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hydrogen environment embrittlement

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... to Gaseous Hydrogen EmbrittlementHydrogen embrittlement, in classic form, is reversible, in that the damage should be eliminated by removing the hydrogen. However, hydrogen can also cause permanent damage from exposure to environmental hydrogen during service. Gaseous environments containing hydrogen...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003667
EISBN: 978-1-62708-182-5
... contoured to 3 a 2 / h 3 + 1/ h = C , where C is a constant. All values given in inches (1.0 in. = 25.4 mm) Fig. 7 Hydrogen embrittlement crack growth rate as a function of applied stress intensity for two different hardnesses and environments for an AISI 4340 steel, contoured double...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003225
EISBN: 978-1-62708-199-3
... range of failures, including fatigue failure, distortion failure, wear failure, corrosion failure, stress-corrosion cracking, liquid-metal embrittlement, hydrogen-damage failure, corrosion-fatigue failure, and elevated-temperature failure. This article describes the classification of fractures...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002388
EISBN: 978-1-62708-193-1
... of tensile stress and the presence of a specific corrosive environment. This article provides an overview of the anodic dissolution mechanisms and cathodic mechanisms for SCC. It discusses the materials, environmental, and mechanical factors that control hydrogen embrittlement and SCC behavior of different...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003825
EISBN: 978-1-62708-183-2
... a discussion on hydrogen embrittlement, the galvanic effects, and cathodic protection of tantalum and describes the corrosion resistance of different types of tantalum-base alloys. References 1. Chelius J. , Use of Refractory Metals in Corrosive Environment Service , Mater. Eng. Q. , Aug...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003130
EISBN: 978-1-62708-199-3
... by test direction, because the fracture that results from this type of attack is predominantly transgranular. Only recently has it been determined that hydrogen embrittles aluminum. For many years, all environmental cracking of aluminum and aluminum alloys was represented as SCC; however, testing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003225
EISBN: 978-1-62708-199-3
... to a wide range of failures, including fatigue failure, distortion failure, wear failure, corrosion failure, stress-corrosion cracking, liquid-metal embrittlement, hydrogen-damage failure, corrosion-fatigue failure, and elevated-temperature failure. This article describes the classification of fractures...
Book Chapter

By Bruce Craig
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003634
EISBN: 978-1-62708-182-5
... Table 1 Classifications of processes of hydrogen degradation of metals     Hydrogen embrittlement Hydrogen attack Blistering Shatter cracks, flakes, fisheyes Micro-perforation Degradation in flow properties Metal hydride formation Hydrogen environment embrittlement Hydrogen...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003309
EISBN: 978-1-62708-176-4
... than 10 to less than 10 −10 mm/s depending on the environment, load condition, and material. In broad terms, environmentally assisted cracking includes stress-corrosion cracking, hydrogen embrittlement, and corrosion fatigue. Although these phenomena represent distinct forms of cracking, they also...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
.... , Environmental Degradation of Metals , Marcel Dekker , 2001 10.1201/9781482292244 2. Hirth J.P. , Theories of Hydrogen Induced Cracking , Hydrogen Embrittlement and Stress Corrosion Cracking , Gibala R. and Hehemann R.F. , Ed., American Society for Metals , 1984 , p 29 – 41...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003243
EISBN: 978-1-62708-199-3
... in a thin specimen by enhancing stress triaxiality. This method has been used extensively to study the effect of heat treatment (hardness) and environment on hydrogen stress cracking of AISI type 4340 steels ( Fig. 14 ). Fig. 14 Hydrogen embrittlement crack growth rate as a function of applied stress...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... fracture may be fracture at elevated temperature, but it could also include interaction of the material with the environment. This would include hydrogen embrittlement, liquid metal embrittlement, solid metal embrittlement, oxidation or reduction potentially in the grain boundaries, radiation embrittlement...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003243
EISBN: 978-1-62708-199-3
... condition in a thin specimen by enhancing stress triaxiality. This method has been used extensively to study the effect of heat treatment (hardness) and environment on hydrogen stress cracking of AISI type 4340 steels ( Fig. 14 ). Fig. 14 Hydrogen embrittlement crack growth rate as a function...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
... include interaction of the material with the environment. This would include hydrogen embrittlement, liquid-metal embrittlement, solid-metal embrittlement, oxidation or reduction potentially in the grain boundaries, radiation embrittlement, and SCC. Because the appearance of IG fracture is relatively...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003632
EISBN: 978-1-62708-182-5
... with a predictable growth rate or, as is often the case, unpredictable catastrophic fracture. The subsection is divided into four articles (after this brief introduction). Each addresses a specific type of cracking or embrittlement phenomena: stress-corrosion cracking (SCC), hydrogen damage (frequently referred...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001831
EISBN: 978-1-62708-181-8
... that significantly affect the fracture propagation rate and fracture appearance. The external environment includes hydrogen, corrosive media, low-melting metals, state of stress, strain rate, and temperature. The mechanism of stress-corrosion cracking in metals such as steels, aluminum, brass, and titanium alloys...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001039
EISBN: 978-1-62708-161-0
... Abstract This article examines the embrittlement of iron and carbon steels. It describes compositional, processing, and service conditions that contribute to the problem and presents examples of how embrittlement influences mechanical properties. Embrittlement due to hydrogen is the most common...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003636
EISBN: 978-1-62708-182-5
..., therefore, can be interpreted less ambiguously than similar effects in other environments, such as hydrogen and temper embrittlement of metals. Thus, solid-liquid environmental effects provide a unique opportunity to study embrittlement mechanisms in a simple and direct manner under controlled conditions...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003702
EISBN: 978-1-62708-182-5
... ductile materials under the stress resulting from accelerated electrochemical corrosion at anodic sites of the material as well as at the crack tip. Other types of environmental cracking, such as hydrogen stress cracking and liquid metal embrittlement, are discussed later in this article. Table 3...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003633
EISBN: 978-1-62708-182-5
..., and aluminum alloys, although ferritic steels show the most evidence of this mechanism. The effects of factors such as yield strength, impurity segregation, and temperature on the crack growth behavior of ferritic materials in aqueous environments all follow the trends of gaseous hydrogen embrittlement...