1-20 of 349 Search Results for

quench cracking

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310055
EISBN: 978-1-62708-326-3
... identified as “N,” “FA,” and “S” in (a) are temperature ranges for normalizing, full annealing, and spheroidizing heat treatments, respectively. Fig. 21 Quench cracks due to excessively large grain boundaries resulting from excessively high austenitizing temperature. Note cracking patterns...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310163
EISBN: 978-1-62708-326-3
... each) are austempering and martempering. These methods of interrupted quenching are used to develop specific microstructures, minimize distortion and warping, and reduce susceptibility to cracking. Their benefits in relation to lower internal stress were recognized earlier; however, their full...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310079
EISBN: 978-1-62708-326-3
... 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 sometimes seem more practical to use a coarser-grained steel rather...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310127
EISBN: 978-1-62708-326-3
... recovery, recrystallization, and grain growth. This is followed by discussions on annealing processes, namely subcritical annealing, critical-range annealing, full annealing, isothermal annealing, annealing for microstructure, and solution or quench annealing. Next, the chapter describes two undesirable...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310285
EISBN: 978-1-62708-326-3
... stresses can cause 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310095
EISBN: 978-1-62708-326-3
... 0.050 1080 G10800 0.75–0.88 0.60–0.90 0.040 0.050 1090 G10900 0.85–0.98 0.60–0.90 0.040 0.050 1095 G10950 0.90–1.03 0.30–0.50 0.040 0.050 Source: Ref 2 , 3 Table 9 End-quench hardenability limits of selected H-steels with nominal 0.45 wt% C J-position 1345H...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.9781627083263
EISBN: 978-1-62708-326-3
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310351
EISBN: 978-1-62708-326-3
...: Precipitation hardening from the fine dispersion of second-phase precipitates that form in a metastable (quenched) single-phase alloy Two-phase nonferrous alloys (such as titanium-base alloys and high-zinc copper-zinc alloys), where strength can be obtained with a mixture of two phases of comparable quantity...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310233
EISBN: 978-1-62708-326-3
... important differences stemming from the high alloy content of the stainless grades. The high alloying causes the hardenability of martensitic stainless steel is very high. Quenching rate is not a significant issue given the high hardenability of the martensitic stainless steels, but the quenching rate must...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310331
EISBN: 978-1-62708-326-3
... pearlitic structure of the same hardness. Irons with high silicon content either do not respond well to quenching or are prone to cracking. The surface hardening of iron castings (case hardening) is an effective and economical method of providing wear resistance where it is needed. Surface...
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: 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...
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...
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: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090317
EISBN: 978-1-62708-266-2
... quenches frequently required to obtain these phases (particularly in dilute alloys), however, introduce substantial residual stresses, which can provide the driving force for subsequent environmentally assisted cracking. The microstructures and properties of as-quenched uranium alloys are summarized in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090067
EISBN: 978-1-62708-266-2
... to levels as low as possible decreases susceptibility; grain-boundary composition an important factor Heat treatment For quenched and tempered steels, small prior-austenite grain size improves resistance. In maraging steels, crack velocity increases with decrease in aging temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090241
EISBN: 978-1-62708-266-2
..., which forms a second phase, causes little additional change in solution potential. Fig. 8.3 Effects of principal alloying elements on the electrolytic-solution potential of aluminum. Potentials are for solution-treated and quenched high-purity binary alloys in a solution of 53 g/L NaCl plus 3 g/L...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870099
EISBN: 978-1-62708-299-0
... between the grain bodies and the copper-depleted zone at the grain boundaries. Fig. 18 Effect of cooling rate during quenching between 400 to 315 °C (750 to 600 °F) on susceptibility to intergranular corrosion and stress corrosion cracking. (a) Darkened area is susceptible to intergranular...