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quench cracking

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Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310055
EISBN: 978-1-62708-326-3
... information on the causes and characteristics of residual stresses, distortion, and quench cracking of steel. austenite transformation continuous cooling transformation diagram cooling rate distortion isothermal transformation diagram quench cracking quenchants quenching steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130255
EISBN: 978-1-62708-284-6
... Abstract This chapter provides an overview of the fundamental material- and process-related parameters of quenching on residual stress, distortion control, and cracking. It begins with a description of phase transformations during heating and quenching of steel. This is followed by a section...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050175
EISBN: 978-1-62708-311-9
... Abstract This chapter explains how to recognize decarburization and related defects. It includes images showing how decarburization appears in various steels, discusses stock removal practices, and describes common defects and flaws such as quench cracks and where they are typically found...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140117
EISBN: 978-1-62708-264-8
... on the transformations that occur at different cooling rates and the extent to which they can be changed by adjusting quench parameters. It discusses the role of quenching in martempering and austempering along with related problems such as cracking and distortion and the challenges posed by low-hardenability steels...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050139
EISBN: 978-1-62708-311-9
... to verify whether a quenchant can cool a workpiece fast enough to achieve martensitic transformation without cracking or distortion. induction heat treating quenchants quenching WHEN INDUCTION HARDENING, the workpieces are cooled by surrounding, spraying, or immersing the part in a quenchant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220273
EISBN: 978-1-62708-259-4
.... It also discusses the concepts of hardenability, critical diameter, quench severity, and Jominy testing. annealing carburizing normalizing quenching steel tempering hardenability Jominy testing quench cracking The aim of this chapter is to discuss the main conventional heat treatments...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310203
EISBN: 978-1-62708-326-3
... with lower carbon content may be readily offset by higher hardenability from alloying. Lower carbon content in steel reduces the susceptibility to quench cracking, which increases with increasing carbon content. For a given section size, alloying elements also permit slower quench rates. For hardening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
..., dimensional stability, and generation of quenching and grinding cracks. They also include insufficient case hardness and improper core hardness, influence of surface carbon content and grain size, internal oxidation, structure of carbides, and inclusion of noncarbide. Details on micropitting, macropitting...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310163
EISBN: 978-1-62708-326-3
... Heat Treating Fundamentals and Processes , Vol 4A , ASM Handbook , ASM International , 2013 , p 91 – 157 10.31399/asm.hb.v04a.a0005824 7. Kern R.F. , Distortion and Cracking, II: Distortion from Quenching , Heat Treating , March 1985 , p 41 – 45 8. Scott MacKenzie D...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310285
EISBN: 978-1-62708-326-3
... increased distortion or cracking during the austenitizing and quenching treatments, or during subsequent machining. If a tool steel workpiece has been heavily machined or formed, if the shape is complex, or if it has significant changes in section thickness, then it should be stress relieved before...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050263
EISBN: 978-1-62708-311-9
... for not meeting a hardness specification, case depth specification, or pattern length or for having a defect such as melting or a quench crack. Recommendations for inspection and testing are discussed in Chapter 12, “Standards and Inspection,” in this book, along with methods for valid and reliable test results...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310079
EISBN: 978-1-62708-326-3
... the possibility of quench cracking. When the danger of quench cracking is remote (no abrupt changes in section thickness) and engineering considerations permit, it may sometimes seem more practical to use a coarser-grained steel rather than a fine-grained or more expensive alloy steel to obtain hardenability...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410487
EISBN: 978-1-62708-265-5
... heat treatments designed to minimize undesirable residual stress, quench cracking, and distortion. Some comments and references to modeling of residual stress and distortion conclude the chapter. References 20.1 Lement B.S. , Distortion in Tool Steels , American Society...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
... are generally undesirable, since they can contribute to, and are often the major cause of, fatigue failure, quench cracking, and stress-corrosion cracking. Compressive residual stresses in the surface layers are usually beneficial, since they increase both fatigue strength and resistance to stress-corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
..., and porosity. Forgings can have laps, seams, segregation, and anisotropy in properties from forging flow lines. In one example ( Fig. 1 ), a large roll was heat treated, and several large cracks were observed after inspection. This was originally attributed to quench cracking. On further examination...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... A. and Hougardy H.P. , in Proceedings of the Transformation and Hardenability in Steels Symposium , Climax Molybdenum Company , 1967 , p 155 – 167 13. Blackwood R.R. , Jarvis L.M. , Hoffman D.G. , and Totten G.E. , Conditions Leading to Quench Cracking Other than Severity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130087
EISBN: 978-1-62708-284-6
... a very wide range of responses to the heat, heating rate, heating dwell time, cooling rate, and so on. Lean and rich alloy content can have a strong influence on whether or not quench cracks occur. Lean and rich compositions also strongly influence how readily the hardness specification is attained...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410439
EISBN: 978-1-62708-265-5
...-temperature hydrogen attack and its effect on strength and ductility. cracking hydrogen embrittlement liquid-metal-induced embrittlement quench embrittlement temper embrittlement tempered-martensite embrittlement toughness TOUGHNESS IS THE TERM used to describe the ability of a steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770171
EISBN: 978-1-62708-337-9
... and reducing the propensity of quenched carburized steels to burn and crack during surface grinding. The chapter includes numerous data plots and tables showing how the various treatments influence hardness, wear resistance, tensile properties, and fatigue and fracture behaviors. bending fatigue carbon...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050093
EISBN: 978-1-62708-311-9
... gradients that occur during heating or cooling produce the stresses. The nature of stresses in a workpiece before induction hardening can influence distortion and cracking tendencies during heating and quenching. Often individuals question what can cause these effects. The answer is a lot. Table 5.8 shows...