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Relevant bibliographies by topics / Tensile strength; Compression tests; Fracture

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Academic literature on the topic 'Tensile strength; Compression tests; Fracture'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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Journal articles on the topic "Tensile strength; Compression tests; Fracture"

1

Wang, Min, C. L. Au, P. K. Lai, and William Bonfield. "Tensile and Compressive Behaviours and Properties of a Bone Analogue Biomaterial." Key Engineering Materials 284-286 (April 2005): 693–96. http://dx.doi.org/10.4028/www.scientific.net/kem.284-286.693.

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For the purpose of mimicking the structure and matching mechanical properties of human cortical bone, a natural composite material, hydroxyapatite (HA) reinforced high density polyethylene (HDPE) has been developed as a bioactive, analogue material for bone replacement. This synthetic composite material is now in clinical use. To understand the deformation behaviour and determine mechanical properties of HA/HDPE composite under different loading modes and loading conditions, tensile and compression tests were performed in the current investigation. It was observed that under tension, HA/HDPE c

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Teschke, Mirko, Alexander Koch, and Frank Walther. "Comparison of High-Temperature Compression and Compression-Compression Fatigue Behavior of Magnesium Alloys DieMag422 and AE42." Materials 13, no. 3 (2020): 497. http://dx.doi.org/10.3390/ma13030497.

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Due to their high strength-to-weight-ratio, magnesium alloys are very attractive for use in automotive engineering. For application at elevated temperatures, the alloys must be creep-resistant. Therefore, the influence of the operating temperature on the material properties under quasistatic and cyclic load has to be understood. A previous study investigated tensile-tensile fatigue behavior of the magnesium alloys DieMag422 and AE42 at room temperature (RT). The aim of this study was the comparison of both alloys regarding compression, tensile, and compression-compression fatigue behavior. The

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Gontarz, Jakub, and Jacek Szulej. "Report on laboratory tests of sandstone and porphyry for rock fracture analysis." Budownictwo i Architektura 19, no. 2 (2020): 087–100. http://dx.doi.org/10.35784/bud-arch.1540.

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The paper presents the results of mechanical tests of three types of rocks from stone mines in Poland. Compression tests of cubic samples, three-point bending tests of beams, bending of beams with notch and testing of tensile strength using the quasi-Brazilian method were performed. Based on the tests, the compressive strength, tensile strength, Young's modulus, and Poisson's ratios were determined. The stress intensity factor and critical strain energy release rate in mode I were determined from the bending test of the notched beams. The determined values were used as parameters of computer m

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Shaikh, Asad, Alexander Churyumov, Andrey Pozdniakov, and Tatiana Churyumova. "Simulation of the Hot Deformation and Fracture Behavior of Reduced Activation Ferritic/Martensitic 13CrMoNbV Steel." Applied Sciences 10, no. 2 (2020): 530. http://dx.doi.org/10.3390/app10020530.

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This study describes deformation behavior and fracture during compression and tension at high temperatures of ferritic/martensitic 13CrMoNbV steel. Hot compression and tensile tests were carried out in the temperature range of 1100–1275 °C with a thermomechanical simulator Gleeble 3800. The true stress and ultimate tensile strength decrease with an increase in the deformation temperature. The modified Arrhenius-type constitutive model was built for 13CrMoNbV ferritic/martensitic steel using the experimental stress–strain compression data. The modified Rice and Tracy ductile fracture criteria w

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Kok Shien, Ng, Chew Yee Ming, and Nordin Sukri. "Fracture behaviour of Cement Treated Sandy Clay." MATEC Web of Conferences 303 (2019): 01001. http://dx.doi.org/10.1051/matecconf/201930301001.

