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Intergranular fracture

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... Abstract This article briefly reviews the factors that influence the occurrence of intergranular (IG) fractures. Because the appearance of IG fractures is often very similar, the principal focus is placed on the various metallurgical or environmental factors that cause grain boundaries...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
... Abstract This article briefly reviews the various metallurgical or environmental factors that cause a weakening of the grain boundaries and, in turn, influence the occurrence of intergranular (IG) fractures. It discusses the mechanisms of IG fractures, including the dimpled IG fracture, the IG...
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Published: 01 January 1993
Fig. 6 Intergranular fracture surface showing partial intergranular wetting with both solid-solid and liquid-liquid bonding. 500× More
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Published: 01 October 2014
Fig. 12 Intergranular fracture from the overload fracture zone in the case of a carburized SAE 8620 steel. Scanning electron microscope (SEM) micrograph. Source: Ref 14 More
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Published: 31 August 2017
Fig. 29 Intergranular fracture observed in the fracture surface of martensitic ductile iron (ASTM A536, 120-90-02 grade) under slow bending test at room temperature (20 °C, or 68 °F). Different magnification. The fracture surface shows grain-boundary separation with inclusions located More
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Published: 01 January 1990
Fig. 39 SEM micrograph showing intergranular fracture in a nickel-chromium-molybdenum (HY80) steel. 315× More
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Published: 01 January 2002
Fig. 2 SEM images of intergranular fracture with different grain morphologies. (a) Rock candy appearance from atmospheric stress-corrosion cracking of a high-strength aluminum alloy with equiaxed grains. 130×. (b) Intergranular fracture along the part line of an aluminum forging More
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Published: 01 January 2002
Fig. 11 Mud cracks on the surface of an intergranular fracture in 7079-T651 aluminum that failed under SCC conditions in a 3.5% chloride solution. TEM replica More
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Published: 01 January 1996
Fig. 11 Intergranular fracture in case unstable crack propagation zone in gas-carburized and direct-cooled SAE 4320 steel. Courtesy of A. Reguly More
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Published: 01 January 2003
Fig. 21 Percent intergranular fracture, reduction of area, and strain to failure of iron, iron + phosphorus, and iron + phosphorus + manganese alloys tested at various cathodic potentials More
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Published: 01 January 2003
Fig. 22 Percent intergranular fracture and the normalized strain to failure plotted as a function of sulfur content at the grain boundary for straining electrode tests at a cathodic potential of −600 mV (SCE) More
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Published: 01 January 2003
Fig. 25 Percent intergranular fracture and reduction of area versus grain-boundary composition of nickel for several cathodic test potentials. C S is the critical sulfur concentration corresponding to 50% intergranular fracture. Points labeled P are equivalent sulfur concentrations More
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Published: 01 January 1986
Fig. 44 Intergranular fracture mode within gray area of flaw. Crack growth direction is from bottom to top. More
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Published: 01 December 1998
Fig. 22 Intergranular fracture in copper alloy C71500 (copper nickel, 30%) that became embrittled by grain-boundary oxidation during extended exposure to high-temperature steam in a heat exchanger. Crack penetration (which was cyclic, as intergranular layers of oxide formed, broke and reformed More
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Published: 30 August 2021
Fig. 16 Scanning electron microscopy micrograph showing an intergranular fracture surface on an embrittled surgical tool. Corrosion pitting on adjacent surfaces (white arrows) was the source for monoatomic hydrogen that resulted in embrittlement. More
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Published: 30 August 2021
Fig. 35 Scanning electron microscopy image of intergranular fracture-surface morphology within the origin region More
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Published: 15 January 2021
Fig. 12 Mud cracks on the surface of an intergranular fracture in 7079-T651 aluminum that failed under stress-corrosion cracking conditions in a 3.5% chloride solution. Transmission electron microscopy replica More
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Published: 15 January 2021
Fig. 1 Scanning electron microscopy images of (a) intergranular fracture in ion-nitrided layer of ductile iron (ASTM 80-55-06), (b) transgranular fracture by cleavage in ductile iron (ASTM 80-55-06), and (c) ductile fracture with equiaxed dimples from microvoid coalescence around graphite More
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Published: 15 January 2021
Fig. 2 Scanning electron microscopy images of intergranular fracture with different grain morphologies. (a) Rock candy appearance from atmospheric stress-corrosion cracking of a high-strength aluminum alloy with equiaxed grains. Original magnification: 130×. (b) Intergranular fracture along More
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Published: 01 June 2012
Fig. 9 SEM image of intergranular fracture in a surgical tool More