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Published: 30 August 2021
Fig. 12 (a) Cutout with nozzle. (b) Extracted metal part More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001435
EISBN: 978-1-62708-236-5
... prior to failure the inner race of the roller bearing became slack on the shaft and the seating was built up by the metal-spray process. The shaft was machined to form a rough thread to provide the requisite mechanical key for the sprayed-on metal. Part of this sprayed-on layer became detached after...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
...-Element Bearings” in this Volume. Wear Wear of metal parts is commonly classified into either of two categories: abrasive wear or adhesive wear. Abrasive Wear Abrasive wear, the undesired removal of material by a cutting mechanism, can reduce the size and destroy the proper shape of a shaft...
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
... Abstract This article addresses the forms of corrosion that contribute directly to the failure of metal parts or that render them susceptible to failure by some other mechanism. It describes the mechanisms of corrosive attack for specific forms of corrosion such as galvanic corrosion, uniform...
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
... Abstract Corrosion is the electrochemical reaction of a material and its environment. This article addresses those forms of corrosion that contribute directly to the failure of metal parts or that render them susceptible to failure by some other mechanism. Various forms of corrosion covered...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0091358
EISBN: 978-1-62708-233-4
... corrosive attack in the stained areas. The remaining portions of the valve surface and other metal parts that had also been in contact with the liquid appeared bright and unaffected. Examination at low magnification confirmed the presence of severe highly localized attack in the stained areas. The valve...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091336
EISBN: 978-1-62708-234-1
... deposits of solid substances that sometimes collect just above the liquid level on a metal part that is partly immersed in an electrolyte. The deposits usually remain moist or are intermittently moist and dry. Where the liquid level fluctuates or where the liquid is agitated, the area of the metal...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... analysis hydrogen damage hydrogen embrittlement metal parts steel HYDROGEN DAMAGE is a term used to designate a number of processes in metals by which the load-carrying capacity of the metal is reduced due to the presence of hydrogen. The detrimental effects of hydrogen on metals are often...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006801
EISBN: 978-1-62708-329-4
... metal, and springback/dimensional. It discusses the processes involved in analytical tools that aid in characterizing the state of a formed part. In addition, information on draw panel analysis and troubleshooting of sheet forming failures is also provided. draw panel analysis fractures necks...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... Abstract This article provides an overview of metal additive manufacturing (AM) processes and describes sources of failures in metal AM parts. It focuses on metal AM product failures and potential solutions related to design considerations, metallurgical characteristics, production...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001658
EISBN: 978-1-62708-229-7
... and yet others contained intermediate amounts. This, of course, corresponds with the distribution of chromium within the metallic parts of the deposit. The layering of the oxide within the 1977 deposit was only seen in oxide surrounding metal particles. Sources of the Deposits The 1977 Deposit...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... or unmounted metal specimens A right-angle head, electric drill motor with attachments and materials for grinding and polishing selected spots on large parts or assemblies. It is also used for driving the grinding and polishing machine described in the previous item A portable microscope, with camera...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
.... The article provides a discussion on the imperfections found in steel forgings. The problems encountered in sheet metal forming are also discussed. The article concludes with information on the causes of failure in cold formed parts. anisotropy blisters centerline shrinkage chemical segregation cold...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006758
EISBN: 978-1-62708-295-2
... geometry such as a welded assembly, or is additively manufactured, or if the part has both metallic and nonmetallic or composite sections. There are terahertz (THz) imaging, infrared (IR) imaging and laser shearography (ST) techniques available that use discontinuity location and damage mode where other...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006826
EISBN: 978-1-62708-329-4
...) failures: In-service part failures caused by undesired surface layers: Surface metallurgy, roughness or topography damage associated with metal-removal practices can lead to workpiece rejection during inspection or in-service part failure. In-service part failures caused by metallurgical factors...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... a CoC without performing chemical analysis, because the CoC may have errors, or worse, falsified records. There are some sampling considerations in attempting to determine the bulk chemistry of a metallic part. Sampling must be performed such that a sufficiently large specimen is obtained...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
... whether the part will be made from metal, plastic, ceramic, or composite. Level II: Determine whether metal parts will be produced by a deformation process (wrought) or a casting process; for plastics, determine whether they will be thermoplastic or thermosetting polymers. Level III: Narrow...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090457
EISBN: 978-1-62708-222-8
... a metal slide on an older design, whereas newer components showed no signs of failure. The latch assembly components were injection molded from an unfilled commercial grade of a polyacetal copolymer. Investigation of failed parts (including visual inspection, a specially designed proof load test, 59x SEM...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... the material by lowering the bond strength between metal atoms. This theory is the one that is most applicable to the type of hydrogen embrittlement generally found in newly processed parts that crack during shipping or are found cracked at some point during the assembly process. Grain boundaries of steel...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
... will be made from metal, plastic, ceramic, or composite. Level II: Determine whether metal parts will be produced by a deformation process (wrought) or a casting process; for plastics, determine whether they will be thermoplastic or thermosetting polymers. Level III: Narrow options to a broad...