1-20 of 460 Search Results for

austenitizing

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.t59310163
EISBN: 978-1-62708-326-3
... Abstract This chapter discusses the processes involved in the heat treatment of steel, namely austenitizing, hardening, quenching, and tempering. It begins with an overview of austenitizing of steels by induction heating, followed by a discussion on the processes involved in transformation of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130537
EISBN: 978-1-62708-284-6
... Table A4.1 Austenitizing temperatures for direct-hardening carbon and alloy steels (SAE) Steel Temperature °C °F Carbon steels 1025 855–900 1575–1650 1030 845–870 1550–1600 1035 830–855 1525–1575 1037 830–855 1525–1575 1038 (a) 830–855 1525–1575...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310161
EISBN: 978-1-62708-286-0
... Abstract This chapter discusses different thermal processes applicable to the various alloy groups of stainless steels, namely austenitic, ferritic, martensitic, precipitation hardening, and duplex stainless steels. The processes discussed include soaking, annealing, stress relieving...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240177
EISBN: 978-1-62708-251-8
..., formability, and machinability. This chapter discusses various heat treatment processes, namely annealing, stress relieving, normalizing, spheroidizing, and hardening by austenitizing, quenching and tempering. It also discusses two types of interrupted quenching processes: martempering and austempering. The...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140107
EISBN: 978-1-62708-264-8
... Abstract The first step in the hardening of steel is getting it hot enough to form austenite, from which martensite can form upon quenching. Not all steels have the same austenitization requirements, however. High-carbon wear-resistant steels, such as bearing and tool steels, require the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440191
EISBN: 978-1-62708-262-4
... treating tool steels, that is, annealing, austenitizing, tempering, and so forth. This chapter focuses on these heat treating processes of tool steels. Classification and approximate compositions and heating treating practices of some principal types of tool steels are provided. The steel types discussed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560185
EISBN: 978-1-62708-291-4
... Abstract This chapter examines the structural changes that occur in high-carbon steels during austenitization. It describes the effect of heating time and temperature on the production of austenite and the associated transformation of ferrite and cementite in eutectoid, hypoeutectoid, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560283
EISBN: 978-1-62708-291-4
... Abstract This chapter describes the effects that can be observed by light microscopy when a steel in the hardened condition, consisting of martensite and possibly some retained austenite, is heated at subcritical temperatures. It includes micrographs that illustrate the effect of carbide...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560221
EISBN: 978-1-62708-291-4
... Abstract This chapter discusses the isothermal transformation of austenite to pearlite, bainite, martensite, proeutectoid ferrite, and proeutectoid cementite. It describes the transformation mechanisms in eutectoid, hypoeutectoid, and hypereutectoid steels, the factors that influence nucleation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560165
EISBN: 978-1-62708-291-4
... spheroidization of normalized and annealed steels by heating at subcritical temperatures. It explains how lamellar pearlite and proeutectoid cementite transform when heated and how deformation prior to heating affects both the mechanism and kinetics of spheroidization. It also explains how austenitizing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560029
EISBN: 978-1-62708-291-4
.... , Alloying Elements in Steel , 2nd ed. , American Society for Metals , Metals Park, OH , 1961 . Under conditions of thermodynamical equilibrium, the alloys of iron and carbon consist of interstitial solid solutions of carbon in the three polymorphs of iron (namely, austenite, ferrite, and δ...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560081
EISBN: 978-1-62708-291-4
... austenite modify the transformation characteristics of the austenite, a phenomenon that is discussed in Chapter 3 . A result is that it becomes possible for bainite to form during continuous cooling of the austenite from the appropriate austenitizing temperature, either alone or in addition to pearlite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560361
EISBN: 978-1-62708-291-4
.... Under equilibrium conditions, wüstite formed at high temperatures decomposes at temperatures below 570 °C to magnetite and iron by a eutectoid transformation ( Fig. 12.1 (Part 3) i ). This transformation is similar in principle to that of the austenite transformation and can be described by a similar...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560125
EISBN: 978-1-62708-291-4
.... Grozier J.D. , Rev. Met. , 1966 , 63 , 939 . 4. Hillert M. , Decomposition of Austenite by Diffusional Processes , Zackay V.F. and Aaronson H.I. , Ed., Interscience , New York , 1962 , p 197 . 5. Darken L.S. and Fisher R.M. , Decomposition of...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560309
EISBN: 978-1-62708-291-4
... following standard identification code: A: Weld region B: Extreme boundary of the fully austenitized zone C: Extreme boundary of the partly austenitized zone D: Extreme boundary of the spheroidized zone. An example of a drawing of this nature for a fusion weld is given in Fig. 11.1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560005
EISBN: 978-1-62708-291-4
... suggested the terms ferrite , cementite , pearlyte (pearlite), hardenite , and sorbite . Osmond added austenite , martensite , sorbite (different from Howe’s), and troostite , and through common usage the terminology that now prevails gradually became adopted. However, Smith rightly pointed out...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560039
EISBN: 978-1-62708-291-4
... temperature (about 900 °C), at which the structure will be fully austenitic; the austenite will recrystallize under the influence of the final rolling pass. If the finishing temperature is sufficiently low, however, the structure during final rolling will be composed of a mixture of ferrite and austenite, and...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560453
EISBN: 978-1-62708-291-4
... austenitic grain size in quenched-and-tempered steels in some circumstances. Also effective in revealing alloy segregation in quenched-and-tempered steels. The use of water as solvent is critical to the action of the etchant, but substitution may be made for the wetting agent. 1. Béchet S...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.9781627082914
EISBN: 978-1-62708-291-4
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560001
EISBN: 978-1-62708-291-4