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environmentally assisted cracking

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090317
EISBN: 978-1-62708-266-2
... Abstract Uranium alloys are used in applications requiring dense metals, but they have little resistance to oxidation and corrosion and are susceptible to environmentally assisted cracking, particularly when processed to high strength levels. This chapter describes the conditions under which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870099
EISBN: 978-1-62708-299-0
... Abstract Environmentally assisted cracking is a generic term that includes various cracking phenomena such as stress-corrosion cracking (SCC), corrosion fatigue cracking, and liquid-metal embrittlement. This chapter describes these cracking mechanisms beginning with SCC and the factors...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910099
EISBN: 978-1-62708-250-1
... corrosion; galvanic corrosion; erosion-corrosion, including cavitation erosion and fretting corrosion; intergranular corrosion, including sensitization and exfoliation; dealloying; environmentally assisted cracking, including stress-corrosion cracking, corrosion fatigue, and hydrogen damage (including...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820013
EISBN: 978-1-62708-339-3
.... It describes the issues related to corrosion of carbon steel weldments and remedial measures that have proven successful in specific cases. The major forms of environmentally assisted cracking affecting weldment corrosion are covered. The chapter concludes with a discussion of the effects of welding practice...
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Published: 01 December 2015
Fig. 4 Schematic of crack tip processes that may be the rate-determining step in environmentally assisted crack propagation More
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Published: 01 January 2017
Fig. 1.5 Schematic of crack-tip processes that may be the rate-determining step in environmentally assisted crack propagation. For this illustration, an internal hydrogen embrittlement mechanism is assumed in order to maximize the number of possible rate-determining steps. More
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Published: 01 January 2017
Fig. 12.1 Effect of composition on physical metallurgy, general corrosion resistance, and environmentally assisted cracking trends in quenched uranium alloys. Source: Ref 12.11 More
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Published: 01 January 2017
Fig. 5.1 Schematic potential-pH diagram for a corrosion-resistant alloy indicating different regimes of environmentally assisted cracking. For simplicity, only the regions of iron stability are shown. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090443
EISBN: 978-1-62708-266-2
...(2013): Standard test method for determining threshold stress intensity factor for environmentally-assisted cracking of metallic materials. ASTM E1823: Standard terminology related to Fatigue and Fracture testing. ASTM G30: Practice for making and using U-Bend stress-corrosion test specimens...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030003
EISBN: 978-1-62708-282-2
... Abstract This chapter provides an introduction to various forms of corrosion, namely uniform corrosion, localized corrosion, mechanically assisted degradation, environmentally induced cracking, microbiologically influenced corrosion, and metallurgically influenced corrosion. uniform...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930163
EISBN: 978-1-62708-359-1
... High-temperature creep Fracture includes the conventional static failure modes, such as brittle fracture, ductile fracture, plastic collapse, buckling, as well as dynamic fracture. Fatigue failure is caused by cyclic loading. Environmentally assisted cracking includes corrosion, stress-corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090191
EISBN: 978-1-62708-266-2
... Abstract Irradiation-assisted stress-corrosion cracking (IASCC) has been a topic of engineering interest since it was first reported in the 1960s, having been observed in stainless steel cladding on light water reactor fuel elements. This chapter summarizes the results of decades...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... Committee on Environmentally Assisted Cracking Test Methods for High-Strength Weldments published the following guidelines on SCC testing of weldments ( Ref 26 ). Fracture mechanics of cracked bodies was found to be a valid and useful approach for designing against environmentally assisted cracking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... of environmentally induced or assisted crack propagation. However, in this discussion, the focus is on the normal usage of the term as defined subsequently. One frequent misconception is that SCC is the result of stress concentration at corrosion-generated surface flaws (as quantified by the stress-intensity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270059
EISBN: 978-1-62708-301-0
... completely during filling of compressed natural gas from a gas well after six months of service. The steel was A-372 class 5, quenched and tempered to a tensile strength of 1100 to 1170 MPa (160 to 170 ksi). The cause of the rupture was environmentally assisted cracking due to water and hydrogen sulfide...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.9781627082662
EISBN: 978-1-62708-266-2
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080001
EISBN: 978-1-62708-304-1
... of these subjects are covered in Chapter 14, “Stress-Assisted Corrosion and Cracking.” The subject of erosion and erosion/corrosion is also reviewed with an attempt to offer readers general guidance on materials selection and application. Discussion also includes hydrogen attack of carbon steels in boilers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... as SCC proceeds, with the role of stress being negligible at first and then becoming dominant as subcritical cracking advances. Environmental action must always be involved, although it may be dominant only at first. The preexistence of a mechanical flaw or crack in the stressed metal may of course alter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
... defined: the type of loading involved, the types of materials involved, the types of environments that cause SCC, and the nature of the interactions that result in this phenomenon. The term stress-corrosion cracking is frequently used to describe any type of environmentally induced or assisted crack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090135
EISBN: 978-1-62708-266-2
... be attributed to the increasing diversity of the application of nickel-base alloys, greater knowledge of service performance, and improved testing methods. In a qualitative way, the panoply of environmentally assisted cracking (EAC) of nickel-base alloys and stainless steels in aqueous solutions can...