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brittle cleavage

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Image
Published: 01 January 1987
Fig. 97 Brittle cleavage fracture in ferritic ductile iron. SEM, 1000× (W.L. Bradley, Texas A&M University) More
Image
Published: 30 August 2021
Fig. 14 Scanning electron microscopy micrograph showing brittle cleavage fracture morphology on a high-hardness surgical tool More
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000603
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that covers pearlitic and ferritic ductile irons. The fractographs display the following: brittle cleavage fracture; fatigue crack propagation; fatigue and monotonic fracture surfaces; fracture modes in slow monotonic loading and impact loading...
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Published: 30 August 2021
Fig. 47 Scanning electron microscopy image showing the cleavage-type brittle crack surface . Original magnification: 1000× More
Image
Published: 01 January 2024
Fig. 8 Brittle fracture of an FC-0205 powder metal control rod displaying cleavage facets More
Image
Published: 01 January 2002
Fig. 12 Example of unstable rapid fracture in a body-centered cubic (bcc) metal (annealed low-carbon steel). Rapid fracture in this alloy occurs almost completely by microvoid coalescence, but close examination reveals a few areas of brittle cleavage. The bcc structure is not close-packed More
Image
Published: 01 January 2002
Fig. 20 Schematic of variation in yield strength (YS) and fracture strength (FS) with temperature for fcc and bcc materials. Brittle (cleavage) fracture is possible in bcc material but not in fcc material. Yield strength of bcc materials increases more sharply than that of fcc materials when More
Image
Published: 15 January 2021
Fig. 21 Schematic of variation in yield strength (YS) and fracture strength (FS) with temperature for face-centered cubic (fcc) and body-centered cubic (bcc) materials. Brittle (cleavage) fracture is possible in bcc material but not in fcc material. Yield strength of bcc materials increases More
Image
Published: 01 January 2002
a combination of morphologies of ductile microvoid coalescence of the matrix and brittle cleavage and intergranular separation through and around second-phase particles. Courtesy of Howard Nelson ( Ref 2 ) More
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...
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
... is uniquely characterized by dimpled fracture surfaces due to microvoid coalescence. Microscale brittle fractures are characterized by either cleavage (transgranular brittle fracture) or intergranular embrittlement. Fracture Surface Information Correct interpretation of fractographic features...
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
... cracking in this very brittle specimen. 6500× Fig. 402 TEM p-c replica from deep within the impact fracture area, B, in Fig. 397 , showing the quasi-cleavage characteristics of this brittle, untempered specimen. No large facets are visible; this suggests that the specimen had a fine grain size...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000610
EISBN: 978-1-62708-181-8
... candy fracture, cleavage fracture, brittle fracture, high-cycle fatigue fracture, fatigue striations, hydrogen-embrittlement failure, creep crack propagation, fatigue crack nucleation, intergranular creep fracture, torsional overload fracture, stress-corrosion cracking, and grain-boundary damage...
Image
Published: 01 January 1996
transgranularly or intergranularly brittle intergranular fracture, BIF. (b) Mode II brittle fracture is preceded by microscopic, but not microscopic, plastic deformation. Indeed, plastic deformation nucleates cracks that may propagate by cleavage or in an intergranular mode (as shown schematically). (c More
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 2024
DOI: 10.31399/asm.hb.v12.a0006842
EISBN: 978-1-62708-387-4
... a crack or fracture. Dimpled rupture is considered to be a ductile fracture-surface morphology on the microscale, while the other three possible fracture-surface morphologies (intergranular, cleavage, and fatigue) are generally considered to be brittle on the microscale. If a component fracture is ductile...
Image
Published: 01 January 2002
Fig. 48 Scanning electron micrographs of cyclic cleavage of Fe-4Si (at.%) at 233 K, Δ K = 18.4 MPa m (16.7 ksi in. ). (a) Overload cleavage appearance at 75×. (b) Magnifications at 750× shows brittle striations on large cleavage river More
Image
Published: 15 January 2021
Fig. 49 Scanning electron micrographs of cyclic cleavage of Fe-4Si (at.%) at 233 K and stress-intensity range (Δ K ) = 18.4 M P a m (16.7 ksi in ). (a) Overload cleavage appearance at 75×. (b) Magnification at 750× shows brittle striations on large cleavage river More
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
..., at the microscale, there is evidence to indicate that the fracture mechanism could have occurred either due to slip and MVC (ductile fracture) or due to cleavage (brittle fracture) in the flat portion. This article focuses on characterizing the fracture-surface appearance at the microscale and contains some...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... concepts. bending brittle fracture compression failure deformation ductile crack nucleation ductile fracture ductility fractography manufacturing imperfections metals microvoid coalescence notched specimen plastic flow root cause failure analysis single-crystal cleavage models specimen...