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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 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870099
EISBN: 978-1-62708-299-0
... corrosion pit. Source: Ref 17 Abstract 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910099
EISBN: 978-1-62708-250-1
..., and poultice 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820013
EISBN: 978-1-62708-339-3
... of each class. 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...
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 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090443
EISBN: 978-1-62708-266-2
... data during stress corrosion testing). ASTM E1682-02(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...
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 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270059
EISBN: 978-1-62708-301-0
... of 1100 to 1170 MPa (160 to 170 ksi). The cause of the rupture was environmentally assisted cracking due to water and hydrogen sulfide in the gas (500 ppm). Following this mishap, the regulations were modified to limit the maximum tensile strength to 870 MPa (126 ksi). Gas purity requirements were...
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030039
EISBN: 978-1-62708-282-2
... forms of material degradation. Engineering structures as diverse as lap joints in aircraft, flanged pipes in chemical-processing plants, metal surfaces under initially protective coatings, and environmentally assisted cracks in metallic materials all have an occluded solution. This similitude...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... Research Laboratory , 1972 , p 17 – 78 17.27 Wei R.P. , Novak S.R. , and Williams D.P. , Some Important Considerations in the Development of Stress Corrosion Cracking Test Methods , Mater. Res. Stand. , Vol 12 , 1972 , p 25 17.28 “ Characterization of Environmentally...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030074
EISBN: 978-1-62708-282-2
... reducing conditions in the active region of potentials and also under oxidizing conditions in the form of a slow, passive corrosion. Localized corrosion, such as pitting and crevice corrosion, generally occurs under oxidizing conditions. Stress-corrosion cracking (SCC) or environmentally assisted cracking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090191
EISBN: 978-1-62708-266-2
... Research Institute 6.75 Taylor D.F. and Caramihas C.A. , High Temperature Aqueous Crevice Corrosion in Alloy 600 and 304L Stainless Steel , Localized Crack Chemistry and Mechanics of Environmentally Assisted Cracking , American Institute of Mining, Metallurgical, and Petroleum...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870219
EISBN: 978-1-62708-299-0
..., exposure, inspection, and evaluation for conducting exfoliation tests in both laboratory accelerated environments and in natural, outdoor atmospheres. G 129 Practice for Slow Strain Rate Testing to Evaluate the Susceptibility of Metallic Materials to Environmentally Assisted Cracking Describes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090221
EISBN: 978-1-62708-266-2
.... and Dodd R.A. , Mechanisms of Transgranular Stress Corrosion Cracking of Solid Solution Alloys , Corrosion , Vol 21 , 1965 , p 161 10.5006/0010-9312-21.5.161 7.43 Sorensen N.R. , The Environmentally Assisted Failure of Cusil in Mattsson’s Solution , Corrosion , Vol 42 ( No. 5...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820001
EISBN: 978-1-62708-339-3
... in strains that can cause distortion and residual stress. These residual stresses can be important in the initiation and propagation of environmentally assisted cracking. The use of small weld deposits reduces the stress and thus reduces the susceptibility of environmentally enhanced cracking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... (and also in polymers) is described as cyclic fatigue (or dynamic fatigue) and static fatigue (or environmentally induced fatigue). In this book, these terms are equivalent to the conventional meaning of fatigue ( S-N or da/dN ) and crack growth under sustained load ( da/dt ), respectively. S-N fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
... be effective in minimizing the geometric effects. A stress-relieving heat treatment may be effective in reducing residual stress (internal weld shrinkage stress) and metal hardness to safe levels in most cases of concern regarding environmentally assisted cracking (stress-corrosion cracking and sulfide...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090135
EISBN: 978-1-62708-266-2
... ). This growth can 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910001
EISBN: 978-1-62708-250-1
... Intergranular corrosion, including sensitization and exfoliation Dealloying, including dezincification and graphitic corrosion Environmentally assisted cracking, including stress-corrosion cracking, corrosion fatigue, and hydrogen damage In theory, the eight forms of corrosion are clearly distinct...