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Addition of cement into soft soil has been proven to be useful in stabilizing the foundation. However, some failure cases are found related to this type of technique, especially involving the tensile failure of cement column as retaining structure. As we know, tensile strength of soil is important in controlling the cracking and tensile failure of many earth structures. This paper aims to investigate the fracture behaviour of cement treated sandy clay in terms of its compressive and tensile strength as well as its strain response under applied stress. Three laboratory testing namely the unconf

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Kim, Young-Kyun, and Kee-Ahn Lee. "Tensile and Compressive Deformation Behaviors of High-Strength Cu Bulk Material Manufactured by Cold Spray." Korean Journal of Metals and Materials 58, no. 11 (2020): 759–67. http://dx.doi.org/10.3365/kjmm.2020.58.11.759.

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In this study, high-strength pure Cu bulk material was manufactured using a cold spray additive manufacturing process, and its microstructure, tensile and compressive deformation behaviors were investigated and compared. The cold spray additive manufactured Cu bulk material showed a heterogeneous grain structure consisting of fine-grains and coarse-grains, and only α – Cu single phase was identified. The cold spray Cu exhibited yield strengths of ~415 MPa in tensile- and compression tests, indicating that it had similar mechanical properties in different deformation modes. The yield strength v

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Ivanov, Sergey G., Dries Beyens, Larissa Gorbatikh, and Stepan V. Lomov. "Damage development in woven carbon fibre thermoplastic laminates with PPS and PEEK matrices: A comparative study." Journal of Composite Materials 51, no. 5 (2016): 637–47. http://dx.doi.org/10.1177/0021998316653460.

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In this work, we investigate the effect of the matrix on the mechanical performance of woven carbon fibre composites. More specifically, composites with the same 5-harness satin carbon fabric reinforcement and different thermoplastic matrices, PPS and PEEK, are compared in various mechanical tests (tensile, interlaminar fracture toughness and compression-after-impact tests). The results of tension tests show the influence of the matrix type on the development of cracks in yarns. The cracks in carbon fabric/PEEK composite appear later than in carbon fabric/PPS composite. Their density is also l

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Hoos, Kevin, Endel V. Iarve, Michael Braginsky, Eric Zhou, and David H. Mollenhauer. "Static strength prediction in laminated composites by using discrete damage modeling." Journal of Composite Materials 51, no. 10 (2016): 1473–92. http://dx.doi.org/10.1177/0021998316651986.

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Discrete Damage Modeling of complex local failure patterns in laminated composites including matrix cracking, delamination, and fiber failure was performed. Discrete Damage Modeling uses the Regularized eXtended Finite Element Method for the simulation of matrix cracking at initially unknown locations and directions independent of the mesh orientation. Cohesive interface model is used both for Mesh Independent Cracking as well as delamination propagation. The fiber failure mode is modeled by two different methods in tension and compression. Tensile failure is predicted by Critical Failure Volu

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Závacký, Martin, Tomáš Majda, Iva Rozsypalová, and Jan Štefaňák. "Moravian greywacke – evaluation of fracture, strength and deformability properties." E3S Web of Conferences 133 (2019): 02003. http://dx.doi.org/10.1051/e3sconf/201913302003.

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This contribution brings overview of mechanical properties of greywacke with focus on fracture mechanics parameters. Investigated rock type is clastic sediment, relatively widespread in Moravia region. The rock type is significantly utilized in construction industry. For purposes of this study, Kobeřice quarry was selected as sampling locality. Mechanical properties were investigated by deformation controlled 3-point bending test. Chevron notch was created on specimens in order to study fracture mechanics parameters. Moreover, deformation controlled uniaxial compression tests were carried out,

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Rasidhar, Lanka, A. Rama Krishna, Ch Srinivasa Rao, and K. Vijaya Lakshmi. "Development and Evaluation of Mechanical Properties of Al/Ilmenite Nanocomposite." Applied Mechanics and Materials 704 (December 2014): 32–38. http://dx.doi.org/10.4028/www.scientific.net/amm.704.32.

