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Thematische Bibliographien / Bending testing / Dissertationen

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Dissertationen zum Thema „Bending testing“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Totty, Jennifer L. "Linear cellular copper in bending, compression and shear." Thesis, Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/16913.

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2

Shelton, Christopher Francis. "The mechano-sorptive creep of wood in bending." Thesis, London South Bank University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329808.

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3

Heatwole, Edwin L. "Allowable bending strength enhancement of 2 by 4 lumber by tension and compression proofloading." Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/53718.

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Research has established that correlations exist between bending and tension, and bending and compression strength of lumber. Because of this correlation, improvement in bending strength may be realized from proofloading in tension or compression. The data utilized in a reliability analysis was from Galligan et al. (1986) that characterized the properties of 2-inch softwood dimension lumber with regressions and probability distributions. Randomly selected groups of 2 by 4 1650f-1.5E Hem-fir and No.2 KD Southern Pine were evaluated for bending strength. One group from each species was selected

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4

Svensson, Meulmann Sebastian, and Egzon Latifi. "Modelling and testing of CLT panels for evaluation of stiffness." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-104766.

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The use of timber in building structures is steadily increasing. cross laminated timber (CLT) is an engineered wood product made of an uneven number of layers of lamellas glued at an angle of 90 degrees to each other. This gives CLT high stiffness and strength to bending in all directions, and capability of taking load both in-plane and out-of-plane. Due to the large size of CLT elements, they allow for quick assembly of strong structures. Due to both economic and environmental reasons it is important for producers of CLT to optimize the use of the wood material by using the timber with higher

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5

Olofsson, Kenneth. "Non destructive testing of paper products and tubes using transient bending waves." Licentiate thesis, Luleå tekniska universitet, 1992. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17165.

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6

Maguire, Marcus J. "Transverse and Longitudinal Bending of Segmental Concrete Box Girder Bridges." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/23670.

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Post-tensioned segmental concrete box girders have been in use in the United States since the early 1970s. This unique bridge system uses post-tensioning to connect many smaller concrete bridge segments into very efficient long span bridges. However, because of the slender components, localized transverse bending becomes more critical when compared to more conventional bridge types. Bridge owners are finding that ratings for standard loads and permit trucks are often controlled by the transverse behavior of the girders near concentrated wheel loads. The popular analysis methods used today rang

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7

Fagergren, Fred Stile. "Using Non-Destructive Testing to Predict Bending Modulus of Carbon Infiltrated-Carbon Nanotubes." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/8817.

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Fabrication of carbon inﬁltrated carbon nanotubes (CI-CNT) can result in large mechanical property variation, and methods to characterize properties usually involve destructive testing. Finding a non-destructive way to test for stiffness of this material reduces the number of parts that have to be made. It also simpliﬁes testing of complex parts. The stiffness of CI-CNT beams is related to the type of carbon material inﬁltrated between the carbon nanotubes (CNTs), how it interacts with the CNTs, and how much of it there is. The amount of material can be estimated using the density of the beam,

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8

Cornwell, Matthew Allen. "Determination of the bending stiffness of copy paper and its dependence on temperature and moisture using laser ultrasonic lamb waves." Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/19636.

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9

Dorchin, Hizkiyahu. "Thermal effect on the bending properties of orthodontic bonding materials." Thesis, The University of Sydney, 1996. http://hdl.handle.net/2123/4913.

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10

Bing, Julie Ann. "Pediatric Lower Extremities: Potential Risks and Testing Concepts." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1313515676.

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11

Gex, Dominique. "Ultrasonic NDE testing of a gradient enhanced piezoelectric actuator (GEPAC) undergoing low frequency bending excitation." Thesis, Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-04062004-171807/unrestricted/gex%5Fdominique%5Fc%5F200405%5Fmast.pdf.

