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axial deformation

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Published: 01 January 2000
Fig. 17 Typical behavior of engineering compression stress and axial deformation under a biaxial compression-shear load More
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004028
EISBN: 978-1-62708-185-6
... of the homogeneous effective medium (HEM). The article analyzes the anisotropy predictions of rolled face-centered-cubic and body centered-cubic sheets and presents simulations of the axial deformation of hexagonal-close-packed zirconium. The applications of polycrystal constitutive models to the simulation...
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Published: 01 January 2005
Fig. 12 Evolution with axial strain of the relative activity of deformation modes (symbols) and twin fraction (solid line) in Zr at 76 K, for through-thickness compression (TTC), in-plane compression (IPC), and in-plane tension (IPT) simulations More
Image
Published: 01 January 2000
Fig. 8 Hat-shaped specimen to produce shear deformation under axial compression loading. All dimensions are in millimeters. More
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Published: 30 August 2021
Fig. 42 Plastic deformation caused by improper mounting. Arrows indicate axial plastic deformation on the inner and outer races. Source: Ref 24 More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003265
EISBN: 978-1-62708-176-4
...Abstract Abstract Compression tests are used for subscale testing and characterizing the mechanical behavior of anisotropic materials. This article discusses the characteristics of deformation during axial compression testing, including deformation modes, compressive properties, and compression...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003295
EISBN: 978-1-62708-176-4
... shear testing by the methods listed in Table 1 . As for axial loading, a variety of testing machines are available for shear loading. Selection usually depends on the rate of deformation required. A servo-hydraulic machine provides the most convenient testing method for rates up to about 10 s −1...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009008
EISBN: 978-1-62708-185-6
..., and specimen profile on the measured free-surface strains at midheight. Measured strain paths are shown in terms of circumferential versus axial strain. Starting with the strain ratio of one-half for the case of homogeneous deformation, the strain-path slope increases with increasing friction. For a given...
Image
Published: 01 December 2009
Fig. 5 Tensile specimen loaded to the point of failure. (a) Photographs of the samples in the undeformed and deformed conditions. (b) Finite-element mesh of the gage section of the mesh showing axial strains. One insert shows the full mesh, while the others show only those crystals satisfying More
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Published: 30 September 2015
Fig. 5 Axial fatigue of powder-metallurgy-forged 4620 steel for various levels of forging deformation. Fatigue limit increases as deformation level (height strain) increases. Source: Ref 4 More
Image
Published: 01 January 1996
Fig. 14 Microstructure of compact tension specimens from type 316 piping. (a) Stringers aligned in axial direction. (b) Longitudinal-circumferential (L-C) orientation. Extensive plastic deformation and deep microvoids nucleated by stringers. (c) Circumferential-longitudinal (C-L) orientation More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006080
EISBN: 978-1-62708-175-7
... (or void space) between particles, the lateral flow of forging leads to considerable shear, which breaks up any oxide surfaces on the particles and enhances bonding ( Fig. 2a ). In hot pressing, pores and voids simply collapse under axial deformation ( Fig. 2b ) ( Ref 1 ). Hot pressing is similar...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004030
EISBN: 978-1-62708-185-6
... uniform deformation and planar isotropy (R 0 ° = R 90° = R 45 ° = R)  Axial true stress σ 1  Axial true strain ε 1  Effective stress ( σ ¯ ) σ ¯   = 3 ( 1 + R ) 2 ( 2 + R ) σ 1  Effective strain ( ε ¯ ) ε ¯   = 2...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005181
EISBN: 978-1-62708-186-3
... texture) F (σ yy −σ zz ) 2 + G (σ zz −σ xx ) 2 + H (σ xx −σ yy ) 2 +2 L σ yz 2 +2Mσ zx 2 +2 N σ xy 2 = 1 Uniaxial sheet tension test assuming uniform deformation and planar isotropy (R 0 ° = R 90° = R 45 ° = R)  Axial true stress σ 1  Axial true strain ε 1...
Image
Published: 01 January 2005
Fig. 32 Double kink band produced in a single crystal of zinc by axial compression. As-polished and deformed. Original magnification 3×. Courtesy of J.J. Gilman More
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Published: 01 November 2010
Fig. 27 Good agreement between DEFORM predictions (solid lines) and NASA's measurements (dotted lines) of the axial distortions of disk 1 after heat treatment and after two machining cuts More
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009009
EISBN: 978-1-62708-185-6
..., then this is given by: (Eq 8) σ a = σ 0 = 4 P π D 2 = 4 P h π D 0 2 h 0 where σ a is the average true axial stress, which is equal to the flow stress σ 0 or effective stress σ ¯ for homogeneous deformation. When the friction at the specimen/platen...
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Published: 01 January 2005
Fig. 19 Axial cross sections of specimens of Ti-6Al-2Sn-4Zr-2Mo-0.1Si with an equiaxed-alpha starting microstructure that were nonisothermally upset at 954 °C (1750 °F) to 50% reduction in a mechanical press ( ε ¯ ˙ ≈ 30   s − 1 ) between dies at 191 °C (375 °F). Dwell More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003269
EISBN: 978-1-62708-176-4
..., axial loads are applied to prevent buckling or to enable combined tension-torsion deformation; threaded ends are required for this type of test. Triangular or hexagonal ends are most common when tests are to be run in stroke control to prevent changes in gage-section geometry that may result from...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009011
EISBN: 978-1-62708-185-6
... in torsion to deformation levels equivalent to a true axial strain of 5 or more in tension, or a reduction of 90 to 95% in compression. Another attractive feature of the torsion test is that a constant true strain rate can be imposed on any given annular region of the specimen by simply twisting one end...