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Transgranular corrosion

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
.... It represents a major form of corrosion failure and has a complex dependence on various mechanical, electrochemical, and metallurgical factors. Stress-corrosion cracks can be transgranular, intergranular, or both and may grow gradually over a period of time until they reach a critical size, resulting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090257
EISBN: 978-1-62708-266-2
... (branching). Initiation of these cracks invariably occurs at corrosion pits ( Ref 9.39 , 9.47 , 9.57 , 9.58 ). Transgranular SCC fractures in wrought magnesium alloys are typically crystallographic in appearance ( Fig. 9.4 ), with coarse, parallel markings corresponding to a stepped, faceted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090221
EISBN: 978-1-62708-266-2
... in Mattsson’s Solution Under Potentiostatic Conditions , Corros. Sci. , Vol 12 , 1972 , p 217 10.1016/S0010-938X(72)90660-9 7.30 Alvarez M.G. et al. , Anodic Rate-Controlling Steps in Transgranular Stress Corrosion Cracking of α-Brass in NaNO 2 Solutions , Corros. Sci. , Vol 24 ( No. 9...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... Potentiokinetic polarization curve and electrode potential values at which intergranular and transgranular stress-corrosion cracking appear in a 10% NaOH solution at 288 °C (550 °F). (a) Alloy 600. (b) Alloy 800. (c) AISI type 304 stainless steel Fig. 14 Potential-pH diagram (Pourbaix) for iron in water...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
..., such as those in Table 1.1 . In recent years, the number of such combinations has increased. Added to this list are the transgranular SCC of copper, the intergranular SCC of pure metals such as iron and nickel, and the SCC of materials in high-purity water in the absence of specific anions. Stress-corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090303
EISBN: 978-1-62708-266-2
... (a) RT, room temperature; BP, boiling point. (b) U, U-bend; T, tensile; SR, split ring; SSRT, slow-strain-rate tensile; C, C-ring; DCB, double cantilever beam. (c) IG, intergranular; TG, transgranular 11.1.1 Aqueous Solutions Oxidizing Chloride Solutions 11.1.2 Organic Liquids...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270025
EISBN: 978-1-62708-301-0
... in the microstructure. Cracks due to stress corrosion, hydrogen embrittlement, and liquid metal embrittlement are generally intergranular with some exceptional situations. Fatigue cracks are transgranular. If a stress-corrosion crack propagates by fatigue, the transition from intergranular to transgranular mode can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090271
EISBN: 978-1-62708-266-2
... and Space Administration , June 1968 10.40 Hickman B.S. , Williams J.C. , and Marcus H.L. , Transgranular and Intergranular Stress-Corrosion Cracking of Titanium Alloys , Austral. Inst. Met. , Vol 14 ( No. 3 ), 1969 , p 138 10.41 Haney E.G. and Wearmouth W.R...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540047
EISBN: 978-1-62708-309-6
... with creep and stress rupture, stress corrosion, and hydrogen embrittlement. brittle fracture ductile fracture ductility residual stress stress-strain curve THE THREE TYPES OF IDEAL SUBSTANCES (as discussed in Chapter 1 ) are the Hooke solid, the St. Venant solid, and the Newtonian liquid...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240265
EISBN: 978-1-62708-251-8
... of elevated fracture, namely, rupture, transgranular fracture, and intergranular fracture. The next section focuses on some of the metallurgical instabilities caused by overaging, intermetallic phase precipitation, and carbide reactions. Subsequent sections address creep life prediction and creep-fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... of transgranular slip (ductile fracture), transgranular brittle fracture (cleavage), or intergranular fracture (crack propagation between grains). These different types of fracture lead to distinctly different fracture surface morphologies, as seen in Fig. 16.19 . Each of these distinct features can reveal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... Fig. 14 Micrograph, original magnification at 200×, of a transverse section from a specimen of austenitic stainless steel, showing a branching, transgranular stress-corrosion crack Fig. 15 Fracture surface of a high-strength steel part that failed from stress corrosion, showing progression...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090043
EISBN: 978-1-62708-266-2
.... Original magnification: 100×. Source: Ref 2.16 Fig. 2.2 Scanning electron fractograph of intergranular SCC in a modified MSI 4340 steel exposed to a saltwater environment. Original magnification: 1800×. Source: Ref 2.17 Transgranular fracture, sometimes described as “cleavagelike...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... crack growth rate for 2.25Cr-1Mo steel tested in air. R = 0.05; cyclic frequency of 400/min. Source: Ref 18 Fig. 4 Variation of minimum creep rate with stress for a normalized and tempered 1.25Cr-0.50Mo steel. T and I denote transgranular and intergranular failure, respectively. Source...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430325
EISBN: 978-1-62708-253-2
... are typically parallel and wedge shaped, relatively wide and blunt. They are typically straight and branched. These cracks are transgranular in nature and usually filled with scales. Cracking due to corrosion fatigue is often found close to regions of physical restraint such as connections to inlet or outlet...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.9781627082563
EISBN: 978-1-62708-256-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... path, although normally transgranular, can be intergranular. For example, intergranular fatigue cracking can occur in the case of a carburized steel or in a material that has a high density of second-phase particles at the grain boundaries. Corrosion-fatigue and stress-corrosion cracks may...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170417
EISBN: 978-1-62708-297-6
... of equiaxed α alloys diminishes with decreasing grain size. Depending on the alloy, transformation to martensitic phase structure may or may not improve SCC resistance. The SCC fracture mode in α alloys is transgranular, with the fracture path highly oriented in unidirectionally processed (textured) material...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090135
EISBN: 978-1-62708-266-2
...-Mo-Fe alloys. In all the cases where cracking was observed, considerable corrosion was also observed. The addition of H 2 S to 17% HCl has been shown to induce transgranular cracking in alloys 825, C-276, and C-22 even at room temperature ( Ref 5.27 ). Stress-corrosion cracking of nickel-base...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.9781627082709
EISBN: 978-1-62708-270-9