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In the present investigation, microstructure and mechanical properties of nanocomposites fabricated via stir casting were evaluated. The composites were based on Al (99.7) reinforced with ilmenite nanoparticles. The characterization of the nanoparticles and nanocomposites was investigated by scanning electron microscopy (SEM) and X-ray diffraction (XRD) facilities. Microstructure of specimens show that reasonable distribution of FeTiO3 nanoparticles in the matrix, secondary phase FeAl3 observed in the microstructure. Ultimate tensile strength and compression tests were carried out in order to

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Dissertations / Theses on the topic "Tensile strength; Compression tests; Fracture"

1

Brown, David Roger. "An assessment of the compaction behaviour of pharmaceutical compacts by means of complementary mechanical tests." Thesis, University College London (University of London), 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336444.

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Simpson, Nathaniel Denis John. "An analysis of tensile strength, fracture initiation and propagation in anisotropic rock (gas shale) using Brazilian tests equipped with high speed video and acoustic emission." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for petroleumsteknologi og anvendt geofysikk, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-24284.

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This study attempts to further our knowledge of fracture behaviour by establishing an experimental system that links tensile strength, fracture initiation and propagation of an anisotropic rock (Mancos Shale) using an integrated Brazilian Test Setup equipped with Acoustic Emission and High Speed Video. The unique experimental conguration was applied to an anisotropic gas shale (Mancos Shale) in addition to other petroleum related reservoir rocks (such as sandstone and chalk). The variation in tensile strength, fracture initiation location, propagation time and the failure pattern are examined

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Fichtner, Frauke. "Identification and Variation of some Functionality Related Characteristics of Pharmaceutically Relevant Solid Materials and their Effect on Product Performance." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7462.

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Baumgarten, Lars. "Gesteinsmechanische Versuche und petrophysikalische Untersuchungen – Laborergebnisse und numerische Simulationen." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2016. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-202612.

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Dreiaxiale Druckprüfungen können als Einstufenversuche, als Mehrstufenversuche oder als Versuche mit kontinuierlichen Bruchzuständen ausgeführt werden. Bei der Anwendung der Mehrstufentechnik ergeben sich insbesondere Fragestellungen hinsichtlich der richtigen Wahl des Umschaltpunktes und des optimalen Verlaufs des Spannungspfades zwischen den einzelnen Versuchsstufen. Fraglich beim Versuch mit kontinuierlichen Bruchzuständen bleibt, ob im Versuchsverlauf tatsächlich Spannungszustände erfasst werden, welche die Höchstfestigkeit des untersuchten Materials repräsentieren. Die Dissertation greift

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Novaes, Jéssica Flesch. "Misturas cinza volante - cal de carbureto : durabilidade, resistência à tração e compressão." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/149252.

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Assunto cada vez mais em pauta nos foros nacionais e internacionais e nas comunidades ao redor do mundo, a questão ambiental tem sido a grande responsável pela geração de produtos novos. A construção de obras de infraestrutura é um dos maiores consumidores de recursos naturais, gerando uma enorme quantidade de resíduos, acaba também por ser um setor causador do impacto ambiental. Tais resíduos, se descartados de maneira incorreta geram problemas ambientais, em contraponto o descarte em aterros sanitários tem um custo bastante elevado. Partindo dessas premissas, buscar a utilização de resíduos

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Berg, Jan-Erik. "Wood and fibre mechanics related to the thermomechanical pulping process." Doctoral thesis, Mittuniversitetet, Institutionen för naturvetenskap, teknik och matematik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-6725.

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The main objective of this thesis was to improve the understanding of some aspects on wood and fibre mechanics related to conditions in the thermomechanical pulping process. Another objective was to measure the power distribution between the rotating plates in a refiner. The thesis comprises the following parts: –A literature review aimed at describing fracture in wood and fibres as related to the thermomechanical pulping process –An experimental study of fracture in wood under compression, at conditions similar to those in feeding of chips into preheaters and chip refiners –An experimental

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Dai, Feng Jr. "Dynamic Tensile, Flexural and Fracture Tests of Anisotropic Barre Granite." Thesis, 2010. http://hdl.handle.net/1807/26141.

