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Book Chapter

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...
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
... Abstract The toughness of a material is its ability to absorb energy in the form of plastic deformation without fracturing. It is thus a measure of both strength and ductility. This chapter describes the fracture and toughness characteristics of metals and their effect on component lifetime...
Book Chapter

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...
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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: 01 October 2011
Fig. 3.14 Area under the stress-strain curve as a measure of toughness More
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Published: 01 October 2011
Fig. 7.19 Examples of specimen types used in the K Ic fracture toughness test (ASTM E 399, Ref 7.9 ). (a) Single edge-notched bend, SE(B). (b) Compact specimen, C(T). More
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Published: 01 October 2011
Fig. 7.22 Impact toughness specimens. (a) Charpy. (b) Izod More
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Published: 01 October 2011
Fig. 8.5 General comparison of Charpy V-notch toughness for a mild-carbon steel (ASTM A 7, now ASTM A 283, grade D), an HSLA steel, and a heat-treated constructional alloy steel More
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Published: 01 October 2011
Fig. 8.6 Strength/toughness combination of 18 Ni maraging steels compared to conventional high-strength carbon steels More
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Published: 01 October 2011
Fig. 10.23 Dynamic fracture toughness of cast irons. (a) Ferritic matrix. (b) Pearlitic matrix. Source: Ref 10.12 More
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Published: 01 October 2011
Fig. 12.9 Influence of phosphorous level and grain size on the toughness of martensitic stainless steels. Source: Ref 12.2 More
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Published: 01 October 2011
Fig. 17.8 Fracture toughness as a function of strength for high-strength structural alloys More
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Published: 01 August 2013
Fig. 2.20 Effect of quenching and tempering on the fracture toughness of plain carbon steels. Source: Adapted from Ref 2.2 More
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Published: 01 August 2013
Fig. 4.27 Variation of fracture toughness with yield strength for different steel grades. Source: Adapted from Ref 4.13 More
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Published: 01 September 2008
Fig. 15 Variation of toughness with thickness More
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Published: 01 September 2008
Fig. 15 Hardness and toughness of a tool steel as a function of tempering temperature. Charpy V-test performed at room temperature in the short-transverse direction More
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Published: 01 September 2008
Fig. 16 Illustration of toughness loss after tempering in the embrittlement range. Source: Ref 17 More
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Published: 01 September 2008
Fig. 8 Comparison of longitudinal Charpy V-notched impact toughness for various tool steel specimens taken from 89 mm square stock and tested at working hardness. Source: Ref 6 More
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Published: 01 September 2008
Fig. 28 Impact toughness and hardness as a function of tempering temperature. Retained austenite content is also shown. Notice the hash-marked area, indicated as a temper embrittlement region, where very low toughness is observed; this region coincides with the peak hardness. Source: Ref 24 More
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Published: 01 December 2003
Fig. 17 Specimen types and test configurations for pendulum impact toughness tests. (a) Charpy method. (b) Izod method More