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plane-strain tension test

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Published: 01 December 1992
Fig. 16 ASTM E399 plane-strain compact tension test results for the fractured flange. Note that the test results for two different plates, CK1 and CK2, and two specimensizes (25 and 50 mm, or 1 and 2 in., thick) fell on a common curve, with no evidence of elastic-plastic behavior to at least More
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Published: 01 June 2019
Fig. 10 Dimension of center crack tension specimen for plane-strain fracture toughness test, dimensions in mm. More
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
... in tensile testing of the order of 10 −3 to 10 −2 per minute do not typically cause deformation twinning at room temperature, but a hammer blow will cause twinning.) When deformation twinning does occur during plastic straining, it is usually activated after prior deformation by slip (but see subsequent...
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
... a hcp structure, just as there are differences in the stress necessary to cause cleavage. Deformation twinning does occur in materials having a bcc lattice, with twinning more likely at low temperature and elevated strain rates. (Strain rates commonly encountered in tensile testing of the order...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001451
EISBN: 978-1-62708-224-2
... of a specimen including part of the original wearing surface. A strip with its axis lying in the plane of the hook was cut from the intrados and tested by bending, the original wearing surface being on the tension side. It broke in the extremely brittle manner characteristic of previous specimens tested...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006910
EISBN: 978-1-62708-395-9
... specimens for guaranteeing plane strain and properly run the tests should be of B ≥ 8 mm (0.31 in.), with typical values of sample thickness and sample width of B ≥ 9.4 mm (0.37 in.) and W = 2 B mm (in.), respectively ( Ref 52 ). The orientation of the specimen with respect to processing...
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
...., the Tresca criterion) is discontinuous in principal stress space, it cannot predict plastic strains for several loading conditions (e.g., balanced biaxial tension). As a result, modeling of plastic flow typically uses the nonlinear distortion-energy criterion or its anisotropic equivalent, the Hill criterion...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006928
EISBN: 978-1-62708-395-9
... the dynamic mechanical properties of plastics in tension D5045 572 Plane-strain fracture toughness and strain energy-release rate of plastic materials D5083 3268 Tensile properties of reinforced thermosetting plastics using straight-sided specimens D5279 6721 Measuring the dynamic mechanical...
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
...” in this Volume). Loading relatively thick components in tension or bending and which contain notches, cracks, or similar stress concentrators parallel to the thickness direction, taken as the z direction to be consistent with the notation above, results in plane-strain loading conditions. The material...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001659
EISBN: 978-1-62708-231-0
... of the cyclic in-plane tensile stresses. Such a crack develops into a shell. All cracks wander, and show perturbations from their “straight” path. If a shell wanders upward (inclined plane in Figure 15 ) it enters a region with rapidly decreasing cyclic in-plane tension. Therefore, the perturbation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047080
EISBN: 978-1-62708-235-8
... curvature, preheated, then solution treated, water quenched, and then aged for 8 to 10 h. Analysis (visual inspection, slow-bend testing, 65x macrographic analysis, macroetching, spectrographic analysis, hardness tests, microhardness tests, tension tests, and microscopic examination) supported...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006865
EISBN: 978-1-62708-395-9
... of temperature and strain rate. In a tensile 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...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001802
EISBN: 978-1-62708-241-9
... of the bend and eventually at sufficient compressive strains will fail along maximum shear stress planes. Fig. 14 Tension and compression behavior in NiTi tubing Kinking Failures NiTi wires were intentionally subjected to torsion and tensile loading to cause kinking. This failure morphology...
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
... a straight line. This stress-strain response is termed linear elastic behavior because the stress is proportional to the strain, and on unloading, the specimen will return to its original dimensions. Fig. 15 Typical load-displacement curve for a ductile polymer tested in uniaxial tension...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006940
EISBN: 978-1-62708-395-9
... the first to provide fatigue of polymers using this technique. Strain-controlled tests are often employed in fatigue of metals ( Ref 8 , 9 ) to produce a strain-life curve and, most importantly, a cyclic stress-strain curve to describe the response of these materials to variable strain amplitude...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001474
EISBN: 978-1-62708-224-2
... with that illustrated in Figure 6 . Fig. 7 Structure along flank of fissure. (×100). The results from a sub-standard tensile test piece, cut tangentially from the intrados of the hook above the plane of fracture, were as follows: The ductility of the material was demonstrated by the fact that a bend...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001295
EISBN: 978-1-62708-215-0
... to vary the tension in the wire. Shock loading was obtained by firing a “bullet” at the rear of the cylinder, as shown in Fig. 1 . The wire was fitted with strain gauges to measure the static and dynamic strains and loads on the wire via a digital oscilloscope. Fig. 1 Schematic of impact testing...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006919
EISBN: 978-1-62708-395-9
... in this section. None of the tests provides fundamental material properties that are quantitatively useful in a design analysis sense. However, the engineer should understand the behavior that they reflect qualitatively. Unlike the results of other impact tests, plane-strain fracture toughness, the next...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... modes during tensile loading. Mode I is plane-strain fracture, where void growth and fibrous tearing occur along a crack plane that is essentially normal to the axis of the tensile load. The fracture appearance typically has a dull and fibrous appearance, as in the classic “cup and-cone” feature...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006801
EISBN: 978-1-62708-329-4
... to quantitatively compare the strain magnitude in different areas. The forming limit curve is needed to assess if the measured strains exceed the capability of a given sheet metal. Forming Limit Curve A tensile test determines the forming capability of a flat sample deformed in the plane of the sample...