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Granitic rocks usually exhibit strongly anisotropy due to pre-existing microcracks induced by long-term geological loadings. The understanding of anisotropy in mechanical properties of rocks is critical to a variety of rock engineering applications. In this thesis, the anisotropy of tension-related failure parameters involving tensile strength, flexural strength and Mode-I fracture toughness/fracture energy of Barre granite is investigated under a wide range of loading rates. Three sets of dynamic experimental methodologies have been developed using the modified split Hopkinson pressure bar sy

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Aderibigbe, Aderonke. "Rock-Fluid Chemistry Impacts on Shale Hydraulic Fracture and Microfracture Growth." Thesis, 2012. http://hdl.handle.net/1969.1/ETD-TAMU-2012-05-11129.

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The role of surface chemical effects in hydraulic fracturing of shale is studied using the results of unconfined compression tests and Brazilian tests on Mancos shale- cored at depths of 20-60 ft. The rock mineralogy, total organic carbon and cation exchange capacity were determined in order to characterize the shale. Adsorption tests to study the interaction of the shale and aqueous fluid mixture were also carried out using surface tension measurements. The uniaxial compressive strengths and tensile strengths of individual shale samples after four hours exposure to water, 2.85 x 10^-3 M cati

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Baumgarten, Lars. "Gesteinsmechanische Versuche und petrophysikalische Untersuchungen – Laborergebnisse und numerische Simulationen." Doctoral thesis, 2015. https://tubaf.qucosa.de/id/qucosa%3A23031.

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Dreiaxiale Druckprüfungen können als Einstufenversuche, als Mehrstufenversuche oder als Versuche mit kontinuierlichen Bruchzuständen ausgeführt werden. Bei der Anwendung der Mehrstufentechnik ergeben sich insbesondere Fragestellungen hinsichtlich der richtigen Wahl des Umschaltpunktes und des optimalen Verlaufs des Spannungspfades zwischen den einzelnen Versuchsstufen. Fraglich beim Versuch mit kontinuierlichen Bruchzuständen bleibt, ob im Versuchsverlauf tatsächlich Spannungszustände erfasst werden, welche die Höchstfestigkeit des untersuchten Materials repräsentieren. Die Dissertation greift

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Books on the topic "Tensile strength; Compression tests; Fracture"

1

Poon, C. Tensile fracture of notched composite laminates. National Research Council Canada, 1991.

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2

Masters, John E. Translaminar fracture toughness of a composite wing skin made of stitched warp-knit fabric: Under contract NAS1-96014. National Aeronautics and Space Administration, Langley Research Center, 1997.

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Center, Langley Research, ed. Test methods for textile composites. National Aeronautics and Space Administration, Langley Research Center, 1994.

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4

C, Pauly Christopher, Pindera M. J. 1951-, and United States. National Aeronautics and Space Administration., eds. Experimental characterization and micromechanical modeling of woven carbon/copper composites. National Aeronautics and Space Administration, 1997.

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A, DiCarlo James, and United States. National Aeronautics and Space Administration., eds. Thermomechanical behavior of advanced SiC fiber multifilament tows. National Aeronautics and Space Administration, 1997.

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Center, Langley Research, ed. Translaminar fracture toughness of a composite wing skin made of stitched warp-knit fabric: Under contract NAS1-96014. National Aeronautics and Space Administration, Langley Research Center, 1997.

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Book chapters on the topic "Tensile strength; Compression tests; Fracture"

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Tserpes, Konstantinos, Elli Moutsompegka, Mareike Schlag, et al. "Characterization of Pre-bond Contamination and Aging Effects for CFRP Bonded Joints Using Reference Laboratory Methods, Mechanical Tests, and Numerical Simulation." In Adhesive Bonding of Aircraft Composite Structures. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-92810-4_2.

