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intergranular fatigue

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Published: 01 January 1996
Fig. 10 Intergranular bending fatigue crack initiation at the surface of a gas-carburized and direct-cooled SAE 8219 steel specimen. Source: Ref 42 More
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Published: 01 January 2002
Fig. 44 SEM views of intergranular facets within fatigue crack propagation area of cold-worked electrolytic tough pitch copper tested in rotating bending at moderately low stress More
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Published: 01 January 2003
Fig. 23 Corrosion fatigue of a Ti-6Al-4V alloy tested in ambient air. Intergranular cracking and fatigue striations are evident on the fracture surface; the grain appears to have separated from the rest of the microstructure. Source: Ref 21 More
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Published: 01 December 2004
Fig. 8 Intergranular crack initiation site from bending fatigue of plasma-carburized steel containing 1.06% Mn, 0.52% Cr, 0.30% Ni, and 0.1% Mo. Source: Ref 2 More
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Published: 15 January 2021
Fig. 44 Scanning electron microscope views of intergranular facets within fatigue crack propagation area of cold-worked electrolytic tough pitch copper tested in rotating bending at moderately low stress More
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Published: 15 January 2021
Fig. 7 Fracture surface topography of Fe-4Ni (at.%) fatigue cracked at 123 K with Δ K < 10 MPa m (9.1 ksi in . ). (a) Overall intergranular appearance at low magnification. (b) Higher-magnification scanning electron microscopy resolution of ductile intergranular More
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
... a case history on IG fracture of steam generator tubes, where a lowering of the operating temperature was proposed to reduce failures. dimpled intergranular fracture grain boundaries hydrogen embrittlement intergranular brittle cracking intergranular fatigue intergranular stress-corrosion...
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
... brittle fracture, and the IG fatigue fracture. The article describes some typical embrittlement mechanisms that cause the IG fracture of steels. dimpled intergranular fracture hydrogen embrittlement intergranular brittle fracture intergranular fatigue intergranular fracture intergranular stress...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002400
EISBN: 978-1-62708-193-1
... in carburized steels. The stages of fatigue and fracture of the steels, namely crack initiation, stable crack propagation, and unstable crack propagation, are reviewed. The article analyzes the intergranular fracture at the prior-austenite grain boundaries of high-carbon case microstructures that dominates...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005982
EISBN: 978-1-62708-168-9
.... In addition, the causes of intergranular fracture at austenite grain boundaries and their prevention methods are explored. The article also describes the major mechanisms of bending fatigue crack initiation in carburized steels. alloying carbides carbon content carburized steel carburizing fatigue...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000617
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that helps in understanding the causes and mechanisms of fracture of nickel alloys and in identifying and interpreting the morphology of fracture surfaces. The fractographs illustrate the fatigue crack, transgranular cleavage, intergranular...
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Published: 01 January 2002
surface. 2.5×. (c) Picral-etched section through one of the fatigue origins at the edge of the bore showing intergranular corrosion (arrow A) and intergranular attack (arrow B) on the fracture surface. 250× More
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Published: 30 August 2021
surface. Original magnification: 2.5×. (c) Picral-etched section through one of the fatigue origins at the edge of the bore showing intergranular corrosion (arrow A) and intergranular attack (arrow B) on the fracture surface. Original magnification: 250× More
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Published: 01 January 1987
Fig. 80 Effect of hydrogen on the fatigue fracture appearance of a grade X42 pipeline steel. (a) Tested in dry nitrogen gas at a stress intensity range of Δ K = 20 MPa m (18 ksi in. ), a load ratio of R = 0.1, and a cyclic frequency of 5 Hz. (b) Tested in dry hydrogen gas More
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Published: 01 January 2002
Fig. 44 Types of alternate microscopic fracture modes in fatigue. (a) Ductile striations triggering cleavage. (b) Cyclic cleavage. (c) Alpha-beta interface fracture. (d) Cleavage of alpha in an alpha-beta phase field. (e) Forked intergranular cracks in a hard matrix. (f) Forked intergranular More
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Published: 15 January 2021
Fig. 45 Types of alternate microscopic fracture modes in fatigue. (a) Ductile striations triggering cleavage. (b) Cyclic cleavage. (c) Alpha-beta interface fracture. (d) Cleavage of alpha in an alpha-beta phase field. (e) Forked intergranular cracks in a hard matrix. (f) Forked intergranular More
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Published: 01 January 2002
with HCl-methanol. 140×. (b) Fatigue crack initiated by an intergranular underbead crack (arrow). Note beach marks in fatigue region. 3× More
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000612
EISBN: 978-1-62708-181-8
... fracture, low-cycle and high-cycle fatigue fracture, fracture surface, brittle intergranular fracture, hydrogen embrittlement, and intergranular stress-corrosion cracking of stainless steel components of these steels. The components include high-pressure compressor parts, springs, deflector yokes...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001831
EISBN: 978-1-62708-181-8
... Abstract This article begins with a discussion of the basic fracture modes, including dimple ruptures, cleavages, fatigue fractures, and decohesive ruptures, and of the important mechanisms involved in the fracture process. It then describes the principal effects of the external environment...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000619
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that helps in understanding the causes and mechanisms of fracture of copper alloys and in identifying and interpreting the morphology of fracture surfaces. The fractographs illustrate the following: fatigue fracture, intergranular fracture...