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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001339
EISBN: 978-1-62708-215-0
... with the aluminum alloys. Circumstances Leading to Failure The ethylene plant in which the piping failure occurred was designed to process distilled feedstocks that are expected to have low levels of mercury. The plant operated for 5 years using these distilled feedstocks. In the fifth year of operation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0090436
EISBN: 978-1-62708-233-4
.... Contaminants Couplings Embrittlement Feedstock Molding resins Thermal analysis Glass-filled nylon 6/12 (Other, general, or unspecified) processing-related failures Brittle fracture Molded plastic couplings used in an industrial application exhibited abnormally brittle properties, as compared...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090427
EISBN: 978-1-62708-222-8
... attack Embrittlement Feedstock Glycerides Grips Injection moldings Acrylonitrile-butadiene-styrene Brittle fracture Environmental cracking (plastics) A set of plastic grips from an electric consumer product failed while in service. The grips had been injection molded from a general-purpose...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0090439
EISBN: 978-1-62708-220-4
... not comply with the specified material and, as a result, was not as thermally stable as the reference material. Chemical composition Feedstock Molding resins Plasticizers Thermal analysis Tubing (nonmetal) Tubings Polyvinyl chloride (Other, general, or unspecified) processing-related failures...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090451
EISBN: 978-1-62708-218-1
..., and the testing itself exposed the parts to temperatures above the recognized limits for PET. Brittle fracture Chemical analysis Drying Feedstock Injection moldings Molding resins Plastic jackets Thermal shock Polyethylene terephthalate Brittle fracture (Other, general, or unspecified) processing...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001104
EISBN: 978-1-62708-214-3
... was considered to be caused by two mechanisms acting simultaneously. The first proposed failure mechanism was the combination of sulfur corrosion attack and carburization of the outer sections of the wire. The sulfur attack would have resulted from the high sulfur levels experienced through feedstock...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001109
EISBN: 978-1-62708-214-3
.../feedstock during mineral processing operations or by changing the in duration process parameters to provide conditions less favorable to the evaporation/condensation mechanism of salt deposition. Another is to specify an alloy that is more resistant to alkali sulfate/chloride-induced hot corrosion. A grade...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003554
EISBN: 978-1-62708-180-1
... radiography and removed, and the mercury absorption material was replaced. A similar failure has been reported in an aluminum alloy piping elbow in a cryogenic unit at an ethylene plant ( Fig. 1 ) ( Ref 6 , 7 ). In this case, the mercury was received in shipments of feedstock that contain up to 40 ppb...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... in an aluminum alloy piping elbow in a cryogenic unit at an ethylene plant ( Fig. 2 ) ( Ref 7 , 8 ). In this case, the mercury was received in shipments of feedstock that contain up to 40 ppb of mercury. The failure occurred in the girth welds at an elbow; these welds had been made using 5183 filler metal...