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Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005938
EISBN: 978-1-62708-168-9
... Abstract Quench cracking is a brittle fracture phenomenon, and its occurrence depends not only on the stress changes but also on the mechanical characteristics of metals. Simulation of quenching processes has become possible in the analysis of quench cracking. This article commences...
Abstract
Quench cracking is a brittle fracture phenomenon, and its occurrence depends not only on the stress changes but also on the mechanical characteristics of metals. Simulation of quenching processes has become possible in the analysis of quench cracking. This article commences with a discussion on the studies conducted to determine the origin of quench cracks, and then describes various test procedures for determining the susceptibility of quench cracking. It provides a description of the brittle fracture in terms of fracture mechanics and fracture toughness of quenched metals, and discusses the effects of impurities, hydrogen, and surface roughness on cracking. The article exemplifies simulation works applied to several successful cracking tests on cylindrical and complex-shaped steel parts.
Book Chapter
Modeling of Quenching, Residual-Stress Formation, and Quench Cracking
Available to PurchaseSeries: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005530
EISBN: 978-1-62708-197-9
... neglecting and incorporating material transformation effects, used to predict residual stresses are reviewed. The article also explains the various aspects of models used to prevent cracking during heating and quenching. cooling rate crack resistance heat-transfer coefficient quench cracking...
Abstract
This article provides information on the boundary conditions that must be applied to model the heat-transfer coefficient (HTC) in a component being cooled. It describes the historical perspective of various experiments to determine the HTCs. Computational fluid dynamics codes have also been used to predict the HTCs around a part. The article provides information on the various modeling studies used to predict cooling rates in a component. The prediction of residual stresses by validation and optimization of residual stress models is also discussed. Several techniques, such as models neglecting and incorporating material transformation effects, used to predict residual stresses are reviewed. The article also explains the various aspects of models used to prevent cracking during heating and quenching.
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Published: 01 January 2002
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Quench cracking in a low-alloy steel lever casting. Original magnification:...
Available to PurchasePublished: 01 December 2008
Fig. 17 Quench cracking in a low-alloy steel lever casting. Original magnification: 1000×. Courtesy of Stork Technimet, Inc. New Berlin, WI
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Published: 01 June 2016
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Published: 01 October 2014
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Effects on quench cracking sensitivity of manganese and carbon in manganese...
Available to PurchasePublished: 01 October 2014
Fig. 9 Effects on quench cracking sensitivity of manganese and carbon in manganese steels and of nickel and carbon in nickel steels . Source: Ref 15
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Published: 01 October 2014
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Published: 01 October 2014
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Published: 30 September 2014
Fig. 10 Effect of martensite start ( M s ) temperature on quench cracking frequency. Source: Ref 14
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Published: 30 September 2014
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Published: 30 September 2014
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Design solution to quench-cracking problem encountered in shaft hardening o...
Available to PurchasePublished: 30 September 2014
Fig. 34 Design solution to quench-cracking problem encountered in shaft hardening over a cross hole. Source: Ref 36 , 37 )
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Published: 30 September 2014
Fig. 53 Quench cracking of a gear shaft made of 20CrMnTi steel. Source: Ref 7 . Reprinted with permission.
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Brittle intergranular fracture of AISI 9254 due to quench cracking. The cra...
Available to PurchasePublished: 01 January 1987
Fig. 540 Brittle intergranular fracture of AISI 9254 due to quench cracking. The crack initiated at a seam, 0.15 mm (0.006 in.) deep. The seam wall is the irregularly textured area at top in the fractograph. SEM, 200× (J.H. Maker, Associated Spring, Barnes Group Inc.)
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Design solutions to the quench-cracking problem often encountered in shaft ...
Available to PurchasePublished: 01 January 2002
Fig. 28 Design solutions to the quench-cracking problem often encountered in shaft hardening over a cross hole
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Published: 01 January 2002
Fig. 59 Effect of M s temperature and carbon equivalent (CE) on quench cracking of selected steels
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Quench cracking in a hypoeutectoid steel. The intergranular cracks are fill...
Available to PurchasePublished: 01 January 2002
Fig. 30 Quench cracking in a hypoeutectoid steel. The intergranular cracks are filled with tempering scale. 2% nital etch. 297×
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Quench cracking in a hypoeutectoid steel. The intergranular cracks are fill...
Available to PurchasePublished: 15 January 2021
Fig. 32 Quench cracking in a hypoeutectoid steel. The intergranular cracks are filled with tempering scale. 2% nital etch. Original magnification: 297×
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in Modeling of Quenching, Residual-Stress Formation, and Quench Cracking
> Metals Process Simulation
Published: 01 November 2010
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