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Thesis (M.S.)--Mechanical Engineering, Georgia Institute of Technology, 2004.<br>Berthelot, Committee Chair; Lynch, Committee Member; Jacobs, Committee Member. Includes bibliographical references (leaves 111-113).

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12

Moussiaux, Eric. "Bending of a bonded beam as a test method for adhesive properties." Thesis, Virginia Tech, 1987. http://hdl.handle.net/10919/45759.

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A strength of materials type solution is obtained for the shear stress state in the adhesive layer of a bonded cantilever beam subjected to an end load. The shear stress is constant through the thickness of the adhesive layer and varies from zero at the fixed end to a maximum value at the free end. This maximum value can, under certain conditions, be calculated from knowledge of the load and the beam geometry only. The adhesive's shear modulus can then be determined from a measurement of the shear strain in the adhesive layer. An expression for the beam deflection is also obtained. It conta

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13

Wallace, Robert James. "Effect of strain rate and bone quality on the bending behaviour of whole bone." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/9499.

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Forty ovine femurs were harvested and allocated into four testing groups; Fast-Normal, Fast- Decalcified, Slow-Normal, Slow-Decalcified. Contralateral pairings were used within these groups for closer comparison. Dynamic testing apparatus was designed and built allowing rates of strain similar to road traffic accidents to be investigated. These strain rates were achieved by using a pneumatic actuator to apply the load. Slow rate loading was achieved by testing with a commercially available mechanical testing machine at a rate of strain similar to that created by walking. Bone quality was alter

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14

King, Carin Palmer. "Methods development of multimodal loading under bending, compression and torsion for bench-top testing of cardiovascular stents." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/83723.

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Thesis (S.B.)--Massachusetts Institute of Technology, Department of Mechanical Engineering, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (page 30).<br>This thesis describes a method for setting up, testing and analyzing cardiovascular stents in multiple deformation modes. Testing stents in multiple deformation modes, including bending, torsion and compression simultaneously is a novel technique. Specific details are provided on strategies for inserting a stent sample into the testing apparatus such that stent integrity is preserved. Using a dynamic feed

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15

Craig, Bruce A. "Comparison of creep/duration of load performance in bending of Parallam® parallel strand lumber to machine stress rated lumber." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26194.

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A comparison of the creep/duration of load (DOL) performance of a new structural wood composite material called Parallam® parallel strand lumber (PSL) to two grades of machine-stress-rated (HSR) Douglas-fir lumber is presented in this thesis. Evaluation of the creep/DOL performance was made on nominal 2x4 members under constant bending stress at three stress levels. A total of 306 test specimens were evaluated for a 15-1/2 month time period. The analysis suggests that the duration of load effect for Parallam PSL was consistent with the Madison curve for the time period studied while the MSR D

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16

Areir, Milad. "Development of 3D printed flexible supercapacitors : design, manufacturing, and testing." Thesis, Brunel University, 2018. http://bura.brunel.ac.uk/handle/2438/16659.

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The development of energy storage devices has represented a significant technological challenge for the past few years. Electrochemical double-layer capacitors (EDLCs), also named as supercapacitors, are a likely competitor for alternative energy storage because of their low-cost, high power density, and high fast charge/discharge rate. The recent development of EDLCs requires them to be lightweight and flexible. There are many fabrication techniques used to manufacture flexible EDLCs, and these methods can include pre-treatment to ensure more efficient penetration of activated carbon (AC) pat

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Poggi, Francesco. "Bending properties of commercial wood-based panels by NDT methods." Thesis, Linnéuniversitetet, Institutionen för skog och träteknik (SOT), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-66162.

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This thesis work focuses mainly on the application of non-destructive testing (NDT) methods on wood-based panels (WBP) in order to estimate the bending properties. To prove the accuracy and applicability of these methods on WBP, their results are correlated with results from a standardized static bending test. The behavior in different climate conditions and the application on panels of larger sizes is also questioned to provide an indication about strong points and boundaries of NDT methods applied on WBP.The bending properties are of major importance, especially for materials suited to bear

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Thorne, Robert. "Mechanical Response Tissue Analysis: Inter- and Intra-trial Reliability in Assessing Bending Stiffness of the Human Tibia in College Aged Women." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/35568.

