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non-heat-treatable aluminum alloy products

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001140
EISBN: 978-1-62708-227-3
... Abstract Several pressurized air containers (i.e., diving tanks) made of non-heat-treatable Al-5Mg aluminum alloy failed catastrophically. Catastrophic failure occurred when a subcritical stress corrosion crack reached a critical size. Critical crack size for unstable propagation was reached...
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
... operations. Secondary operations such as heat treating, machining, coating, and joining can present conditions that may cause the casting to fail. These issues are left to other articles in this Volume to address. This article is dedicated to those issues related to failures caused by production and intended...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... are anodic to the main body of the metal and therefore less resistant to corrosion because of precipitated phases, depletion, enrichment, or adsorption. In wrought high-strength heat treatable aluminum alloys, paths of stress-corrosion cracks are always intergranular, because the thermal treatments...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... temper designation has been solution heat treated and artificially aged to maximum strength. For more information, refer to Properties and Selection: Nonferrous Alloys and Special-Purpose Materials , Volume 2 of the ASM Handbook , 1990. An aluminum alloy with a T7 temper designation has been solution...
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 Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001648
EISBN: 978-1-62708-234-1
... ). 1 , 2 Laboratory Examination Verification of Chemical Composition The results of the chemical analysis are presented in Table 1 . The coupling material was specified as type 416 stainless steel, and the analysis results verified this composition. 3 Type 416 is a heat treatable, free...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... products that are present in steel. The first step in the transformation process is to heat the steel to its austenitizing temperature. The steel is then cooled rapidly to avoid the formation of pearlite, which is a relatively soft transformation product; to maximize the formation of martensite...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001703
EISBN: 978-1-62708-227-3
... the chemical composition of the broken spindle, and its associated components.The stud, spacers, and washers were made from alloy AISI 430F (UNS S43020) free-machining stainless steel. Alloy 430F is a non heat-treatable ferritic stainless steel sulphurized to increase machinability. Except in thin sections...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... and localized embrittlement at the crack tips. The recommendation from this analysis was to perform stress-relief heat treatments to reduce residual-stress levels after welding non-pressure-retaining components to certain pressure shells. This treatment should reduce residual stresses and lessen...
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
... a broader engineering failure. Note that some non-fracture-failure scenarios may ultimately lead to fracture. Wear processes, for example, can ultimately lead to fracture by galling and/or fretting fatigue. Other examples include fatigue crack initiation at surface pits from corrosion, cyclic loading...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
... reduced by improper heat treatment (e.g., incipient melting, temper embrittlement, improper age hardening) by processing (hydrogen embrittlement due to plating baths). Therefore, it is necessary to understand: Why some materials are inherently ductile or brittle, and How part geometry...