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Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002404
EISBN: 978-1-62708-193-1
... Abstract This article describes the fracture toughness behavior of austenitic stainless steels and their welds at ambient, elevated, and cryogenic temperatures. Minimum expected toughness values are provided for use in fracture mechanics evaluations. The article explains the effect of crack...
Book Chapter

By John D. Landes
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002380
EISBN: 978-1-62708-193-1
... Abstract This article describes the test methods of fracture toughness, namely, linear-elastic and nonlinear fracture toughness testing methods. Linear-elastic fracture toughness testing includes slow and rapid loading, crack initiation, and crack arrest method. Nonlinear testing comprises J IC...
Book Chapter

By G.J. Roe, B.L. Bramfitt
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001040
EISBN: 978-1-62708-161-0
... Abstract Notch toughness is an indication of the capacity of a steel to absorb energy when a stress concentrator or notch is present. The notch toughness of a steel product is the result of a number of interactive effects, including composition, deoxidation and steelmaking practices...
Book Chapter

Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006747
EISBN: 978-1-62708-210-5
... Abstract Alloy 7475 is a controlled-toughness alloy for sheet and plate product forms. This datasheet provides information on key alloy metallurgy, processing effects on physical and mechanical properties, and fabrication characteristics of this 7xxx series alloy. aluminum alloy 7475...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003311
EISBN: 978-1-62708-176-4
... Abstract This article introduces the concepts of linear-elastic fracture mechanics (LEFM) and elastic-plastic fracture mechanics (EPFM). It reviews the fracture mechanics of ceramics and ceramic matrix composites (CMCs). The article describes some fracture toughness measurement techniques used...
Book Chapter

Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003305
EISBN: 978-1-62708-176-4
... Abstract The fracture-mechanics technology has significantly improved the ability to design safe and reliable structures and identify and quantify the primary parameters that affect structural integrity of materials. This article provides a discussion on fracture toughness of notched materials...
Book Chapter

By John D. Landes
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003306
EISBN: 978-1-62708-176-4
... Abstract Fracture toughness is an empirical material property that is determined by one or more of a number of standard fracture toughness test methods. This article describes the fracture toughness test methods in a chronological outline, beginning with the methods that use the linear-elastic...
Book Chapter

Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003308
EISBN: 978-1-62708-176-4
... Abstract Measurement and analysis of fracture behavior under high loading rates is carried out by different test methods. This article provides a discussion on the history and types of notch-toughness tests and focuses exclusively on notch-toughness tests with emphasis on the Charpy impact test...
Book Chapter

Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006601
EISBN: 978-1-62708-210-5
... Abstract This datasheet provides information on key alloy metallurgy and applications of Alclad 2029. It contains tables that present statistically determined mechanical property minimums for Alclad 2029-T8 sheet and plate. The plane stress fracture toughness and fatigue crack growth resistance...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 June 2024
DOI: 10.31399/asm.hb.v12.a0007026
EISBN: 978-1-62708-387-4
... Abstract This article aims to summarize the work on cryogenic strength and toughness and to present the fractography of aluminum alloys. It presents case studies on the importance of understanding the fractography of aluminum alloys and the role of microstructure in the appearance...
Book Chapter

By M.P. Blinn, R.A. Williams
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002470
EISBN: 978-1-62708-194-8
... Abstract Fracture toughness is the ability of a material to withstand fracture in the presence of cracks. This article focuses on the use of fracture toughness as a parameter for engineering and design purposes. Both linear elastic and elastic-plastic fracture mechanics concepts are reviewed...
Image
Published: 01 January 1990
Fig. 18 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
Image
Published: 01 January 1996
Fig. 23 Effect of grain size on fracture toughness. (a) Dynamic fracture toughness ( K ID ) curves for fully pearlitic steels as a function of temperature for three prior-austenite grain sizes. (b) Fracture toughness as a function of temperature for St 37-3 steel in two grain sizes. Source More
Image
Published: 01 December 1998
Fig. 51 Effect of grain size on fracture toughness. (a) Dynamic fracture toughness ( K Id ) curves for fully pearlitic steels as a function of temperature for three prior austenite grain sizes. (b) Fracture toughness as a function of temperature for St 37-3 steel (Fe-0.08C-0.45Mn) in two More
Image
Published: 01 January 1987
Fig. 3 Fracture toughness specimen that has been intentionally corroded in a 5% salt steam chamber for 6 h. (a) Before ultrasonic cleaning in a heated Alconox solution for 30 min. (b) After ultrasonic cleaning More
Image
Published: 01 January 1987
Fig. 904 Fracture surface of an underaged fracture-toughness test specimen of Cu-2.5Be alloy that had been aged for 1 1 2 h at 260 °C (500 °F) prior to being tested in air. Tensile strength was 930 MPa (135 ksi). Fracture was transgranular and produced the wide variety of dimple More
Image
Published: 01 January 1987
Fig. 905 Fracture surface of a fully aged fracture-toughness test specimen of Cu-2.5Be similar to that in Fig. 904 , but aged 3 h at 315 °C (600 °F) before being tested in air. Tensile strength was 1240 MPa (180 ksi). The dimples on the transgranular facets are much finer than in Fig. 904 More
Image
Published: 01 January 1987
Fig. 906 Tensile-overload fracture in a fracture-toughness specimen of 64Cu-27Ni-9Fe alloy that underwent spinodal decomposition during heat treatment for 10 h at 775 °C (1425 °F). The surface contains many intergranular facets with intervening regions of dimpled transgranular facets. See Fig More
Image
Published: 01 January 1987
Fig. 908 Tensile-overload fracture in a fracture-toughness test specimen of the same 64Cu-27Ni-9Fe alloy as in Fig. 906 , but here spinodal decomposition occurred during heat treatment at 775 °C (1425 °F) for 100 h. Only dimpled transgranular facets are visible (no intergranular facets More
Image
Published: 01 January 1987
Fig. 909 Surface of the fracture in a fracture-toughness test specimen of the same 64Cu-27Ni-9Fe alloy as in Fig. 906 , 907 , and 908 , but which was heat treated at 775 °C (1427 °F) for 200 h. Very fine dimples can be seen among the larger ones. The large cavity at the center of this view More