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Mechanical Response Tissue Analysis (MRTA) is an emerging technology for assessing maximal bending stiffness (EI) of human long bones in vivo. The MRTA variable, EI, is the product of Young's modulus of elasticity (E) and cross-sectional moment of inertia (I). EI quantifies material and architectural/geometric properties of bone. Published human research using MRTA to measure EI has been limited to the ulna; however, the tibia requires further investigation due to its central involvement in many human activities and exercise-related clinical problems, e.g. stress fracture of the lower leg. To

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Rodomsky, Caitlyn Marie. "Surface Finish on A356-T6 Cast Parts using Additive Manufactured Sand Molds." Youngstown State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1526030093287334.

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20

Robertson, Galen Charles. "Quantification of Skeletal Phenotype Using Micro-CT and Mechanical Testing." Thesis, Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4874.

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With the vast array of genetically altered (knockout) mice becoming available there is a need for quantitative, repeatable, and efficient methodologies to characterize the phenotypic consequences of knocking out specific genes. Since knockout animals often have the ability to compensate for a single missing gene, it is important to examine the structural, material and morphological properties to obtain a thorough understanding of the changes occurring. For this project, femurs of knockout mice were first scanned using microcomputed tomography (micro-CT) to obtain high-resolution images of th

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Sim, Lay M. "Design, manufacturing and testing of smart beams with EFPI strain sensor for damage detection." Thesis, Loughborough University, 2003. https://dspace.lboro.ac.uk/2134/13207.

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This thesis aimed at the development of a fibre optic strain sensor-based damage detection and evaluation system (FODDAS) based on the composite beams. EFPI strain sensors were used with their integrity being assessed. Their performance, either bonded on the surfaces or embedded was examined extensively. They were shown to be adequate and reliable for strain measurements. Through-the-width damages were simulated by artificially-embedded delaminations, which were located at several through-the-thickness locations, each with two different sizes. The overall design considerations were guided by p

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22

Drivas, Thanos. "Manufacturing Three-dimensional Carbon-fibre Preforms for Aerospace Composites." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31577.

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Carbon fibre reinforced polymer matrix composites (CF PMCs) are increasingly used in state-of-the-art aerospace applications. Aerospace manufacturers favour components made of CF PMCs over those made of traditional metallic alloys because of their light weight and corrosion resistance, which lead to significant improvements in fuel consump- tion, increased payload capability, and reduced maintenance and inspection costs. How- ever, manufacturing of CF PMC components is performed differently than traditional material in all stages – design, prototyping and production – and therefore, many com-

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23

Abdullah, A. B. M. "Development of a Closed-loop Resonant Fatigue Testing Methodology and Experimental Life Test of Aluminum Alloy." University of Akron / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=akron1289328504.

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24

Hausfeld, Gabrielle Christine. "Comparison of Cortical Porosity, Diameter, and Stiffness as Predictors of Ulna Bending Strength." Ohio University Honors Tutorial College / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1429886070.

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25

Arnold, Patricia A. "Validation of Mechanical Response Tissue Analysis by Three-Point Mechanical Bending of Artificial Human Ulnas." Ohio University Honors Tutorial College / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1366983271.

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26

Derrick, Nathan Lynn. "Shear and Bending Strength of Cold-Formed Steel Solid Wall Panels Using Corrugated Steel Sheets for Mobile Shelters." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc1062814/.

