion"
VERDEROSA, ANTONELLA. "Density and Energy Distortion in an Oscillator Chain". Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2679565.
Texto completoBukvic, Gill [UNESP]. "Usinagem a verde voltada à melhoria da distorção e acabamento superficial de cerâmicas sinterizadas". Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/96482.
Texto completoCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
A usinagem de cerâmicas avançadas geralmente é feita com o objetivo de corrigir as deformações após a etapa de sinterização, conferir precisão dimensional e qualidade superficial. Para cumprir esta tarefa é utilizada, principalmente, a retificação com rebolo de diamante sob baixas taxas de remoção de material. O torneamento com ferramenta de diamante pode ser aplicado para a maioria das cerâmicas, mas esbarram em condições limites de remoção de material, como profundidade de corte nanamétricas, que se ultrapassadas mudam o regime de remoção de dúctil para frágil. Uma alternativa é a usinagem da peça no estado verde, a qual apresenta fácil usinagem com a diminuição da introdução de defeitos prejudiciais à resistência mecânica. Após a sinterização invariavelmente ocorrem distorções devido à distribuição heterogênea de gradientes de densidade que se localizam nas porções mais externas do compactado. Na tentativa de remover estes gradientes, o presente trabalho analisou a influência da remoção de sobrematerial no estado verde na distorção da peça após a sinterização. Corpos-de-prova de alumina, com 99,8% de pureza, foram torneados com sobremateriais de 1,0, 2,0 3,0, 4,0 e 5,0 mm por uma ferramenta de metal duro sob condições constantes de usinagem. Além da distorção, outras variáveis de saída foram analisadas, com desgaste de ferramenta, força de corte (Fc) e rugosidade média aritmética (Ra) do compactado em verde e sinterizado. Os resultados apontam uma redução da distorção da peça sinterizada de até 81,4% com o maior valor de remoção de sobrematerial em verde e a influência do desgaste da ferramenta na rugosidade da peça em verde e na correspondente peça sinterizada
Advanced ceramics machining is generally done with the objective of correcting distortions in pieces after sintering. In order to comply with this task grinding with a diamond grinding wheel is mainly used with low material removal rates. Turning can be done diamong tool to most of the ceramics, but is runs into very narrow material removal limit conditions, as nanometric cutting depths, which if exceeded change the removal system from ductile to brittle. An alternative is machining the piece on the green state, which presents easy machining without the introduction of harmful defects to mechanical resitance. However, after sintering there are invariably distortions caused by the heterogeneous distribution of density gradients that are located in the most outlying portions of the compacted. In an attempt to remove these gradients, this study examined the influence of different allowance values removed and the corresponding distortion after sintering. Alumina speciments are used for this procedure, with 99,8% purity, from which allowances of 1.0,2.0,3.0,4.0, 5.0 mm are removed by turning with a cermented carbine tool under constant machining conditions. Besides distortion, other output variables were analyzed, such as tool wear, cutting force and surface roughness of the green ceramics and the sintered. The results presents a reduction of the distortion of the sintered piece of 81,4% with the greater allowance removal values and the influence of tool wear on the green machining surface roughness and on the corresponding sintered piece
Ren, Zhensong. "Combined neutron, transport and material based investigation in Ca₃Ir₄Sn₁₃". Thesis, Boston College, 2015. http://hdl.handle.net/2345/bc-ir:104538.
Texto completoThis dissertation investigates the cubic type II superconductor, Ca₃Ir₄Sn₁₃, discovered by Remeika and the coauthors more than 30 years ago. It was originally discovered be to a superconductor and later suggested to host ferromagnetic spin fluctuations, which lead to a peak-like anomaly in thermodynamic and transport measurements. Later detailed x-ray single crystal structural refinement associated the peak-like anomaly in transport and magnetization measurements with a charge density wave phase transition at the same temperature. The potential charge density wave phase transition T* can be suppressed either by pressure or chemical potential through substitution on the Ca and Ir site such that a temperature-pressure/composition phase diagram can be constructed. Upon investigating magnetism in this compound, polarized neutron scattering and μSR data from our group and other researchers did not reveal any magnetic order or magnetic spin fluctuations at the time scale of μSR . However, through the partial substitution of Ir by Rh, we realized a structural quantum critical point at ambient pressure with 30% of Ir substituted by Rh--providing the research community a valuable material's platform for studying the interplay between 3D charge density wave order and superconductivity. On the other hand, our surprising discovery of the weak HHL (L=odd) type of super-lattice peaks from neutron scattering led us to a tentative model of a distorted Ca sublattice in this material. The similarity of the lattice instabilites of the Remeika compound and A15 superconductors are discussed, which may give us more insight into its role in the formation of the superconducting phase
Thesis (PhD) — Boston College, 2015
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Physics
Bukvic, Gill. "Usinagem a verde voltada à melhoria da distorção e acabamento superficial de cerâmicas sinterizadas /". Bauru : [s.n.], 2011. http://hdl.handle.net/11449/96482.