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AbstractIn this chapter, the pre-bond contamination and ageing effects on carbon fiber reinforced plastic (CFRP) adherends and CFRP bonded joints are characterized by means of reference laboratory non-destructive testing (NDT) methods, mechanical tests, and numerical simulation. Contaminations from two fields of application are considered, namely in aircraft manufacturing (i.e. production) and for in-service bonded repair. The production-related scenarios comprise release agent, moisture, and fingerprint, while the repair-related scenarios comprise fingerprint, thermal degradation, de-icing fluid, and a faulty curing of the adhesive. For each scenario, three different levels of contamination were pre-set and applied, namely low, medium and high level. Furthermore, two types of samples were tested, namely coupons and pilot samples (a stiffened panel and scarf repairs). The CFRP adherends were contaminated prior to bonding and the obtained surfaces were characterized using X-ray photoelectron spectroscopy. After bonding, the joints were tested by ultrasonic testing. To characterize the effects of each contamination on the strength of the bonded joints, mode-I and mode-II fracture toughness tests, and novel centrifuge tests were conducted on the coupons, while tensile tests were performed on the scarfed samples. Additionally, numerical simulation was performed on CFRP stiffened panels under compression using the LS-DYNA finite element (FE) platform.

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Weerheijm, J. "Axial Dynamic Tensile Strength of Concrete under Static Lateral Compression." In Fracture and Damage Mechanics V. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-413-8.991.

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Hwang, Shun Fa, and Horng Ming Chen. "Compression Tests of Unidirectional Composite Laminates with Two Delaminations." In Fracture and Strength of Solids VI. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-989-x.381.

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Invernizzi, Stefano, Oscar Borla, Giuseppe Lacidogna, and Alberto Carpinteri. "Piezonuclear Evidences from Tensile and Compression Tests on Steel." In Acoustic, Electromagnetic, Neutron Emissions from Fracture and Earthquakes. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16955-2_7.

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Pouyet, J., and R. Huchon. "Predicting Compressive and Shear Strengths of Anisotropic Sheets from off-Axis Tensile Tests." In Fracture of Engineering Materials and Structures. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3650-1_69.

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Naveed, Muhammad. "Advances in measuring mechanical properties of soil in relation to soil health." In Advances in measuring soil health. Burleigh Dodds Science Publishing, 2021. http://dx.doi.org/10.19103/as.2020.0079.15.

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Although mechanical properties of soil are fast and easy to measure, they have not been used as indicators of soil health apart from cone penetration resistance. The confined compression test is traditionally used for the prediction of soil compaction risks. Other mechanical tests such as soil rheometry, miniature indentation test, and tensile strength are used for assessing the impact of certain amendments on the stability of the soil. Rheological techniques are appropriate to investigate microstructural stability of soil on a particle-particle scale. Miniature indentation test is very useful to perform when mechanical properties of soil are required to measure at the mm scale. Measurement of the tensile strength of soil has an advantage as it eliminates the effect of water content. There is clearly a need for more practical and rigorous testing on comparing different mechanical properties of the soil to test how they perform relative to each other.

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S. Kulkarni, Mrudula. "Mechanical Properties and Elasticity Model for Bovine Hard Tissue." In Bovine Science [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98410.

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This chapter aims at establishing engineering material properties of bovine hard tissue cut out of long bone. The study and design of implants, medical devices, and their bone material necessitate the knowledge of mechanical properties of bone to be evaluated. Braces or steel plates are used as fixation devices in animals who are treated for the fracture to bone or cracked bone. Braces or steel plates are fixed to the bone by rods and screws. For checking the stability of these inserted metallic parts, they have to be compatible with bone. The metal and bone form composite action for the load transfer mechanism. To ensure proper biomechanics and design of these inserts and accessories, we need to know the elastic properties of bone. This chapter establishes the modulus of elasticity, poisons ratio of Bovine femur bone. The experimental study establishes the orthotropic behavior of Bovidae femur bone. This experimental research provides comprehensive mechanical properties of Bovidae femur bone, through series of mechanical tests. By performing compression tests on a bone specimen, stress, strain, elastic modulus, poison’s ratio, and yielding point of bone are established. The bovine long bone exhibits orthotropic or transversely isotropic nature of femur bone as expected. The data presented here is for samples derived from goat and water buffalo. The solid mechanics approach using stiffness matrix is adopted to establish elastic constants. The data of elastic constants, compliance, and stiffness coefficients obtained can be used for finite element analysis to simulate stability of composite, femur bone, and metallic fixation. The values of compression strength, Young’s modulus, Poisson’s ratio, and shear modulus are higher for water buffalo male than that of female showing gender difference. This may be attributed to lower bone density in females due to hormone secretion.