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The objective of this thesis is to determine if the single sided resistance spot weld (RSW) can be used as a feasible connection method for cold formed steel (CFS) shear walls subject to lateral force of either seismic or wind loads on mobile shelters. The research consisted of three phases which include: a design as a 3D BIM model, connection tests of the resistance spot weld, and full-scale testing of the designed solid wall panels. The shear wall testing was conducted on specimens with both resistance spot weld and self-drilling screws and the results from tests gave a direct comparison of

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27

Režnáková, Ema. "Příprava a charakterizace lehčených polymerních materiálů s hierarchickou celulární strukturou." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2020. http://www.nusl.cz/ntk/nusl-414127.

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The asymmetrical arrangement of cellular structure allows for an accurate functional adaptation at all levels of hierarchy, which derives excellent features for the development of new materials. The main objective of introducing a hierarchy into cellular structures is to improve the mechanical behaviour of the material while maintaining its elastic properties. A part of this work is devoted to the literature review related to the lightened cellular polymeric materials with hierarchical cellular structure. The rest is focused on the preparation of PLA based polymer structures using 3D printing,

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Béjar, Luis Miguel. "CORROSION-FATIGUE TESTING ON STEEL GRADES WITH DIFFERENT HEAT AND SURFACE TREATMENTS USED IN ROCK-DRILLING APPLICATIONS." Thesis, KTH, Materialvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-194524.

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Corrosion fatigue is a common failure mechanism in rock drilling components and many othermechanical parts subjected to cyclic loads in corrosive environments. A crucial part in the design ofsuch components resides in the selection of the right materials for the application, which ideallyinvolves testing and comparison of their performance under working conditions. The present work was performed with the purpose of designing a corrosion-fatigue testing methodthat would allow the designer to compare the performance of different materials exposed to corrosionfatigue, permitting also the comparis

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Lantz, Josephine. "Mechanical Properties of Calcium Phosphate and Additively Manufactured Titanium Alloy for Composite Spinal Implants." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-296636.

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One of the major health problems in western societies is back pain, with a prevalence rate of 49%–80%. In many cases, the back pain is due to degenerated discs. The gold standard to treat a severely degenerated disc is spinal fusion, where the vertebral disc is replaced with a cage structure. However, fusion cages have a failure rate of 30%, hence the need for further development. The focus of this thesis is to evaluate the combination of calcium phosphate cement with titanium, for a spinal application. Mechanical tests in the form of tensile, compression and 4-point-bending were performed to

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Běloch, Martin. "Optimalizace předúpravy povrchu oceli a hliníkové slitiny pro následnou aplikaci práškové barvy." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-444543.

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This diploma thesis deals with various procedures of surface pretreatment of steel and aluminum alloy for subsequent application of powder coating substance. The work begins with an overview of the general characteristics of the materials used. The core part of the work is then a summary of the individual methods of pretreatment that can be used to modify the material surface. A special chapter is devoted to methodologies for the application of powder substances. Before separate application, the sample must first be carefully pretreated to ensure removal of organic compounds (e.g. oils from pr

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Pais, Luís Carlos da Rocha Carneiro. "Recuperação de máquina universal de ensaios para uma nova especialização em testes de fadiga." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/17001.

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Mestrado em Engenharia Mecânica<br>Atualmente, o estudo do comportamento à fadiga dos materiais tem um importante papel no mundo da engenharia. O Departamento de Engenharia Mecânica da Universidade de Aveiro recebeu recentemente uma máquina universal de ensaios que estava inoperacional. O objetivo deste trabalho foi recuperar e adaptar a máquina à realização de ensaios de fadiga. Inicialmente, procedeu-se a uma revisão do estado do conhecimento relativamente aos tipos de carregamentos cíclicos e aos componentes e dispositivos usados nas máquinas de fadiga. Posteriormente, avaliou-se o e

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Leite, Pinto Rodrigo. "Caractérisation physique et thermo-mécanique et analyse de fiabilité des fibres optiques à base de silice." Thesis, Rennes 1, 2019. http://www.theses.fr/2019REN1S125.

