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quench distortion

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Published: 01 December 1995
Fig. 24-74 (a) This track shoe of SAE 1037, water quenched, distorted up to 0.010 in. due to lightening of groove. Redesign to remove grooves (which improved uniformity of section) reduced distortion to 0.003 in. max (1). (b) In this design, the flange will invariably crack during quenching More
Image
Published: 01 September 2008
Fig. 11 Distortion often encountered when quenching a notch. Source: Ref 3 More
Image
Published: 01 September 2008
Fig. 21 Distortion often encountered when quenching a notch. Source: Ref 20 More
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: 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250163
EISBN: 978-1-62708-345-4
... gears made of some high-alloy steels (alloy content above 5%), are first cooled in air to room temperature after carburizing and then reheated and quenched for low distortion. Nevertheless, direct quenching has gained wider acceptance, primarily because of economy and simplicity of the procedure...
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. Origins of Distortion Distortion of a part may be classified as size distortion or shape distortion...
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 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... for induction heating and quenching, the use of magnetic flux concentrators to improve the efficiency of surface heating, and the quenching systems used for induction hardening. The discussion also provides information on time-temperature dependence in induction heating, workpiece distortion in induction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320021
EISBN: 978-1-62708-347-8
... gears, particularly quench and tempered class, experience enough distortion that will eventually lower the quality level of gears after heat treatment. This necessitates a finishing operation for higher quality. In general, some materials expand after a through-hardening operation while others contract...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320033
EISBN: 978-1-62708-347-8
... is very important for its success. Correct quench rates, commensurate with the alloy selection, offer a less drastic quench mode for fully hardened case and core, which atmospheric carburizing and quenching does not allow. This also results in reduced distortion of parts. The major advantage of vacuum...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250155
EISBN: 978-1-62708-345-4
..., normalizing and tempering, and quenching and tempering. This chapter discusses the processes involved in the through-hardening of gears. It provides information on designing procedures, hardness, distortion, and applications of the through-hardened gears. The chapter presents a case history on the design...
Image
Published: 01 November 2023
Fig. 6 Photocarriers generated during VLP cause problems ( Ref 25 ). (a) Diagram representing quenching of the generated photocarriers. Carriers generated at diffusion length from the junction are quenched slowly, causing distortion in the waveforms. (b) Waveforms generated with visible light More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900325
EISBN: 978-1-62708-358-4
... of the heat treatment process, including stress relief, preheating, austenitizing, quenching, and tempering, must be carried out with care according to recommended practices for each grade of steel. Excessive distortion, especially in nonsymmetric tools, may develop in several stages of the hardening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320175
EISBN: 978-1-62708-347-8
... of material from cold working. A quench and tempered material condition before heat treatment, however, provides the best hardening response and most repeatable distortion. Pre-Heat Treatment For more consistent results, it is recommended that coarser pitch gears of leaner alloy steels receive a quench...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900013
EISBN: 978-1-62708-350-8
.... This chapter focuses on key process considerations and factors that helped nitriding gain acceptance. These factors include a low-temperature process, no quench requirement, minimal distortion, high hardness values, and resistance to oxidation. distortion hardness nitriding oxidation resistance...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250245
EISBN: 978-1-62708-345-4
..., the typical case depths, and the hardenability of carbonitrided parts. In addition, the chapter also discusses the processes involved in quenching, tempering, and distortion of carbonitrided steels. carbonitriding distortion gears hardenability quenching steel tempering CARBONITRIDING...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770135
EISBN: 978-1-62708-337-9
... fatigue. It also discusses the effect of quenching methods and addresses the issue of distortion. bending fatigue carburized part case carbon content case depth chemical composition contact fatigue core hardness hardenability microstructure quenching surface hardness tensile properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
... stress exceeds the local tensile strength of the material, yielding (permanent plastic deformation) or cracking results (Ref 5) . This plastic flow causes permanent shape change (distortion) and impacts the magnitude and distribution of residual stresses. Water quenching gives a high h...