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dimple rupture

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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 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...
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
.... (c) In tensile tearing, elongated dimples point toward fracture origin on matching fracture surfaces. Source: Ref 8 Fig. 5 Examples of the dimple rupture mode of fracture. (a) Large and small dimples on the fracture surface of a martensitic type 234 tool steel saw disk. The extremely...
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
... to determine 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: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000617
EISBN: 978-1-62708-181-8
..., intergranular fracture, grain boundaries, notch and fatigue precrack, dimpled rupture, and fatigue striations of these alloys. fractograph intergranular fracture nickel alloys Fig. 867 Surface of a fracture in a bend-test specimen of Nickel 201 containing 0.02% C, 0.35% Mn, 0.01% S, 0.35% Si...
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
..., 110× Fig. 1142 Higher-magnification view of the fracture surface in Fig. 1141 , typical of fractures produced in this alloy in air after various solution treatments. Entire surface shows dimpled fracture of fine, equiaxed α phase that ruptured in ductile shear. SEM, 1100× Fig. 1143...
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
... view of an area of the fracture surface in Fig. 723 , showing dimpled rupture in some regions (at left, for example) and, elsewhere, facets that suggest local quasi-cleavage without evidence of any conventional river patterns. See also Fig. 725 , a higher-magnification view of the area...
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
... the characteristics of dimple rupture, as discussed further. The second mode of ductile fracture, shear-band formation, is a phenomenon associated more with deformation processes during metalworking, where localized and inhomogeneous deformation can potentially lead to crack formation. The concern...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000600
EISBN: 978-1-62708-181-8
... alloys and engineered materials are also illustrated. cleavage decohesive rupture dimple rupture fatigue fraction ferrous metals fractographs nonferrous metals THIS ATLAS provides a collection of fractographs that is intended to assist the reader in recognizing the features of fracture...
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
... adjacent to the fracture are consistent with tearing. Ductile overload failures of engineering components typically exhibit the characteristics of dimple rupture, as discussed further. The second mode of ductile fracture, shear-band formation, is a phenomenon associated more with deformation processes...
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
... stainless steel tested at 540 °C (1000 °F). A ductile-to-brittle transition occurred at very slow strain rates. Fig. 627 : Microvoid coalescence (dimpled rupture) on fracture surface of sample tested at strain rate of 1.3 mm/min (0.05 in./min). SEM, 200×. Fig. 628 : Brittle intergranular fracture surface...
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
...), and on fracture-surface characteristics, of the temperature of aging after austenitizing at 900 °C (1650 °F) for 2 h and air cooling.) Fig. 1212 This SEM fractograph of the specimen in Fig. 1211 , which was aged at 700 °C (1290 °F), shows dimpled rupture instead of the quasi-cleavage facets observed...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000626
EISBN: 978-1-62708-181-8
.... Crack propagation was primarily along WC-Co interfaces. Although fracture was brittle on a macroscopic scale, areas of ductile dimpled rupture are visible in the cobalt matrix. SEM, 2000× (S.B. Luyckx, University of the Witwatersrand) Fig. 1274 Fig. 1275 Fig. 1276 ...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000604
EISBN: 978-1-62708-181-8
... (graphite). SEM, 4% nital, 40× (R.C. Voigt and B. Pourlaidian, University of Kansas) (Fig. 102 in printed volume) Fig. 103 Fracture surface of ferritic malleable iron after impact loading at −196 °C (−320 °F). Same material as in Fig. 98 , 99 , 100 , 101 , and 102 . Regions of dimpled rupture...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000613
EISBN: 978-1-62708-181-8
... is absent. SEM, 10,000× Fig. 792 Another view of the fracture surface in hydrogen-embrittled AISI H11 tool steel shown in Fig. 789 . The surface consists almost entirely of dimpled rupture. A few facets are present and suggest possible local cleavage. See also Fig. 793 . SEM, 4000× Fig...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000621
EISBN: 978-1-62708-181-8
... of the fracture in Fig. 1027 . This region, exhibiting dimples characteristic of ductile rupture, is representative of the entire fracture, except for areas A and flaw B-B in Fig. 1027 . Large dimples contain visible inclusions. See also Fig. 1032 . SEM, 80× Fig. 1032 Area in the rectangle in Fig...
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
... surface morphologies for an annealed ferritic ductile iron. Composition: 3.6% C, 2.2% Si, 0.3% Mn, 0.7% Ni, 0.2% Mo (same as in Fig. 76 , 77 , 78 , 79 , 80 , 81 , and 82 ). Fig. 83 : Dimpled rupture (ductile fracture) at room temperature. SEM, 800×. Fig. 84 : Quasi-cleavage (brittle fracture...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000620
EISBN: 978-1-62708-181-8
.... There are no indications of the beach marks that are characteristic of fatigue fractures. See also Fig. 963 . 2× Fig. 963 High-magnification view of one of the fracture surfaces of the fractured connecting rod shown in Fig. 961 . It is evident that fracture was by dimpled rupture, which indicates...
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
.... van Stone R.H. , Cox T.B. , Low J.R. Jr. , and Psioda J.A. , Microstructural Aspects of Fracture by Dimpled Rupture , International Metals Reviews , Vol 30 , 1985 , p 157 – 180 10. Garrison W.M. Jr. , and Moody N.R. , Ductile Fracture , Journal of Physics...
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
... (135 ksi). In general, the fracture surface is flat and shiny. See Fig. 395 and 396 for TEM views of areas A and B. Fig. 395 TEM p-c replica of an area near letter A (in region of final rupture) in the torsion-overload fracture shown in Fig. 394 , showing dimples, some of which...
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
... rupture has been used for IG fracture with dimples on the fracture surface. This use is perhaps historical in nature, based on the loss of grain-boundary cohesiveness at elevated temperatures. However, the term dimpled IG fracture is preferred, because it clearly conveys an image of the fracture...