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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.a0006835
EISBN: 978-1-62708-329-4
... solidification, some degree of banding carries over to the wrought form. If banding is severe, it can lead to discontinuities that cause premature failure. Excessive segregation also can have an adverse effect on subsequent fabrication and heat treatment. In heat treatable alloys, variations in composition...
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.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: 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.a0006816
EISBN: 978-1-62708-329-4
... are lowered by high carbon and alloy content, can undergo eutectic melting at temperatures as low as 1120 °C (2050 °F). Solution treating of heat treatable aluminum alloys also is done very near the eutectic temperature. Temperature control is essential to avoid incipient melting in grain-boundary regions...
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
... also can have an adverse effect on subsequent fabrication and heat treatment. In heat treatable alloys, variations in composition can produce unexpected responses to heat treatments, which result in hard or soft spots, quench cracks, or other flaws. Excessive segregation that leads to significant...
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 Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... did not attain its specified shape in the free state following this operation. Another material deficiency that can lead to deformation failure is variability in response to heat treatment among parts in a given production lot. Certain alloys, particularly hardenable low-alloy steels and some...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... presetting; therefore, the spring did not attain its specified shape in the free state following this operation. Another material deficiency that can lead to deformation failure is variability in response to heat treatment among parts in a given production lot. Certain alloys, particularly hardenable low...
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
... the embrittlement effects of strain aging. Preweld and postweld heating are used for relief of internal stress and elimination of hydrogen. However, temperatures to which parts are heated should be selected with care; carbon steels and many alloy steels may undergo a decrease in toughness from embrittlement...
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
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
... be drastically reduced by improper heat treatment (e.g., incipient melting, temper embrittlement, improper age hardening) or by processing (hydrogen embrittlement due to plating baths). Therefore, it is necessary to understand: Why some materials are inherently ductile or brittle How part geometry...
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...