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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
... describes the general features of fatigue fractures in terms of crack initiation and fatigue crack propagation. brittle fracture crack initiation creep fracture deformation ductile fracture failure analysis fatigue crack growth fatigue crack propagation fatigue fracture fractography fracture...
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
... Abstract Distortion failure occurs when a structure or component is deformed so that it can no longer support the load it was intended to carry. Every structure has a load limit beyond which it is considered unsafe or unreliable. Estimation of load limits is an important aspect of design...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001487
EISBN: 978-1-62708-234-1
... silver-bearing copper was not available. The use of hard-drawn silver-bearing copper for a rewind, in conjunction with special attention to blocking up the end windings, is confidently expected to effect a complete cure. Alternators Deformation Cu-Ag (Other, general, or unspecified) distortion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0092155
EISBN: 978-1-62708-221-1
... was conducted to determine the cause of the malfunction and to recommend corrective measures that would prevent similar failures in other vehicles. Fig. 1 Gas-nitrided 4140 steel (27–31 HRC) drive-gear assembly in which gear teeth deformed because of faulty design and low core hardness. Details A and B...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0047212
EISBN: 978-1-62708-221-1
... to fracture. No evidence of a defective design, improper microstructure, high inclusion count, or other stress-raising condition was observed. No recommendations were made. Earthmoving equipment Plastic deformation Shafts (power) 4340 UNS G43400 Fatigue fracture A steering knuckle used...
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
... of a component of interest in a failure investigation. Details on the mechanisms of deformation, brittle transgranular fracture, intergranular fracture, fatigue fracture, and environmentally affected fracture are also provided. brittle transgranular fracture creep fracture deformation ductile fracture...
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
..., errors in the specification of the material, and faulty process and their corrective measures to meet specifications. It discusses the general process of material failure analysis and special types of distortion and deformation failure. deformation distortion material failure analysis...
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Published: 01 June 2019
Fig. 10 Deformation mechnaism map for Incoloy 800H 7 . The deformation mechanism is given as a function of homologue temperature (T/Tm) and homologue stress (σ/G). More
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Published: 01 January 2002
Fig. 15 Deformation of medium-carbon and hardenable steel bars by quenching from below and above the transformation temperature and by stress relieving. l c , change of length; WQ, water quench; OQ, oil quench. (a) to (c) JIS S38C steel (0.38% C). (d) to (f) JIS SNCM 439 steel (0.39% C, 1.8 More
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Published: 01 January 2002
Fig. 16 Bulk deformation failure of WC-Co coating, indicating cracks in the middle of the wear track and substrate migration at the edge of the wear track More
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Published: 01 January 2002
Fig. 17 Mechanism of bulk deformation More
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Published: 01 January 2002
Fig. 7 (a) Abrasive wear mechanisms and surface deformation as a function of pressure, P ; material hardness, H ; and fracture energy, G Ic . (b) Curves 1 to 3 correspond to the schematic in (a), possible schematic of the wear rate, W as a function of hardness, H of wearing material More
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Published: 01 January 2002
Fig. 14 Deformation from threads that left impressions on the inside surface of a hole as the members sheared with respect to each other. More
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Published: 01 January 2002
Fig. 21 Example of plastic deformation detected metallographically by the presence of bent annealing twins. (a) Annealed 80–20 brass. (b) Cold worked 20% 80–20 brass. Plastic deformation can be detected metallographically by the presence of bent annealing twins, the presence of deformation More
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Published: 01 January 2002
Fig. 22 Deformation and fracture map for (a) magnesium and (b) magnesium oxide. Mode 1, 2, and 3 represent regions of brittle fracture mechanisms (cleavage or IG fracture) with the following conditions: Region 1, pre-existing cracks propagate; Region 2, slip or twin-nucleated cracks propagate More
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Published: 01 January 2002
Fig. 24 Deformation and fracture map for spheroidized 1045 steel. Source: Ref 40 More
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Published: 01 January 2002
Fig. 25 Deformation map for various failure mechanisms as a function of temperature and sulfur contents for preoriented polyisoprenes. Source: Ref 41 More
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Published: 01 January 2002
Fig. 54 Near crack-tip deformation and fracture processes. The stress singularity at the free surface of a crack is relieved by crack blunting and plastic flow or by microcracking, Shape of the plastic zone depends on the extent of strain hardening in the plastic zone. ρ, tip radius More
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Published: 01 January 2002
Fig. 35 Local deformation in shear-lip formation. (a) UNS C71500 (70Cu-30Ni) steel tensile specimen showing localized deformation at the exterior surface of the necked region. (b) Cross section of sample in (a) showing shear nature of localized deformation in a region opposite the slant More
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Published: 01 January 2002
Fig. 21 Simplified deformation behavior (Ashby) maps of unalloyed annealed metals with (a) face-centered cubic crystal structure and (b) body-centered cubic crystal structure. Engineering alloys may behave somewhat differently than unalloyed metals, but these general trends are relatively More