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Les fibres optiques sont de plus en plus utilisées aujourd’hui dans des installations dédiées aux réseaux de télécommunications. Un coût de production bas, faible atténuation (en db/km) et qualité de signal exceptionnel font des fibres optiques une solution privilégiée aujourd’hui pour les fournisseurs d’accès internet. Une fois installées, les fibres optiques peuvent être soumises à des contraintes mécaniques, thermiques et chimiques qui affectent leur intégrité structurelle et qui réduisent leur durée de vie. Cette thèse a été effectuée dans le cadre d’une convention CIFRE et est focalisée s

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Müller, Christoph. "Untersuchung von Holzwerkstoffen unter Schlagbelastung zur Beurteilung der Werkstoffeignung für den Maschinenbau." Doctoral thesis, Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-184057.

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In der vorliegenden Arbeit werden Holzwerkstoffe im statischen Biegeversuch und im Schlagbiegeversuch vergleichend geprüft. Ausgewählte Holzwerkstoffe werden thermisch geschädigt, zudem wird eine relevante Kerbgeometrie geprüft. Ziel der Untersuchungen ist die Eignung verschiedenartiger Werkstoffe für den Einsatz in sicherheitsrelevanten Anwendungen mit Schlagbelastungen zu prüfen. Hierzu werden zunächst die Grundlagen der instrumentierten Schlagprüfung und der Holzwerkstoffe erarbeitet. Der Stand der Technik wird dargelegt und bereits durchgeführte Studien werden analysiert. Darauf aufbauend

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Ornek, Cem. "Performance characterisation of duplex stainless steel in nuclear waste storage environment." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/performance-characterisation-of-duplex-stainless-steel-in-nuclear-waste-storage-environment(4db73e9b-c87c-40a6-9778-0b823b1c499f).html.

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The majority of UK’s intermediate level radioactive waste is currently stored in 316L and 304L austenitic stainless steel containers in interim storage facilities for permanent disposal until a geological disposal facility has become available. The structural integrity of stainless steel canisters is required to persevere against environmental degradation for up to 500 years to assure a safe storage and disposal scheme. Hitherto existing severe localised corrosion observances on real waste storage containers after 10 years of exposure to an ambient atmosphere in an in-land warehouse in Culham

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Datsiou, Kyriaki Corinna. "Design and performance of cold bent glass." Thesis, University of Cambridge, 2017. https://www.repository.cam.ac.uk/handle/1810/269408.

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The demand for flat glass is high and increasing significantly in the building industry as a direct result of architectural requirements for lightness, transparency and natural light. Current architectural trends require glass in curvilinear forms for smooth free-form façades. Two principal challenges arise from this: to cost-effectively produce the desired curvature and; to ensure its safe performance after exposure to ageing. The recent availability of high strength glass provides an opportunity to address the first challenge by developing cold bent glass. Cold bending involves the strainin

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GALDINO, JÚNIOR Francisco. "Desenvolvimento de uma máquina de impacto por queda de peso para materiais compósitos." Universidade Federal de Campina Grande, 2014. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/491.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-04-25T15:51:00Z No. of bitstreams: 1 FRANCISCO GALDINO JÚNIOR - DISSERTAÇÃO PPGEM 2014..pdf: 6213176 bytes, checksum: 50d50ccb2736f335fb4e52475cb149f7 (MD5)<br>Made available in DSpace on 2018-04-25T15:51:00Z (GMT). No. of bitstreams: 1 FRANCISCO GALDINO JÚNIOR - DISSERTAÇÃO PPGEM 2014..pdf: 6213176 bytes, checksum: 50d50ccb2736f335fb4e52475cb149f7 (MD5) Previous issue date: 2014-08-28<br>O crescente desenvolvimento de materiais compósitos reforçados nos últimos anos tem propiciado novas alternativas para solucionar diverso

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Liu, Pang-Ping, and 劉邦平. "Bending and Fatigue Testing of Bulk Si Micro-Cantilever Beams." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/85939282603758335087.