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Conference papers on the topic "Tensile strength; Compression tests; Fracture"

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Ogawa, Yuhei, Junichiro Yamabe, Hisao Matsunaga, and Saburo Matsuoka. "Excellent Resistance to Hydrogen Embrittlement of High-Strength Copper-Based Alloy." In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65532.

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In order to develop more energy-efficient and safer, hydrogen pre-cooling systems destined for use in hydrogen refueling stations, a metallic material must first be researched and found to possess three excellent material properties: high strength, high thermal conductivity and low susceptibility to hydrogen embrittlement (HE). This study investigated the hydrogen compatibility of a beryllium-copper alloy 25 (UNS-C17200), fabricated by a solution annealing at 1053 K and via subsequent aging treatment at 588 K. After these thermal processes, the tensile strength exceeded 1200 MPa, due to the pr

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Oosedo, Hiroko, Koji Takahashi, and Kotoji Ando. "Effects of Overload on Fatigue Strength of SUS316 Having a Crack-Like Surface Defect." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25570.

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The effects of overload on the fatigue strength and threshold stress intensity factor range (ΔKth) in SUS316 were studied. Tensile overload was applied to compact tension (CT) specimens with a large crack and fatigue tests were carried out to determine the ΔKth. Tensile or compressive overload was applied to bending fatigue test specimens with a small crack-like surface defect and fatigue tests were carried out to determine the fatigue limit and ΔKth. It was found that the ΔKth increased by tensile overloading. The increasing rate of ΔKth in the CT specimen is larger than that in the bending f

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Uchimura, H., A. Kokaji, and M. Kaji. "Evaluation of Fast Fracture Strength of Ceramic Components Under Multiaxial Stress States." In ASME 1992 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/92-gt-384.

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Several fracture criteria were studied under multiaxial stress states by Matsuo’s multiaxial fracture probability distribution function including effects of both volume and surface cracks. Tested material was a pressureless-sintered silicon nitride. Tensile (compressive)-torsional tests revealed that experimental data were satisfactorily described by Shitty’s empirical criterion for C=1.46. Good agreements for a spin and a thermal shock tests were obtained applying the Weibull parameters and the Shetty’s parameter.

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Yousif, B. F., K. J. Wong, and N. S. M. El-Tayeb. "An Investigation on Tensile, Compression and Flexural Properties of Natural Fibre Reinforced Polyester Composites." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-44012.

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In the present work, effects of two types of natural fibres on mechanical properties of polyester composites were investigated at different volume fractions of fibre. Tensile, compression, and flexural properties of oil palm bunch and oil palm fruit fibres reinforced polyester composites were investigated. Additionally, tensile strength of the selected composites was calculated theoretically. Scanning electron microscope was used to observe the fracture mechanism of the specimens. Single fiber pull-out tests were carried out to determine the interfacial shear strength between polyester resin a

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Kamel, Simon, Robert C. Wimpory, and Michael Hofmann. "The Effects of Constraint and Compressive or Tensile Residual Stresses on Brittle Fracture." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-77191.

