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toughness models

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Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002418
EISBN: 978-1-62708-193-1
... that can be gained by activating the toughening mechanisms. Establishing these characteristics is an important priority for future modeling. Ductilizing has a much greater influence on reliability than increasing the toughness. A future endeavor would address new methods for improving ductility...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002351
EISBN: 978-1-62708-193-1
... how these processes occur in materials. It presents an overview of the fatigue mechanisms and some related models for appropriate classes of materials, such as carbon and alloy steels, aluminum alloys, and titanium alloys. Microstructural factors that affect the fracture toughness of these materials...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005733
EISBN: 978-1-62708-171-9
... modulus, mechanical strength, and toughness values are extremely important in predicting failure behavior under stress and strain conditions, mainly for modeling purposes. Sand and/or volcanic ash particles are molten in the hot zones of turbines and deposited over TBCs and EBCs. They form calcium...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006809
EISBN: 978-1-62708-329-4
... being assessed (including the effect of any applicable damage mechanisms), then that data can be used in the assessment. However, it is more common that material fracture toughness models are used to estimate the behavior. Guidance is provided in annex 9F of API 579 as well as in Welding Research...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003399
EISBN: 978-1-62708-195-5
... of intense matrix plastic deformation near the crack tip and ultimately, composite fracture. In order to predict the fracture toughness, some estimate of the flow stress and the critical displacement is needed. This was modeled in Ref 71 and 72 by considering that the periphery of fractured fiber tips...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003400
EISBN: 978-1-62708-195-5
..., for example) with the predictions of a bridging model, using an assumed form for the bridging law. One example is shown in Fig. 4 ( Ref 10 ). In general, the uniqueness of such a fit may be questionable, because of the assumptions about the form of the traction law and the intrinsic toughness...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003513
EISBN: 978-1-62708-180-1
... Abstract Optimized modeling of fracture-critical structural components and connections requires the application of elastic-plastic fracture mechanics. Such applications, however, can require sophisticated analytical techniques such as crack tip opening displacement (CTOD), failure assessment...
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