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quench cracks

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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 on...
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 THE...
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 August 2015
DOI: 10.31399/asm.tb.piht2.t55050139
EISBN: 978-1-62708-311-9
... 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...
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
... 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. It...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310163
EISBN: 978-1-62708-326-3
... Steel , Steel 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310079
EISBN: 978-1-62708-326-3
.... There are limits to increasing grain size, because toughness is degraded with larger grain size. Increases in grain size also increase 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...
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: 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 2006
DOI: 10.31399/asm.tb.cw.t51820115
EISBN: 978-1-62708-339-3
... quenching, and then tempered for increased ductility and toughness. This chapter provides a basic understanding of grade designations, properties, corrosion resistance, and general welding considerations of martensitic stainless steels. It also discusses the causes for hydrogen-induced cracking in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770171
EISBN: 978-1-62708-337-9
... 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870099
EISBN: 978-1-62708-299-0
... they are solution heat treated and quenched. Figure 5(a) shows the typical distribution and magnitude of residual stresses in thick high-strength material of constant cross section. Quenching places the surfaces in compression and the center in tension. If the compressive surface stresses are not...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
... Cracking and Segregation in Multi-Pass Welds of Quenched and Tempered Steel , Trends in Welding Research , David S.A. et al ., Ed., ASM International , 2002 , p 575 – 580 46. Wood W. , Devletian J.H. , and Turpin R. , “ NGI-ESW Consumables Development ,” Final Report...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220273
EISBN: 978-1-62708-259-4
... 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
... application, as the decrease in hardenability 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140099
EISBN: 978-1-62708-264-8
... plate martensite formed on quenching, may be seen in Fig. 4.15(b) . An enlargement of a region showing quench cracks (Q.C.) is shown in Fig. 10.5 . Such cracks often occur where martensite plates impinge on each other, leading to a severe loss in toughness. Lath martensite is an inherently better form...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240177
EISBN: 978-1-62708-251-8
... transfer from the bar to the quench media ( H = ∞), so the surface immediately achieves the temperature of the quench bath. Representative quench values are shown in Table 11.1 . While water quenching produces a fairly rapid cooling rate, it also produces high residual stresses that can lead to cracking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410335
EISBN: 978-1-62708-265-5
... in the form of quench cracking and quench embrittlement. For high-carbon steels, containing 0.60 to 1.10 wt% carbon, Jatczak extended the Grossmann-Bain approach to hardenability, and developed two sets of alloy multiplying factors depending on austenitizing temperature ( Ref 16.27 ). At...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... Below 0.35% C, the treated surface is insufficiently hard, and above 0.6% C, there is a danger of surface cracking after quenching. To obtain a satisfactory hardening response in induction surface hardening, it is necessary for the carbides to dissolve when the steel is heated. Thus, steels that have...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440055
EISBN: 978-1-62708-262-4
... disadvantages of furnaces classified based on the heat transfer medium employed. The types of furnaces covered are batch-type, continuous-type, liquid bath, fluidized bed, and vacuum. The subsequent sections provide information on furnace parts, fixtures, quenching mediums, and quenching systems. The final...