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brittle transgranular fracture

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
... of a component of interest in a failure investigation. Details on the mechanisms of deformation, brittle transgranular fracture, intergranular fracture, fatigue fracture, and environmentally affected fracture are also provided. brittle transgranular fracture creep fracture deformation ductile fracture...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000626
EISBN: 978-1-62708-181-8
... the brittle fracture, transgranular fracture, intergranular fracture, and crack propagation of the tungsten carbide. brittle fracture cemented carbides four-point bending test fractograph intergranular fracture tungsten carbide Fig. 1273 Eta phase on the fracture surface of a 94WC-6Co alloy...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000605
EISBN: 978-1-62708-181-8
... fracture, brittle fracture, tensile-test fracture, transgranular fracture, cleavage fracture, delayed fracture, corrosion fatigue, inclusion morphology, fatigue crack propagation, and in-service fatigue fracture of various automotive components. These components include tie rod adjusting sleeves...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000608
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 AISI/SAE alloy steels (4xxx steels) and in identifying and interpreting the morphology of fracture surfaces. The fractographs illustrate the brittle fracture, ductile fracture...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005342
EISBN: 978-1-62708-187-0
... Abstract This article discusses the visual and microscopic characteristics of fractures of cast alloys. These fractures include ductile rupture, transgranular brittle fracture, intergranular fracture, fatigue, and environmentally induced fracture. The article also describes the factors...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
... in a ductile-brittle sequence. Microscale ductile versus brittle fracture: Microscale ductile fracture is uniquely characterized by dimpled fracture surfaces due to microvoid coalescence. Microscale brittle fractures are characterized by either cleavage (transgranular brittle fracture) or intergranular...
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Published: 15 January 2021
-corrosion cracking in brass. The grain structure is clearly revealed as the material fails along the grain boundaries. (d) Transgranular brittle fracture in stainless steel More
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Published: 15 January 2021
propagate; region 3, extensive plasticity precedes brittle fracture. TG, transgranular; IG, intergranular. Adapted from Ref 14 ; originally published in Ref 15 More
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Published: 01 January 1987
Fig. 119 Brittle fracture of AISI 1020 hydraulic jack shaft. Failure originated at root of machined thread. Corrosion (evident on part) and fatigue (due to repeated loading of shaft) may also have played roles in the failure. Photomicrograph of fracture surface shows transgranular cleavage More
Image
Published: 31 August 2017
Fig. 9 Brittle fracture of AISI 1020 hydraulic jack shaft. Failure originated at root of machined thread. Corrosion (evident on part) and fatigue (due to repeated loading of shaft) also may have played roles in the failure. Micrograph of fracture surface shows transgranular cleavage 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
... of transgranular fracture are fatigue, brittle cracking by cleavage, or ductile fracture by microvoid coalescence. In contrast, IG fracture is not a unique fracture process: it is just a preferential crack path where brittle, ductile, or fatigue cracking may occur at the grain boundaries by various time...
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Published: 01 January 2003
of the solid fuel rocket engine resulted in brittle intergranular fracture. (d) Scanning electron micrograph of the failed machine screw shown in (c). (e) Fracture surface of a Monel specimen that failed in liquid mercury. The fracture is predominantly intergranular with some transgranular contribution. More
Image
Published: 01 January 1987
Fig. 1277 Fracture in four-point bending of a 94WC-6Co alloy. Analysis of mating fracture surfaces (shown here) was needed to accurately gage the fractions of intergranular and transgranular cleavage. Crack propagation was primarily along WC-Co interfaces. Although fracture was brittle More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... of the infrequently encountered term “intragranular” to describe transgranular features is discouraged due to its similarity in pronunciation to intergranular. All brittle fracture mechanisms can exhibit chevron or herringbone patterns that indicate the fracture origin and direction of rapid fracture progression...
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
.... The mechanisms of transgranular fracture are fatigue, brittle cracking by cleavage, or ductile fracture by microvoid coalescence. In contrast, IG fracture is not a unique fracture process; it is just a preferential crack path where brittle, ductile, or fatigue cracking may occur due to the weakening of grain...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000625
EISBN: 978-1-62708-181-8
... the ductile fracture, interlaminar failure, transgranular cleavage and fracture, tension-overload fracture, longitudinal and transverse cracking, fiber splitting, stress rupture, and low-cycle fatigue of these composites. ductile to brittle transition fractograph metal-matrix composites tensile...
Image
Published: 01 January 1987
Fig. 1151 View of the fracture surface in Fig. 1150 , seen at higher magnification, which shows in greater detail the fine secondary cracks; these are transgranular, in contrast to the network of major secondary cracks. (Structure is continuous β phase with dispersed α phase.) The fracture More
Image
Published: 01 December 2004
Fig. 54 SEM images of a mixed-mode fracture surface with indications of transgranular brittle and ductile cracking from an as-cast state 356 alloy tensile-test specimen. The area of the crack initiation is visible in the center of (a), and fracture went through the cleavage planes More
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... at magnifications above 500× • Overload zone: may be either ductile or brittle • Multiple intergranular fissures covered with reaction scale • Grain faces may show porosity Metallographic inspection, 50–1000× (cross section) • Grain distortion and flow near fracture • Irregular, transgranular fracture...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 30 January 2024
DOI: 10.31399/asm.hb.v12.a0006842
EISBN: 978-1-62708-387-4
...). Cleavage is characteristic of transgranular, brittle, monotonic overload fractures. Fatigue failures of many metals exhibit striations at high magnifications (>600×). Striations are semielliptical lines on a fatigue fracture surface that emanate outward from the origin and mark the crack front position...