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碩士<br>逢甲大學<br>機械工程學所<br>92<br>This thesis is aimed at studying flexural strength and fatigue life of single crystal silicon micro-cantilever beams. The bulk micro- machining technique is applied to fabricate the micro-cantilever beam on a silicon wafer. A MTS micro-force testing machine Tytron 250 with a probe is used to load on the beams. In the flexural test, flexural strength and failure strain decrease as the length (400-700�慆) of the beam increases, but increase with thickness (50-60�慆) of the beam. Maximum displacement increases with length but decreases with thickness. The beam with len

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Heukelman, B. J., and Brandon Jay Heukelman. "Alternating torsion and bending moment testing of a vehicle rim." Thesis, 2020. https://hdl.handle.net/10539/31229.

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A dissertation submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, in partial fulfillment of the requirements for the degree of Masters of Science in Engineering, 2020<br>The automotive wheel is a fundamental vehicle component connecting the chassis to the road. Understanding the loading mechanism which leads to fatigue failure of a wheel is necessary to design light, safe wheels. This work characterised the strain along the length of spoke for various orientations with respect to the loading direction. Three wheel designs were tested according

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Santa, Maria Raul Hernan. "Behavior of hollow, rectangular concrete piers subjected to biaxial bending." Thesis, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3055241.

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Yap, Sze-Ting. "Evaluation of proposed methods to determine fracture parameters for concrete in bending." 1986. http://hdl.handle.net/2097/22185.

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Wang, Leo, and 王聰榮. "Design and Testing of Measurement Device for Circular Tube Under Pure Bending." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/31115229717813541868.

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42

Pereira, da Silva Carlos Manuel Baptista. "Design and testing of an active aircraft wing spar with bending-torsion coupling." Thesis, 2007. http://hdl.handle.net/1828/2228.

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An experimental investigation on active aeroelastic aircraft structures with bending-torsion coupling properties is presented. Two techniques for vibration and flutter alleviation are studied and tested. The passive approach is based on the use of carbon composite spars with misaligned fibres. The second technique involves an active spar with a multi-cross section embedded with PZT actuators. A wing was designed and manufactured for testing in a wind tunnel and subsequently implemented on a demonstrator platform for flight testing. Results show that a carefully designed misalignment of the fi

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Jalali, Syed Idrees Afzal. "Evaluation of Power-Law Creep in Bending." Thesis, 2020. https://etd.iisc.ac.in/handle/2005/4547.

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Materials for engineering components operating at high temperatures during their service like rockets, aero-turbines, automobile engines, nuclear power plants, steam power plants and micro-electronics are often designed for creep resistance. Creep studies for such systems are performed either as a material selection routine or for investigating the residual-life, integrity and reliability of the components. Conventionally, uniaxial tests, which are the most reliable creep testing method, are adopted to study the dominant creep mechanism of materials systems at a particular stress and temperatu

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Ren, Q.-X., L.-H. Han, Dennis Lam, and W. Li. "Tests on elliptical concrete filled steel tubular (CFST) beams and columns." 2014. http://hdl.handle.net/10454/10304.

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No<br>This paper presents a series of test results of elliptical concrete filled steel tubular (CFST) beams and columns to explore their performance under bending and compression. A total of twenty-six specimens were tested, including eight beams under pure bending and eighteen columns under the combination of bending and compression. The main parameters were the shear span to depth ratio for beams, the slenderness ratio and the load eccentricity for columns. The test results showed that the CFST beams and columns with elliptical sections behaved in ductile manners and were similar to the CFST

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Wright, Thomas J. (Thomas John). "Sensitivity of Hashin damage parameters for notched composite panels in tension and out-of-plane bending." Thesis, 2012. http://hdl.handle.net/1957/35802.