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Residual stress is a key feature in components containing defects which can affect the crack driving force and alter the crack tip constraint to give a modified fracture toughness. In this paper experimental and numerical investigations are performed on ‘C’ shape fracture mechanics specimens, extracted from a high strength low alloy tubing steel, to examine the effects of constraint and tensile or compressive residual stress on brittle fracture. The residual stress is introduced into the specimens by a tensile or compressive mechanical pre-load to produce, respectively, a compressive or tensil

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Yu, Feng, P. Y. Ben Jar, and Michael T. Hendry. "Ball Indentation Technique to Estimate Fracture Toughness of High-Strength Rail Steels." In 2018 Joint Rail Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/jrc2018-6127.

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In this work, the non-destructive ball indentation technique is applied to estimate fracture toughness for three types of high-strength rail steels based on continuum damage mechanics. Damage parameter, in terms of the deterioration of elastic modulus, is measured for three rail steels using the loading-unloading smooth tensile test, based on which a ductile damage model is calibrated to determine the critical damage parameter at the onset of fracture. Meanwhile, an instrumented ball indentation test is conducted on the three rail steels to generate damage as a function of contact depth under

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Ogawa, Takeshi, Motoki Nakane, Kiyotaka Masaki, Shota Hashimoto, Yasuo Ochi, and Kyoichi Asano. "Investigation of Effect of Pre-Strain on Very High-Cycle Fatigue Strength of Austenitic Stainless Steels." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48811.

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The austenitic stainless steels have excellent mechanical and chemical characteristics and these materials are widely used for the main structural components in the nuclear power plants. A part of structural components using these materials is considered to have strain-history by machining, welding and etc in the process of manufacturing and these parts would be hardened because these materials have a remarkable work-hardening property. On the other hand, conventional studies for the fatigue strength used to be investigated by the results of fatigue tests applying normal specimens without the

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Gu, Gongyao, Shaoting Lin, Yan Meng, Yong Xia, and Qing Zhou. "Influence of Strain Rate and Stress State on the Mechanical Behavior of Die-Casting AM60 Magnesium Alloy." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65196.

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This paper presents experimental study, including the test method and the test data analysis, on the die-casting AM60 magnesium alloy material. Uniaxial tension tests were carried out at various strain rates roughly from 5 × 10−4 to 1 × 102 s−1, which are of interest in vehicle crash CAE. Uniaxial compression and shear tests at strain rates from 5 × 10−4 to 5 × 10−2 s−1 were also carried out. All the specimens were cut off from die-casting plates of AM60 with thickness of 2.6 mm. The test results show that the yield stress of die-casting AM60 increases slightly with the strain rate at uniaxial

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Fujishiro, Taishi, Takuya Hara, and Shuji Aihara. "Effect of Plastic Deformation on Occurrence of Abnormal Fracture During DWTT." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90165.

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Demand for natural gas using LNG and pipelines to supply the world’s gas markets is increasing. Under the large demand for high-strength linepipe, crack arrestability is one of the most important properties. DWTT (Drop Weight Tear Test) is the major test method for evaluating crack arrestability. Generally, a DWTT shear area of 85% or higher is required as the acceptance criteria, such as those of the API (American Petroleum Institute). In high-toughness linepipe steels, the abnormal fracture frequently occurs in DWTT. Abnormal fracture is defined as a cleavage fracture on the hammer side. How

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Matsunaga, Hisao, Michio Yoshikawa, Hisatake Itoga, Junichiro Yamabe, Shigeru Hamada, and Saburo Matsuoka. "Tensile- and Fatigue-Properties of Low Alloy Steel JIS-SCM435 and Carbon Steel JIS-SM490B in 115 MPA Hydrogen Gas." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28511.

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Slow strain rate tests using smooth specimens of two types of steels, low alloy steel JIS-SCM435 and carbon steel JIS-SM490B, were carried out in nitrogen gas and hydrogen gas under a pressure of 115 MPa at three different temperatures: 233 K, room temperature and 393 K. In nitrogen gas, these steels exhibited the so-called cup-and-cone fracture at every temperature. On the other hand, in hydrogen gas, in both steels a number of cracks initiated on the specimen surface and coalesced with each other at every temperature, which led to a marked reduction in ductility. Nonetheless, even in hydroge

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