Texto completoBanca: Carlos Alberto Fortulan
Banca: Gilberto de Magalhães Bento Gonçalves
Resumo: A usinagem de cerâmicas avançadas geralmente é feita com o objetivo de corrigir as deformações após a etapa de sinterização, conferir precisão dimensional e qualidade superficial. Para cumprir esta tarefa é utilizada, principalmente, a retificação com rebolo de diamante sob baixas taxas de remoção de material. O torneamento com ferramenta de diamante pode ser aplicado para a maioria das cerâmicas, mas esbarram em condições limites de remoção de material, como profundidade de corte nanamétricas, que se ultrapassadas mudam o regime de remoção de dúctil para frágil. Uma alternativa é a usinagem da peça no estado verde, a qual apresenta fácil usinagem com a diminuição da introdução de defeitos prejudiciais à resistência mecânica. Após a sinterização invariavelmente ocorrem distorções devido à distribuição heterogênea de gradientes de densidade que se localizam nas porções mais externas do compactado. Na tentativa de remover estes gradientes, o presente trabalho analisou a influência da remoção de sobrematerial no estado verde na distorção da peça após a sinterização. Corpos-de-prova de alumina, com 99,8% de pureza, foram torneados com sobremateriais de 1,0, 2,0 3,0, 4,0 e 5,0 mm por uma ferramenta de metal duro sob condições constantes de usinagem. Além da distorção, outras variáveis de saída foram analisadas, com desgaste de ferramenta, força de corte (Fc) e rugosidade média aritmética (Ra) do compactado em verde e sinterizado. Os resultados apontam uma redução da distorção da peça sinterizada de até 81,4% com o maior valor de remoção de sobrematerial em verde e a influência do desgaste da ferramenta na rugosidade da peça em verde e na correspondente peça sinterizada
Abstract: Advanced ceramics machining is generally done with the objective of correcting distortions in pieces after sintering. In order to comply with this task grinding with a diamond grinding wheel is mainly used with low material removal rates. Turning can be done diamong tool to most of the ceramics, but is runs into very narrow material removal limit conditions, as nanometric cutting depths, which if exceeded change the removal system from ductile to brittle. An alternative is machining the piece on the green state, which presents easy machining without the introduction of harmful defects to mechanical resitance. However, after sintering there are invariably distortions caused by the heterogeneous distribution of density gradients that are located in the most outlying portions of the compacted. In an attempt to remove these gradients, this study examined the influence of different allowance values removed and the corresponding distortion after sintering. Alumina speciments are used for this procedure, with 99,8% purity, from which allowances of 1.0,2.0,3.0,4.0, 5.0 mm are removed by turning with a cermented carbine tool under constant machining conditions. Besides distortion, other output variables were analyzed, such as tool wear, cutting force and surface roughness of the green ceramics and the sintered. The results presents a reduction of the distortion of the sintered piece of 81,4% with the greater allowance removal values and the influence of tool wear on the green machining surface roughness and on the corresponding sintered piece
Mestre
Mohamed, Fathi Husain Alhadi. "Mitigation of Amplitude and Phase Distortion of Signals Under Modified Von Karman Turbulence Using Encrypted Chaos Waves". University of Dayton / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1467943201.
Texto completoRamer, Becky E. (Becky Ellen). "Aerodynamic response of turbomachinery blade rows to convecting density distortions". Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/49964.
Texto completoPadilha, Antonio Claudio Michejevs. "Aglomerados de pentaceno e nanotubos de carbono: um estudo MM/MQ (mecânica molecular/mecânica quântica)". Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-26042012-145354/.
