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cleavage fracture

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Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000624
EISBN: 978-1-62708-181-8
..., iron-base, molybdenum-base, and tantalum-base materials. The fractographs illustrate fatigue striations, slow-bending fracture, quasi-cleavage fracture, corrosion-fatigue fracture, fatigue crack, intergranular cleavage, microvoid coalescence, tension-overload fracture, crack propagation, impact...
Series: ASM Handbook
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
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000608
EISBN: 978-1-62708-181-8
... Fig. 562 A V-notch Charpy impact fracture in a specimen of 0.42C-2.1Mo-5.2Co alloy steel that was not as tough as had been expected. The fracture has been largely intergranular, although three facets appear to be transgranular cleavage facets. Note the secondary grain-boundary crack. Area...
Series: ASM Handbook
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...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000601
EISBN: 978-1-62708-181-8
... fracture; cleavage fracture; notch-impact fracture; oxide inclusions and blowholes; ductile rupture; impact fracture and tensile-test fracture surfaces; fatigue striations; and crack initiation and propagation of pure irons. cleavage fracture ductile fracture fractograph grain boundaries impact...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000623
EISBN: 978-1-62708-181-8
... fracture, crack propagation, ductile overload fracture, dimpled rupture, microvoid coalescence, and quasi-cleavage fracture of these alloys. cleavage fracture ductile fracture fatigue crack growth fatigue fracture fractograph stress-corrosion cracking tensile fracture threaded fasteners...
Series: ASM Handbook
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...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006323
EISBN: 978-1-62708-179-5
... of the main fracture modes and their characteristic fractographic features. It discusses the four principal fracture modes: dimple rupture (or fracture), cleavage, fatigue, and intergranular fracture. The article provides information on special cases of environmentally assisted fracture. It concludes...
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...
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
..., bright crystalline appearance, and a chevron pattern that points to the origin. Examination at high magnification will show cleavage fracture through the grains. The transgranular fracture is related to the nil-ductility transition temperature (NDTT) of the alloy, the strain rate, or brittle phases...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001820
EISBN: 978-1-62708-180-1
... several cleavage fractures that propagated to distances of 914 m (3000 ft). Other than the length of the fracture, the unusual aspect of the failure was that there was no reduction in thickness at the fracture edge, and the fractures propagated along the pipe in a sinusoidal pattern. A failure...
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
... corrosive environment May indicate elevated temperature Oxidized fingernail on fracture surface Possible crack initiation site Fracture surface reflectivity Matte: ductile fracture or cyclic loading Shiny: cleavage likely Faceted (“bumpy”) and shiny; intergranular fracture...
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. References 1. Ross R.J. and Boit C...
Series: ASM Handbook
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...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003226
EISBN: 978-1-62708-199-3
... is to be related to the micromechanisms of fracture that were active. It is important to realize that microscopic features of fractures ordinarily differ widely within a small area. The principal categories of fracture features (or fracture modes) are as follows: Cleavage features (tongues, microtwins...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003226
EISBN: 978-1-62708-199-3
..., and, in brittle fractures, cleavage facets and some of the river marks can be discerned. It is most useful for preliminary examination of fracture surfaces, leaving final documentation of fine details for scanning electron microscopy. Fig. 3 Optical stereomicroscope with camera box partly removed...
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...
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
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002349
EISBN: 978-1-62708-193-1
... the cause of cracking or crack growth. This article discusses the macroscopic and microscopic basis of understanding and modeling fracture resistance of metals. It describes the four major types of failure modes in engineering alloys, namely, dimpled rupture, ductile striation formation, cleavage...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002352
EISBN: 978-1-62708-193-1
... band emergence Cleavage or intergranular fracture Origin area may contain an imperfection or stress concentrator Progressive zone: worn appearance, flat, may show striations at magnifications above 500× Overload zone: may be either ductile or brittle Path of penetration may be irregular...