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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540169
EISBN: 978-1-62708-309-6
... Abstract This chapter discusses various types of material fracture toughness and the methods by which they are determined. It begins with a review of the basic principles of linear elastic fracture mechanics, covering the Griffith-Irwin theory of fracture, the concept of strain energy release...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410439
EISBN: 978-1-62708-265-5
... This chapter describes the causes of cracking, embrittlement, and low toughness in carbon and low-alloy steels and their differentiating fracture surface characteristics. It discusses the interrelated effects of composition, processing, and microstructure and contributing factors such as hot...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490021
EISBN: 978-1-62708-340-9
...Correlations between impact properties and fracture toughness (after <xref ref-type="bibr" rid="t60490021-ref35">Ref 35</xref> to <xref ref-type="bibr" rid="t60490021-ref39">39</xref> and <xref ref-type="bibr" rid="t60490021-ref41">41</xref>) Table 2.1. Correlations between impact properties...
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Published: 01 December 2001
Fig. 17 Effect of interstitial elements on notch toughness. The notch toughness at –18 °C (0 °F) of 12% Ni maraging steel can be significantly raised by controlling the amount of interstitial alloying elements in the steel, regardless of the strength level. Numbers indicate plate thickness More
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Published: 30 November 2013
Fig. 5 Fracture toughness versus yield strength for some structural steels. TRIP, transformation-induced plasticity. More
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Published: 30 November 2013
Fig. 11 Specimen types used in plane-strain fracture-toughness ( K Ic ) testing (ASTMA 399). a , crack length; W , specimen width More
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Published: 30 November 2013
Fig. 12 Common fracture-toughness testing setup showing the interaction of the test specimen with the control and data acquisition instruments. A crack-mouth opening displacement gage is mounted in the compact-type (C(T)) specimen. Current systems generally use servohydraulic test systems More
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Published: 01 October 2011
Fig. 3.14 Area under the stress-strain curve as a measure of toughness More
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Published: 01 November 2012
Fig. 6 General plot of the ratios of the toughness and stress showing the relationship between linear elastic fracture mechanics and strength of materials as it relates to fracture and structural integrity. Source: Ref 5 More
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Published: 01 November 2012
Fig. 10 Area under stress-strain curve as an indicator of toughness. Source: Ref 2 More
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Published: 01 November 2012
Fig. 38 Schematic of variation in fracture toughness and macroscale features of fracture surfaces for an inherently ductile material. As section thickness ( B ) or preexisting crack length ( a ) increases, plane-strain conditions develop first along the centerline and result in a flat fracture More
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Published: 01 November 2012
Fig. 8 Fracture toughness transition in structural alloys. Source: Ref 3 More
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Published: 01 November 2012
Fig. 25 Load displacement behavior observed in fracture toughness tests. (a) Linear elastic. (b) Elastic-plastic (failure before limit load). (c) Fully plastic (exhibits a limit load). (a) shows brittle behavior ( K Ic is measured). (b) and (c) show ductile behavior ( J Ic is measured More
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Published: 01 November 2012
Fig. 30 Correlation of plane-strain impact fracture toughness and impact Charpy V-notch energy absorption for various grades of steel. Source: Ref 3 More
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Published: 01 November 2012
Fig. 31 Correlation of plane-strain impact fracture toughness and impact Charpy V-notch energy absorption for SA 533B, class 1, steel. NDT, nil-ductility transition. Source: Ref 3 More
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Published: 01 November 2012
Fig. 32 Relation between plane-strain fracture toughness ( K Ic ) and Charpy V-notch (CVN) impact energy. Tests conducted at 27 °C (80 °F). VM, vacuum melted; AM, air melted. Source: Ref 3 More
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Published: 01 November 2012
Fig. 34 Temperature dependence of fracture toughness for alloys, illustrating characteristic behavior for three different crystal structures. fcc, face-centered cubic; bcc, body-centered cubic; hcp, hexagonal close-packed. Source: Ref 3 More
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Published: 01 November 2012
Fig. 1 Fracture toughness as a function of strength for high-strength structural alloys. Source: Ref 1 More
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Published: 01 November 2012
Fig. 2 Fracture toughness as a function of yield strength for structural steels. Source: Ref 1 More
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Published: 01 November 2012
Fig. 3 Relationship of fracture toughness to inverse square root of grain size. Dependence of fracture toughness on prior-austenite grain size at four temperatures. Source: Ref 2 More