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hydrogen reaction 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
... of hydrogen embrittlement discussed include internal reversible hydrogen embrittlement, hydrogen environment embrittlement, and hydrogen reaction embrittlement. The article describes preservice and early-service fractures of commodity-grade steel components suspected of hydrogen embrittlement. Some prevention...
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
... a Definition <xref rid="a0003667-ref1" ref-type="bibr">(Ref 1)</xref> Sources of Hydrogen Source of Stress Testing Interpretation of Test Results Prevention and Control Hydrogen Environment Embrittlement Hydrogen Reaction Embrittlement Standardized Tests Cantilever Beam (CB) Test...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001371
EISBN: 978-1-62708-173-3
..., and solid-state transformations. It describes the electroslag process development and the applications of electroslag and electrogas processes. The article concludes with a discussion on weld defects, such as temper embrittlement, hydrogen cracking, and weld distortion. electrogas welding electroslag...
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
... hand, when cracking is accentuated by current in the opposite direction, the hydrogen-evolution reactions are accelerated, and the cracking process is considered to be dominated by hydrogen embrittlement. These two basic types of environmental conditions have different phenomenological effects...
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
... clarified definitions. One classification breaks hydrogen embrittlement into three types ( Ref 3 , 4 ): Internal reversible hydrogen embrittlement Hydrogen environment embrittlement Hydrogen reaction embrittlement This division is roughly equivalent to the classification of hydrogen...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.9781627081825
EISBN: 978-1-62708-182-5
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001268
EISBN: 978-1-62708-170-2
... baths. Mechanical plating deposits metals while eliminating or at least minimizing the risk of embrittlement caused by the coating process itself. A hydrogen-producing reaction does occur in mechanical plating: (Eq 1) Zn   metal + 2 H + → H 2 ( gas ) + Zn...
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
...Intermetallic compounds embrittled by moisture or hydrogen at ambient temperature Table 3 Intermetallic compounds embrittled by moisture or hydrogen at ambient temperature Alloy Agent Crystal structure (a) Ni 3 (Al,Ti) single crystal Moisture L1 2 Ni 3 Al + B Moisture L1 2...
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
.... Hydrogen embrittlement was noted (*). Adapted from Ref 50 Fig. 1 Corrosion rates of tantalum in fuming H 2 SO 4 (oleum), concentrated H 2 SO 4 , and 85% H 3 PO 4 . Source: Ref 6 Fig. 2 Corrosion resistance of tantalum in H 3 PO 4 at various concentrations and temperatures. Source...
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
... 1986 38. Jones R.H. , Bruemmer S.M. , Thomas M.T. , and Baer D.R. , Influence of Sulfur, Phosphorus, and Antimony Segregation on the Intergranular Hydrogen Embrittlement of Nickel , Metall. Trans. A , Vol 14A , 1983 , p 223 39. Staehle R.W. et al...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006087
EISBN: 978-1-62708-175-7
... such as precipitation from salt solution and gas, chemical embrittlement, hydride decomposition, and thermite reactions are also discussed. The article also discusses the methods used to produce powders electrolytically and the types of metal powders produced. The physical and chemical characteristics of these powders...
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
...Abstract Abstract Stress-corrosion cracking (SCC) occurs under service conditions, which can result, often without any prior warning, in catastrophic failure. Hydrogen embrittlement is distinguished from stress-corrosion cracking generally by the interactions of the specimens with applied...
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
... by current in the opposite direction, which accelerates the hydrogen-evolution reaction, are considered to be hydrogen embrittlement. Tests for hydrogen embrittlement are performed to determine the effect of hydrogen damage in combination with residual or applied stresses. In the past decade...
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...
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: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003828
EISBN: 978-1-62708-183-2
... Fig. 19 The initial reaction rate of uranium bearing an air-formed oxide with hydrogen gas at 25 °C (77 °F) exhibits a cubic dependence on time. The inset micrographs show that, as time progresses, hydride sites grow and new sites are initiated. Crown copyright—used by permission. Source: Ref 82...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... and metal dusting, sulfidation, hot corrosion, chloridation, hydrogen interactions, molten metals, molten salts, and aging reactions including sensitization, stress-corrosion cracking, and corrosion fatigue. It concludes with a discussion on various protective coatings, such as aluminide coatings, overlay...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001492
EISBN: 978-1-62708-173-3
.... Thermodynamic calculations can also be carried out to relate these potentials to the partial pressures of CO and CO 2 . The water vapor content, similar to that of CO 2 , is usually expressed as the dew point of the gas. In the case of a hydrogen-rich atmosphere, it is the hydrogen-oxygen reaction alone...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002361
EISBN: 978-1-62708-193-1
... the activation energy for corrosion fatigue crack growth and the activation energy for water vapor/steel surface reaction kinetics suggests that the surface reaction is the rate limiting process for crack growth and the hydrogen produced during the surface reaction is responsible for the embrittlement...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003142
EISBN: 978-1-62708-199-3
.... At temperatures above 75 °C (170 °F), however, the hydrogen may diffuse into the titanium metal, causing embrittlement. In some environments, titanium hydride is unstable and decomposes or reacts, with a resultant loss of metal. Anodic control of the corrosion reaction predominates when titanium is exposed...