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passive voltage contrast

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001704
EISBN: 978-1-62708-218-1
... sulfide and are associated with anaerobic sulfate-reducing bacteria such as desulfovibrio, desulfotomaculum, and desulfomonas . The dark pits are often surrounded by concentric rings varying in color from black to blue. In contrast, reddish-brown corrosion deposits (which will be discussed...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... for dimensional anomalies, color variation, cracks, pits, etc. Only sensitive to surface flaws Low cost, intuitive. May be enhanced with PT, MT, IR, UV, laser reference lines, video, and magnifying lenses All Thermal/infrared (IR)—includes passive thermal inspections, flash thermography, and laser flying...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006811
EISBN: 978-1-62708-329-4
... are typically made from alloys that are either noble or that readily form passive oxide films, giving them strong corrosion resistance. Corrosion resistance is an important feature for the safety and effectiveness of these devices, because reduction in metal-ion release rates helps decrease potential toxicity...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... that reacts with the rust to produce an oxide that makes the surface passive and seals the surface from water and other solutions. In contrast to the active surfaces formed typically on steels, some metals form dense insulated tightly adherent passive films from uniform-corrosion processes with the metal...
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
... affects serviceability or would be unacceptable to a standard. In contrast, a flaw refers to an undesirable imperfection, although its specific effect may not be determined. For specific and technical interpretations of these terms (and others such as discontinuity or indication ), the reader...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... a phosphoric-acid-based compound that reacts with the rust to produce an oxide that makes the surface passive and seals the surface from water and other solutions. In contrast to the active surfaces formed typically on steels, some metals form dense, insulated, tightly adherent passive films from uniform...
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: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4