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hydrogen embrittlement

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090095
EISBN: 978-1-62708-266-2
..., polythionic acid, and high-temperature environments and the correlating effects on austenitic, ferritic, duplex, martensitic, and precipitation hardening stainless steels and nickel-base alloys. It also discusses the contributing effects of sensitization and hydrogen embrittlement and the role of composition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090333
EISBN: 978-1-62708-266-2
... vulnerable to SCC due to hydrogen embrittlement. This chapter presents findings from several studies on this phenomenon, describing test conditions as well as cracking and fracture behaviors. It also discusses the effect of deformation on corrosion behavior, particularly for alloys without strongly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
... stress cracking, hydrogen-induced cracking, stress-oriented hydrogen-induced cracking, hydrogen embrittlement cracking, stress-corrosion cracking, velocity-accelerated corrosion, erosion-corrosion, and corrosion control is provided. petroleum refineries petrochemical plants materials selection...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030148
EISBN: 978-1-62708-282-2
... have been collectively termed hydrogen embrittlement; this term persists even though it is improperly used to describe a multitude of failure modes involving hydrogen, several of which do not demonstrate the classical features of embrittlement (that is, reduced load-carrying capability or fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030215
EISBN: 978-1-62708-282-2
... 66. Spiedel M.O. , Hydrogen Embrittlement of Aluminum Alloys , Hydrogen Damage , American Society for Metals , 1977 , p 329 – 351 67. Darken L.S. et al. , Behavior of Hydrogen in Steel During and After Immersion in Acid , Hydrogen Damage , American Society for Metals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... ,” EPRI Final Report, Project 2163-4, Electric Power Research Institute , Aug 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030003
EISBN: 978-1-62708-282-2
... corrosion in which the external influence on the corrosion process is stress. For stress-corrosion cracking, the stress is often externally applied. For hydrogen damage, liquid metal induced embrittlement, and solid metal induced embrittlement, the stress is induced by reactions with the environment. In...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030176
EISBN: 978-1-62708-282-2
... belonging to the stainless steel group and currently are produced, with alloy content adjusted to give improved resistance to pitting and crevice corrosion, intergranular corrosion caused by sensitization, stress-corrosion cracking (SCC) and hydrogen embrittlement, general corrosion, and attack by high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030070
EISBN: 978-1-62708-282-2
... on a hydrogen embrittlement model, is that the additional copper content leads to more copper incorporation into precipitates, which in turn provides enhanced trapping of hydrogen, thereby slowing the rate of hydrogen embrittlement ( Ref 21 ). ...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030117
EISBN: 978-1-62708-282-2
... environmental cracking mechanisms, SCC and hydrogen embrittlement, is shown in Fig. 27 . Many investigations have attempted to link the mechanisms of corrosion fatigue and other environmental cracking processes (especially SCC); examples of these include Ref 35 to 38 . There are, however, many unanswered...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
... hydrogen embrittlement mechanisms, and, in the latter case, failure may be especially likely at low-heat-input welds because of the enhanced susceptibility of the hardened structures inevitably formed. Most SCC studies of welds in carbon and carbon-manganese steels have evaluated resistance to hydrogen...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030184
EISBN: 978-1-62708-282-2
.... Larger voltages can have disadvantages. It is possible to overprotect high-strength steels and cause hydrogen embrittlement. Coating debonding is also possible ( Fig. 7 ). Debonding occurs when moisture penetrates a coating and hydrogen is generated at the metal surface beneath the coating. The gas can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... materials often exhibit greater sensitivities to environmentally assisted cracking, EAC (e.g., SCC and hydrogen embrittlement cracking, HEC). Therefore, these materials often require special developments in alloy composition and/or metallurgical processing to provide for increased resistance to EAC at...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030045
EISBN: 978-1-62708-282-2
.... Altering or neutralizing corrosive substances. Organic compounds related to biofilm formation have been reported to decrease hydrogen embrittlement and cracking by hindering the dissolution, dissociation, and adsorption of hydrogen ( Ref 104 ). The concept of using regenerative biofilms for corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030062
EISBN: 978-1-62708-282-2
... steels to obtain greater resistance to hot cracking, appears to reduce pitting resistance as well as the resistance to strong acids. The presence of martensite may render the steels susceptible to hydrogen embrittlement under some conditions. Martensite can be produced by the deformation of unstable...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030112
EISBN: 978-1-62708-282-2
... multipass applications. Fig. 1 Schematic of a weld cross section. Source: Ref 3 Tantalum reacts with oxygen, nitrogen, and hydrogen at elevated temperatures. The absorption of these interstitial elements, often called a gettering reaction, produces a sharp reduction in ductility and can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030096
EISBN: 978-1-62708-282-2
... with the partial pressure of nitrogen in the GTA weld shielding gas. The increase in weld metal nitrogen content is greater when nitrogen is mixed with an oxidizing gas, such as carbon dioxide (CO 2 ), than with either a reducing (hydrogen) or a neutral (argon) gas. Porosity and concavity are observed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030074
EISBN: 978-1-62708-282-2
... system. Thus, a reducing condition is generally controlled by the discharge of hydrogen from a reducing acid, such as hydrochloric acid. An oxidizing environment has a potential that is higher than the potential for hydrogen discharge. This potential may be established by cathodic reactions, such as...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
... (ESP), or progressive cavity pump. Severe corrosion problems can be identified by excessive rod, pump, and tubing failures. Embrittlement and pitting result in reduced rod life and fatigue failures, which are greatly accelerated by the presence of H 2 S. Hydrogen sulfide and high water volumes are...