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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630101
EISBN: 978-1-62708-270-9
... Abstract Ductile fracture results from the application of an excessive stress to a metal that has the ability to deform permanently, or plastically, prior to fracture. Careful examination and knowledge of the metal, its thermal history, and its hardness are important in determining the correct...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610055
EISBN: 978-1-62708-303-4
... Abstract This chapter discusses the causes and effects of ductile and brittle fracture and their key differences. It describes the characteristics of ductile fracture, explaining how microvoids develop and coalesce into larger cavities that are rapidly pulled apart, leaving bowl-shaped voids...
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Published: 01 November 2012
Fig. 2 Appearance of (a) ductile and (b) brittle tensile fractures in unnotched cylindrical specimens. Courtesy of G. Vander Voort. Source: Ref 3 More
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Published: 01 December 2004
Fig. 19 Appearance of ductile (a) and brittle (b) tensile fractures. Source: Ref 28 More
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Published: 01 August 2018
Fig. 17.79 (a) Ductile fracture and (b) brittle fracture in ductile cast iron. SE, SEM. Not etched. The aspect of graphite and its role in the fracture process are evident. Courtesy of J. Sertucha, Azterlan, Centro de Investigacion Metalurgica, Durango, Bizkaia, Spain. More
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Published: 01 August 2005
Fig. 2.50 General fracture-surface regions from ductile fracture of an unnotched (a) and notched (b) tension test bar. (a) Radial zones on an unnotched point to the region of crack initiation near the center of the specimen. (b) In the notched tensile specimen, the fibrous zone surrounds More
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Published: 01 August 2005
Fig. 6 Typical dimpled rupture fracture surface of a ductile fracture viewed at a magnification of 2000× and at an angle of about 40–50° to the fracture surface More
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Published: 01 December 1996
Fig. 5-62 Impact curves and % of fracture surface showing fibrous (ductile) fracture of a 3140 steel for different aging times at 500 °C. The samples were austenitized for one hour at 900 °C, water quenched, tempered for one hour at 675 °C, water quenched, then aged at 500 °C for the times More
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Published: 01 October 2011
Fig. 16.18 Cup-and-cone ductile fracture of a low-carbon steel bar under tension More
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Published: 01 September 2008
Fig. 38 SEM micrograph showing a ductile fracture mode observed over the majority of both fracture surfaces. Original magnification: 1000×. Source: Ref 20 More
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Published: 01 September 2008
Fig. 2 Example of a macroscale ductile fracture in tensile loading More
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Published: 01 September 2008
Fig. 5 Example of a macroscale ductile fracture in torsional loading More
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Published: 01 September 2008
Fig. 1 Ductile fracture showing the typical cup-cone geometry More
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Published: 01 November 2012
Fig. 1 Ductile fracture in 1038 steel bolt. The bolt was annealed to a hardness of 95 HRB (equivalent to 15 HRC) and shows tremendous permanent deformation. Source: Ref 1 More
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Published: 01 November 2012
Fig. 13 Examples of ductile fracture on shear planes. (a) Void sheets from propagation of a crack between widely spaced inclusions within a shear band in a 4340 steel. Stress axis is vertical. Reprinted with permission from ASTM STP600, Fractography—Microscopic Cracking Processes , copyright More
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Published: 01 August 2005
Fig. 2.53 Schematic of the brittle-to-ductile fracture transition. The relative area on the fracture surface of the three microscale fracture mechanisms (stretch zone, dimple zone, and cleavage zone) are indicated. Source: Ref 2.27 More
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Published: 01 July 2009
Fig. 17.18 Influence of temperature on ductility (fracture strain) for S-65C beryllium. Source: Goods and Dombrowski 1997 More
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Published: 01 December 2004
Fig. 32 Scanning electron micrograph illustrating ductile fracture surface topography. This fracture topography is identified as microvoid coalescence. More
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Published: 01 July 1997
Fig. 2 Ductile fracture R curve More
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Published: 01 July 1997
Fig. 18 Percent ductile fracture vs. test temperature for the submerged arc bead-in-groove welds deposited in HY-80 steel. The numbers 1 through 4 accompanying the alloy designation represent heat input levels in kJ/mm. Source: Ref 16 More