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orthogonal cutting model

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
...× Rolling-Contact Fatigue Testing The aforementioned complexity in underpinning the exact failure mechanism has led to simplified experimental contact model configurations (RCF tribometers), which have been extensively used to investigate the influence of changes in bearing materials, residual stress...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... width in the x -direction, and b is the half-contact width in the y -direction. Below the surface of either component, all three principal stresses are compressive. The stress distribution in the subsurface of one of the bodies along the central axis is shown in Fig. 4 . The orthogonal shear stress...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006814
EISBN: 978-1-62708-329-4
... to determine the expected demand, particularly for welded connections. Demand is also difficult to determine for one-of-a-kind structures and for first-generation equipment designs. The loading on welded connections is often more complicated than is assumed in design. While engineers typically model...
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
...) n λ = 2 d   sin θ Once the d -spacing is measured for unstressed ( d 0 ) and stressed ( d ) conditions, the strain is calculated using the following relationship: (Eq 2) ε = ( d − d 0 ) / d 0 When applying a plane-stress model, the unstressed...
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
... normal stress reaches the yield strength of the material. Tresca’s theory states that yield at a point begins when the maximum shear stress equals the shear stress in a tension specimen when it begins to yield. Another common failure model is the von Mises criterion, which is based on a determination...
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
... is measured for unstressed ( d 0 ) and stressed ( d ) conditions, the strain is calculated using the Eq 2 relationship: (Eq 2) ε = ( d − d 0 ) / d 0 When applying a plane-stress model, the unstressed lattice spacing, d 0 , can be substituted with the d -spacing measured...
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
... the maximum shear stress equals the shear stress in a tension specimen when it begins to yield. Another common failure model is the von Mises criterion, which is based on a determination of distortion energy at yield and recognizes that in a constant-volume isotropic material, hydrostatic stresses cannot...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
... or reduction in area is required to define whether a (ductile) distortion energy yield criterion or a (brittle) maximum normal stress or maximum shear criterion (perhaps modified by a normal stress term, such as the Coulomb-Mohr model) is used in design. Ductile behavior also is often associated with high...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... in Fig. 27(a) , with the plane of section cut through the end of the oxidized appendage. The polished and etched section through the cavity is shown in Fig. 27(c) . An adiabatic shear band (ASB), the light-etching layer of untempered martensite, covers the entire surface of the cavity. The section...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
... in the circumferential direction. This angle typically was cut into the edges of the plate prior to forming and welding to increase the bond area. Because lap welding occurs at elevated temperatures, and pipeline steel can start to melt at 1455 °C (2650 °F), manufacturers were challenged by a relatively small...
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