Texto completoCarbon Nanotubes and conducting polymers are strong candidates for use in nanoscale electronic devices. Theoretical studies claimed that 1/3 of the nanotubes are metallic, while the others are semiconductors, but some groups have reported experimental measurements of a small electronic gap in tubes considered metallic. Prototype transistors made of nanotubes and organic conjugated molecules were proposed and it has been noticed that the coverage of the tubes by pentacene molecules made those trasistors less susceptible to impurity deposition, reducing the hysteresis in the characteristic I x V curve, while the formation of pentacene cristals was favored. In this work, we studied the electronic structure of the nanotubes (5,5) and (9,0) using DFT and noticed an electronic gap in those systems, as well as a deformation of their structures, similar to a Peierls distortion. The effect of the Hartree-Fock exchange included in the B3LYP functional was studied, as we varied its weight to obtain some properties of those systems. Later, we used molecular mechanics and classical molecular dynamics with the CVFF 950 force field and obtained structures compatible with pentacene crystals around the tubes, showing that the tubes in fact favor the formation of of these structures around them.
Kluender, Rafael. "Mesures en trois dimensions des distorsions cristallines par imagerie en diffraction de Bragg : application aux cristaux de glace". Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00635598.
Texto completoŠperbelis, Gediminas. "Rašalinio spausdintuvo spalvų gamos tyrimas". Master's thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20050621_092021-21158.
Texto completoKleprlík, Luděk. "Vlastnosti slabě diferencovatelných funkcí a zobrazení". Doctoral thesis, 2014. http://www.nusl.cz/ntk/nusl-342351.
Texto completoLibros sobre el tema "Density distortion"
Yan, Charles Xiao Bo. Correction of gradient distortion for low frequency current density imaging. 2006.
Buscar texto completoRakhit, A. K. Heat Treatment of Gears. ASM International, 2000. http://dx.doi.org/10.31399/asm.tb.htgpge.9781627083478.
Texto completoLaunay, Jean-Pierre y Michel Verdaguer. Basic concepts. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198814597.003.0001.
Texto completoLevesque, Paul H. y Laura Sheiman. One-View Asymmetry. Editado por Christoph I. Lee, Constance D. Lehman y Lawrence W. Bassett. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190270261.003.0013.
Texto completoPrince, Erin L. y Heidi R. Umphrey. Multiple Irregular Masses. Editado por Christoph I. Lee, Constance D. Lehman y Lawrence W. Bassett. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190270261.003.0026.
Texto completoCapítulos de libros sobre el tema "Density distortion"
Yu, Mujian, Junwei Luo, Bozhi Xu, Guoliang Chen y Wei Lu. "Halftone Image Steganography Based on Minimizing Distortion with Pixel Density Transition". En Lecture Notes in Computer Science, 424–36. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78612-0_34.
Texto completoAng, Zoey Z. Y., Rob Heard, Mohammad A. Rawashdeh, Patrick C. Brennan, Warwick Lee y Sarah J. Lewis. "Breast Asymmetry, Distortion and Density Are Key Factors for False Positive Decisions". En Breast Imaging, 307–15. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41546-8_39.
Texto completoArdestani, Masoud y Hamid Reza Izadfar. "Reduction of Air-Gap Flux Density Distortion for a 20 kW HTS Induction Motor". En Technological Innovation for Digitalization and Virtualization, 167–83. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-07520-9_16.
Texto completoZlatar, Matija, Jean-Pierre Brog, Alain Tschannen, Maja Gruden-Pavlović y Claude Daul. "Density Functional Theory Study of the Multimode Jahn-Teller Effect – Ground State Distortion of Benzene Cation". En Vibronic Interactions and the Jahn-Teller Effect, 25–38. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2384-9_2.
Texto completoHarischandra, Najini, Nihal Kodikara, K. D. Sandaruwan, G. K. A. Dias y Maheshya Weerasinghe. "Real-Time Simulation of Aero-optical Distortions Due to Air Density Fluctuations at Supersonic Speed". En Neural Information Processing, 653–62. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-26555-1_74.
Texto completoKing, R. B., I. Silaghi-Dumitrescu y A. Kun. "A Density Functional Theory Study of Distortions from Octahedral Symmetry in Hypoelectronic Six-Vertex Polyhedral Clusters of the Group 13 Elements Boron, Indium, and Thallium". En ACS Symposium Series, 208–25. Washington, DC: American Chemical Society, 2002. http://dx.doi.org/10.1021/bk-2002-0822.ch015.