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When using Finite Element Analysis (FEA) to model notched composite panels, the values of certain material properties can have a great effect on the outcome of the simulation. Progressive damage modeling is used to model how a composite structure will fail, and how that failure will affect the response of the structure. Many different progressive damage models exist, but the formulation known as Hashin damage is used to model failure in tension and out-of-plane bending in this study. This model has ten different material properties that are used to define the damage response of the material. E

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hsu, hsiang-chin, and 徐祥進. "Strength Analysis of Ultra-Thin Wafers by Three-Point Bending Test and Thin Wafer Probe Testing Method with Temperature Effect." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/33759417392956658046.

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碩士<br>國立中正大學<br>機械工程所<br>98<br>Light weight, small size, low voltage, and low cost are the mainly request of high performance IC product; on the other hand, it also means the spacing for IC system is very limited. Therefore newly development of 3D Stacked-Die Packaging (SDP) is the current important direction for advance packaging technique. SDP need to be supported with thin wafers so that the stacking dies could maintime the spacing limitation. However one failure die could cause whole packaging failure that could lead to lower the yield rate and increasing the manufacturing cost. Currently,

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Mikulak, James Kevin. "Size effects in out-of-plane bending in elastic honeycombs fabricated using additive manufacturing : modeling and experimental results." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-12-4565.

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Size effects in out-of-plane bending stiffness of honeycomb cellular materials were studied using analytical mechanics of solids modeling, fabrication of samples and mechanical testing. Analysis predicts a positive size-effect relative to continuum model predictions in the flexure stiffness of a honeycombed beam loaded in out-of-plane bending. A method of determining the magnitude of that effect for several different methods of constructing or assembling square-celled and hexagonal-celled materials, using both single-walled and doubled-walled construction methods is presented. Hexagonal and

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(12271431), Rex Glencross-Grant. "In-grade testing of Norfolk Island pine (Araucaria heterophylla) to enable characterisation of the timber." Thesis, 2022. https://figshare.com/articles/thesis/In-grade_testing_of_Norfolk_Island_pine_Araucaria_heterophylla_to_enable_characterisation_of_the_timber/19395128.

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<div>This report deals with an investigation into the structural properties of the timber species, Norfolk Island pine (Araucaria heterophylla) to enable characterisation of the timber. The various structural properties (bending stress, shear stress, compressive stress, tensile stress and Modulus of Elasticity) are determined by full-scale (in -grade) testing procedures.</div><div><br></div><div>Full-size specimens were tested at the University of Central Queensland in Rockhampton and NSW State Forests Research facility at Pennant Hills in Sydney.</div><div><br></div><div>The timber is being u

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Vaculik, Jaroslav. "Unreinforced masonry walls subjected to out-of-plane seismic actions." Thesis, 2012. http://hdl.handle.net/2440/77089.

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During a seismic event, the walls within an unreinforced masonry (URM) building must possess sufficient capacity to withstand out-of-plane collapse. Traditionally, design against this type of failure has been performed using a force-based (FB) approach, in which the engineer must ensure that the force capacity of the wall is not exceeded during a design earthquake. In recent years, however, seismic design philosophy for ductile systems has experienced a move away from FB methods and toward displacement-based (DB) methods, where the aim is to ensure that structural deformations are kept within

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Santos, Rafael Alexandre Mota dos. "Effect of the Distance Between Impact Point and Hole Position and Non-Perpendicular Holes on the Impact Strength of Composite Laminates." Master's thesis, 2016. http://hdl.handle.net/10400.6/7703.

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The effect of the distance between impact point and hole position and the angle of the hole with the vertical axis was studied. In order to understand this effect, flexural tests were also performed to evaluate the bending strength of CFRP. In terms of distance of the hole, a maximum reduction of 29.7% on the bending load for a distance of 0 mm was found. This reduction was 22.3% on the impact load. In terms of angle of the hole, a maximum load reduction of 15.6% on the bending strength was found and for the impact load this value was found to be 7% for 20º. The fatigue resistance was also stu

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