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hydrogen embrittlement

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Published: 01 January 2000
Fig. 64 Hydrogen embrittlement failure of a 300 M steel space shuttle orbiter nose landing gear steering collar pin. The pin was heat treated to a 1895-MPa (275 ksi) strength level. The part was plated with chromium and titanium-cadmium. (a) Pin showing location of failure (actual size). (b More
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Published: 01 January 2017
Fig. 4.40 Time to failure by hydrogen embrittlement of two heats of as-welded AL 29-4C stainless steel in ambient temperature synthetic seawater as a function of applied potential. After Ref 4.162 More
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Published: 01 January 2017
Fig. 5.37 Effect of environmental temperature on hydrogen embrittlement of alloy C-276. Environment: 4% NaCl + 05% CH 3 COOH + H 2 S (1 atm), coupled to carbon steel. Stressed to 90% yield. Alloy aged at 500 °C (930 °F) for 100 h. Source: Ref 5.41 More
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Published: 01 September 2008
Fig. 21 Intergranular fracture from hydrogen embrittlement, as seen through the SEM More
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Published: 01 September 2008
Fig. 40 Hydrogen embrittlement failure of an ISO 10.9 low-alloy steel bolt grade. (a) As-received bolt. (b) Multiple initiation sites with secondary cracks evident. (c) Intergranular fracture along prior-austenite grain boundaries More
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Published: 01 August 2005
Fig. 4.22 Test results of hydrogen embrittlement cracking of iron-nickel-cobalt steels. Source: Ref 4.31 More
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Published: 01 July 2000
Fig. 7.71 Potential ranges of stress-corrosion cracking by (I) hydrogen embrittlement, (II) cracking of unstable passive film, and (III) cracking initiated by pits near the pitting potential. Vertical dashed lines define potential range over which nonpassivating type films may crack under More
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Published: 01 October 2005
Fig. 5.11 Fault tree for hydrogen embrittlement. Source: Ref 28 More
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Published: 01 November 2012
Fig. 23 Transgranular and intergranular hydrogen embrittlement fractures. (a) Transgranular cleavage fracture in hydrogen embrittled annealed type 301 austenitic stainless steel; (b) Intergranular decohesion fracture in hydrogen embrittled 4130 steel heat treated to 1275 MPa (185 ksi). Source More
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Published: 01 December 2006
Fig. 8 Hydrogen embrittlement failure of a Ti-6Al-4V helium pressure vessel used on the Saturn IV B. Similar hydriding occurred in Apollo SPS pressure vessels. (a) Failed pressure vessel due to brittle hydride formation along weld bead made with commercially pure titanium. (b) Hydride at edge More
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Published: 01 August 2005
Fig. 16 Example of hydrogen-embrittled steel. Intergranular fracture in an AISI 4130 steel heat treated to an ultimate tensile strength of 1281 MPa (186 ksi) and stressed at 980 MPa (142 ksi) while being charged with hydrogen More
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Published: 01 June 2008
Fig. 18.21 Hydrogen-embrittled steels. (a) Transgranular cleavage fracture in a hydrogen-embrittled annealed type 301 austenitic stainless steel. (b) Intergranular decohesive fracture in 4130 steel heat treated to 1280 MPa (185 ksi) and stessed at 980 MPa (142 ksi) while being charged More
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Published: 01 January 2017
Fig. 3.9 Schematic of slow-crack-growth kinetics in steels due to hydrogen embrittlement. (a) Growth rate as a function of applied stress intensity. (b) Stage 2 (II) growth rate as a function of temperature. Source: Ref 3.22 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410439
EISBN: 978-1-62708-265-5
... shortness associated with copper and overheating and burning as occur during forging. It addresses various types of embrittlement, including quench embrittlement, tempered-martensite embrittlement, liquid-metal-induced embrittlement, and hydrogen embrittlement, and concludes with a discussion on high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270196
EISBN: 978-1-62708-301-0
... Abstract Fastening screws used in fuel-injection pumps failed during assembly and were examined to determine the cause. Based on observations and the result SEM fractography and hardness measurements, the screws failed by brittle intergranular fracture due to hydrogen embrittlement associated...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130285
EISBN: 978-1-62708-284-6
... of microstructural transformation. A section describing the types of embrittlement from tempering, along with mechanical tests for the determination of temper embrittlement (TE), is presented. Various factors involved in the interaction of the TE phenomenon with hydrogen embrittlement and liquid-metal embrittlement...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910099
EISBN: 978-1-62708-250-1
... hydrogen embrittlement, hydrogen-induced blistering, high-temperature hydrogen attack, and hydride formation). All these forms are addressed in this chapter in the context of aqueous corrosion. For each form, a general description is provided along with information on the causes and the list of metals...
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...