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uniaxial compression testing

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... techniques and discusses the advantages and limitations of each technique when used in failure analysis. The focus is on various types of static load testing, hardness testing, and impact testing. The testing types covered include uniaxial tension testing, uniaxial compression testing, bend testing, hardness...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001799
EISBN: 978-1-62708-241-9
... on Vicker’s Hardness tester. Service-simulated laboratory experiments were performed on servohydraulic uniaxial fatigue testing machine. Fractography was done with the help of a SEM. The pinion gear was an integral part of a system used to compress the natural gas. The failed part was a high-speed gear...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003542
EISBN: 978-1-62708-180-1
... of the glass surface with a sharp, hard object. SEM; picture width ∼100 μm Another way to locate the fracture origin, especially in strength tests, is to make use of the overall crack pattern. This can be facilitated in bend tests by applying tape to the compression side of the specimen before breaking...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001660
EISBN: 978-1-62708-236-5
...) in the shear bands. Note the voids are round (a). Fig. 8 Photomacrographs of the fracture surfaces of the pins from the three manufacturers that were uniaxially tested to failure. Note the manufacturer A pins fractured through one thread root, while the manufacturers B and C pins fractured through...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001835
EISBN: 978-1-62708-241-9
... uniaxial tension test, hardness measurement, and impact toughness test under room temperature and low temperature (–40 °C) Uniaxial Tension Test Hardness Test Impact Toughness Test To analyze the metallographic structure of the broken bolts, metallographic investigation has been done. Samples...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
... test, a specimen containing no stress concentration is stretched at a constant rate until fracture. The stress in the specimen is essentially uniform uniaxial tension until onset of yield and then again after chains are oriented. Figure 15 shows the tensile load-displacement curve of a ductile...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... and fracture. Next, the mechanisms of void nucleation and void coalescence are briefly described. Macroscale and microscale appearances of ductile and brittle fracture are then discussed for various specimen geometries (smooth cylindrical and prismatic) and loading conditions (e.g., tension compression...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... concepts. bending brittle fracture compression failure deformation ductile crack nucleation ductile fracture ductility fractography manufacturing imperfections metals microvoid coalescence notched specimen plastic flow root cause failure analysis single-crystal cleavage models specimen...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001377
EISBN: 978-1-62708-215-0
... supplied by the two vendors ( Fig, 13 and 14 ). However, owing to the dominating factor of residual stress, definite conclusions with regard to the effect of grain size could not be made. In further investigations of the effect of compressive residual stresses, stress-corrosion tests were conducted...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
..., the type, sequence, magnitude, and number of the fluctuating (multiaxial) stresses often in combination with complex environmental influences (temperature, corrosion, wear). These factors complicate the laboratory simulation of actual application conditions and often require full-sized component tests...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... on the compressive (concave) side ( Fig. 2 ). Fig. 2 (a) Buckled flange (lower arrow) of an extruded aluminum section deliberately loaded with a lateral force (upper arrow). Source: Ref 4 . (b) Medium-length tube tested to buckling instability on special-purpose-designed test machine. Source: Ref 3...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... Comparison of the conventional stress-strain behavior of a low-carbon steel, a strain-hardening material, and the idealized material assumed in limit analysis. All have the same yield strength. Collapse due to instability under compressive stress, or buckling, may or may not be permanent...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... strain). Additionally, some criteria take into account polar behavior (unequal tensile and compressive failure stresses), anisotropic behavior, and nonconstancy of volume during deformation. The historically early models (Rankine, Tresca, von Mises, and octahedral shear) were phenomenological...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003530
EISBN: 978-1-62708-180-1
.... An octahedral shear stress criterion provides a mathematically identical expression to the von Mises criterion. Several other criteria have been proposed (e.g., one based on maximum strain). Additionally, some criteria take into account polar behavior (unequal tensile and compressive failure stresses...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
... uses either a four-point bend or uniaxial tensile specimen, and ASTM E 1426 ( Ref 25 ) is usually applied. In the case of four-point bend testing, a strain gage is attached to the opposite side and/or near the measurement location on the specimen. The applied strains are recorded via a strain gage...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... compressive residual stresses generally act to increase the crack-opening thresholds for given loading stresses ( Fig. 13 ). Fig. 12 Effect of tensile residual stress (RS) on fracture loads as a function of test temperature. Source: Ref 43 Fig. 13 Crack-tip opening of a shot-peened...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003565
EISBN: 978-1-62708-180-1
... Abstract This article discusses the generic features of impact wear on metals, ceramics, and polymers. It describes normal impact wear and compound impact wear, as well as the features of impact wear testing apparatus such as ballistic impact wear apparatus and pivotal hammer impact wear...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... the effects of load frequency and temperature, material condition, and manufacturing practices on fatigue strength. It provides information on subsurface discontinuities, including gas porosity, inclusions, and internal bursts as well as on corrosion fatigue testing to measure rates of fatigue-crack...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
..., uniaxial tensile test), the anisotropy of the fracture surface is expected to be symmetric with respect to the loading direction in a statistical sense. In such a case, the measurements of R L and Ψ on a single vertical section fracture profile of any one orientation can provide a reliable estimate...