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transgranular cracks

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Published: 01 December 2018
Fig. 6.109 (a) Transgranular crack initiating from a pit on ID surface, 200×. (b) Heat-affected zone comprising fine dendritic structure of ferrite and carbides surrounded by grain boundary primary ferrite, 200× More
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Published: 01 September 2008
Fig. 18 Region adjacent to the fractured region showing a transgranular crack generated in the casting process and masked by material deformation during the radio machining process, with propagation directed to the internal diameter More
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Published: 01 January 2017
Fig. 18.20 Chloride cracking in a sensitized steel thermowell pipe cap weld. (a) Cracking was contained in the region of the circumferential weld. (b) Carbide enrichment is observed in the austenitic grain boundaries. Multiple transgranular crack segments are also visible. Marble’s reagent More
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Published: 01 August 2005
Fig. 2.98 Stress-corrosion cracking in an extruded Mg-6Al-1Zn alloy tested in a salt-chromate solution. (a) Intergranular crack propagation in the face-cooled alloy. (b) Transgranular crack propagation in the water-quenched material. Source: Ref 2.72 More
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Published: 01 December 2015
of the tank. 25×. 10% oxalic acid etch. (b) Higher-magnification view of cracks. These branched transgranular cracks are typical of chloride stress-corrosion cracking of austenitic stainless steel. 250×. 10% oxalic acid etch. Source: Ref 39 More
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Published: 01 December 2018
Fig. 6.136 (a) SEM image with fatigue striations on the fracture surface of a stainless steel tube, 1000×. (b) Microstructure indicating transgranular cracks with blunt tip and filled with oxide, 400× More
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Published: 01 December 2015
consists of pores of 3 nm in diameter. Both intergranular and transgranular cracking are common in these materials. More
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...
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Published: 01 December 2018
Fig. 6.100 Cracking due to SCC, (a) transgranular, 200×; (b) intergranular, 300× More
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Published: 01 January 2017
Fig. 18.2 Typical evidence of feathery transgranular stress-corrosion cracking (SCC) rupture in an 18Cr-9Ni austenitic stainless steel in a hot MgCl 2 solution. Original magnification: 2100×. Source: Ref 18.7 More
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Published: 01 December 2015
Fig. 8 Transgranular near-neutral-pH stress-corrosion crack in Nital etchant. Original magnification: 100× More
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Published: 01 July 2000
Fig. 7.97 Transition from transgranular to intergranular cracking that has occurred by a process of multiple crack nucleation followed by coalescence. 18Cr-10Ni steel in MgCl 2 solution boiling at 154 °C. Source: Ref 156 More
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Published: 01 July 2000
Fig. 7.105 Single, straight, transgranular stress-corrosion crack with only microscopic branches. Conditions can be found in Fig. 7.104 . Source: Ref 165 More
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Published: 01 December 2006
Fig. 5 Microphotograph of the crack, showing transgranular path through the base metal. 500× More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090303
EISBN: 978-1-62708-266-2
...+ in acidic chloride solutions such as HCl also significantly increases the SCC susceptibility of zirconium ( Ref 11.5 ). It has been found that zirconium is susceptible to transgranular SCC in <24% HCl and to intergranular SCC in ≥24% HCl. It is clear that altering the environment can change the cracking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090221
EISBN: 978-1-62708-266-2
... locations around the United States. These components, typically manufactured from an α-β brass, exhibited SCC in potable water service. The fracture morphology is mixed mode, consisting of transgranular cracking through the β phase and intergranular cracking at the α-β interface. One study indicates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130285
EISBN: 978-1-62708-284-6
... are also provided. The cases covered are grinding cracks on steel cam shaft and transgranular and intergranular crack path in commercial steels. tempering steel mechanical test temper embrittlement hydrogen embrittlement liquid-metal embrittlement isothermal heat treatment grinding cracks...
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
... micrograph showing blunt crack tips. Propagation of some of these cracks through the thickness of the tube gives rise to final fracture. Fig. 6.136 (a) SEM image with fatigue striations on the fracture surface of a stainless steel tube, 1000×. (b) Microstructure indicating transgranular cracks...
Image
Published: 01 December 2004
Fig. 33 Scanning electron micrographs illustrating transgranular and intergranular fracture topographies. (a) Transgranular cleavagelike fracture topography. Direction of crack propagation is from grain A through grain B. (b) Intergranular fracture topography More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270067
EISBN: 978-1-62708-301-0
... is shown in Fig. CH2.3 . In the transgranular fracture zone, well-defined beach marks, typical of fatigue, could be seen ( Fig. CH2.4a ). At higher magnifications, striations were seen confirming the fatigue crack propagation ( Fig. CH2.4b ). Fig. CH2.3 SEM fractograph showing intergranular...