Texto completoAbdelouahad, Abdelkaher Ait, Mohammed El Hassouni, Hocine Cherifi y Driss Aboutajdine. "A New Image Distortion Measure Based on Natural Scene Statistics Modeling". En Geographic Information Systems, 616–30. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2038-4.ch037.
Texto completo"Crystalline Imperfections—Problems and Solutions". En Crystalline Imperfections: Key Topics in Materials Science and Engineering, 13–33. ASM International, 2021. http://dx.doi.org/10.31399/asm.tb.ciktmse.t56020013.
Texto completo"Mechanical Behavior of High-Entropy Alloys—Questions and Answers". En Mechanical Behavior of High-Entropy Alloys: Key Topics in Materials Science and Engineering, 21–47. ASM International, 2022. http://dx.doi.org/10.31399/asm.tb.mbheaktmse.t56030021.
Texto completoSaha, Santanu. "Non-Destructive Evaluation of Residual Stresses in Welding". En Engineering Principles - Welding and Residual Stresses. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.101638.
Texto completoActas de conferencias sobre el tema "Density distortion"
Goebel, Dan M. "Pulse shortening and distortion in BWO and TWT microwave tubes". En High energy density microwaves. AIP, 1999. http://dx.doi.org/10.1063/1.59016.
Texto completoYan, Charles X. B., Tim P. DeMonte y Michael L. G. Joy. "Gradient Distortion Correction for Low Frequency Current Density Imaging". En Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2006. http://dx.doi.org/10.1109/iembs.2006.260787.
Texto completoYan, Charles X. B., Tim P. DeMonte y Michael L. G. Joy. "Gradient Distortion Correction for Low Frequency Current Density Imaging". En Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2006. http://dx.doi.org/10.1109/iembs.2006.4397384.
Texto completoWu, Jingxian y Ning Sun. "Optimal Sensor Density in a Distortion-Tolerant Linear Wireless Sensor Network". En GLOBECOM 2010 - 2010 IEEE Global Communications Conference. IEEE, 2010. http://dx.doi.org/10.1109/glocom.2010.5683531.
Texto completoBrandt, Erika, Frank Zimmerer, Bistra Andreeva y Bernd Möbius. "Mel-Cepstral Distortion of German Vowels in Different Information Density Contexts". En Interspeech 2017. ISCA: ISCA, 2017. http://dx.doi.org/10.21437/interspeech.2017-838.
Texto completoJOPSON, R. M., T. E. DARCIE y K. GAYLIARD. "Observation of carrier-density mediated intermodulation distortion in an optical amplifier". En Optical Fiber Communication Conference. Washington, D.C.: OSA, 1988. http://dx.doi.org/10.1364/ofc.1988.wn4.
Texto completoNejdl, Jaroslav y Michaela Kozlová. "Plasma density-gradient measurement using x-ray laser wave-front distortion". En SPIE Optical Engineering + Applications, editado por James Dunn y Gregory J. Tallents. SPIE, 2009. http://dx.doi.org/10.1117/12.837015.
Texto completoZhang, Qiaolin, Kameshwar Poolla y Costas J. Spanos. "Modeling of mask thermal distortion and its dependency on pattern density". En Photomask and Next Generation Lithography Mask Technology XII, editado por Masanori Komuro. SPIE, 2005. http://dx.doi.org/10.1117/12.617442.
Texto completoKovacevic, Svjetlana, Tatjana Pesic-Brdanin y Jovan Galic. "Intermodulation distortion of class D audio amplifier using pulse density modulation". En 2016 Zooming Innovation in Consumer Electronics International Conference (ZINC). IEEE, 2016. http://dx.doi.org/10.1109/zinc.2016.7513652.
Texto completoSchappert, G. T., D. E. Casperson, J. A. Cobble, L. A. Jones, G. A. Kyrala, P. H. Y. Lee, T. D. Nichols, A. J. Taylor y C. R. Tallman. "Ultra-high Intensity Lasers and Experiments at Los Alamos". En High-Energy Density Physics with Subpicosecond Laser Pulses. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/hpslp.1989.t5.
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