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abrasion artifacts

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... retention, as discussed subsequently. In addition, abrasives can become lodged in the gap and fall out, causing contamination problems and polishing artifacts in a subsequent preparation step. Further, liquids can seep out of the gaps, despite best efforts to dry the specimen carefully, and obscure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
..., polishing, and even handling to avoid creating artifacts that could lead to false conclusions. The investigator should preserve the fracture initiation area as it was at the time of failure. For example, any band saw cutting, abrasive-wheel cutting, or burning should be done well away from the fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001597
EISBN: 978-1-62708-236-5
... that is longitudinally oriented near the middle of the surface, becoming diagonal and then circumferential near each end of the journal. Circumferential abrasive wear patterns were present over the entire journal surface, with more severe areas located along the center and near an area of spalling along the cracks ( Fig...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
...Generic four-step contemporary practice for many metals and alloys Table 2 Generic four-step contemporary practice for many metals and alloys Surface Abrasive/size Load, N(lbf) Speed,rpm/direction Time, min Waterproof PSA paper 120/P120-, 180/P180-, or 240/P280-grit SiC, water...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... for the special sanding belt is because the abrasive grit must not contain any of the elements that are going to be analyzed. For example, a zirconium oxide abrasive is often used to prepare steels for this type of analysis, because zirconium is rarely specified in steels. Thus, if a small piece of zirconium...
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
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001812
EISBN: 978-1-62708-241-9
... (by fluxing) or mechanically (by abrasion) before LME can occur. Even with fluxes and abrasion, it can be difficult to achieve wetting in some systems, e.g. liquid mercury and high-strength steels. Since there is neither the time nor the tendency for diffusion of embrittling atoms ahead of crack-tips...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
... are usually caused by a reaction with the furnace atmosphere, have a white appearance under the blister. Trapping and reacting with oil or lubricant can be caused by uneven metal flow, resulting in a black or dark-gray color under the blister artifact. Deformation heating (insipient melting) can occur...
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 Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1