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strain-range partitioning

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001816
EISBN: 978-1-62708-241-9
... as zone II and zone III behaviors of the typical sigmoidal high temperature curve [ 7 ]. Also, Fig. 5b presents the values of the m coefficient with a maximum of ~0.6, which is in the superplastic range, for a strain rate of ~5.5 × 10 −5 s −1 . The specified chemical composition for this steel...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
... of the weld must be clearly established, because there is no perfect or defect-free weld. Welding is also done according to a range of acceptable controlling parameters for a specific process(es), that is, procedures, that have been tested to guarantee a certain degree of quality of a weld. Some...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... observed in Fig. 11 . This failure is a result of months or years of deformation due to creep (discussed later), as shown in Fig. 12 . During normal utility operations, superheater tubes experience increasing temperature and strain over the life of the tube until the creep life is expended. In the case...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
... over traditional tensile or flexural testing in that the obtained modulus is continuous over the temperature range of interest. In addition, special DMAs can also be conducted to evaluate creep through the application of constant stress or stress relaxation by using a constant strain. Dynamic...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... of soldered or brazed joints, depth of penetration of welds, or occurrence of gas porosity can be revealed by proper sectioning. A critical combination of strain and subsequent heating can occasionally cause excessive grain growth. This has occurred in copper tubing, aluminum alloy tubing, or copper-clad...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... proeutectoid ferrite (in hypoeutectic alloys) or iron carbide (in hypereutectic alloys) are sometimes encountered in as-cast iron castings that have been cooled through the austenite temperature range at a slow rate. The carbide network can also result in in-situ graphitization of the carbide during...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... clearances, or occurrence of gas porosity can be revealed by proper sectioning. A critical combination of strain and subsequent heating can occasionally cause excessive grain growth. This has occurred in copper tubing, aluminum alloy tubing, or copper-clad steel tubing used for medium-pressure duty...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... in certain orthopedic devices, particularly between the bone and the metallic femoral stem of a total hip joint prosthesis ( Ref 35 – 39 ). This concept was extended in Fig. 6 . Strain deformation related to walking and related vibrations induces fretting sliding between the bone and the metallic surfaces...