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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410039
EISBN: 978-1-62708-265-5
... The microstructure of carbon steel is largely determined by the transformation of austenite to ferrite, cementite, and pearlite. This chapter focuses on the microstructures produced by diffusion-controlled transformations that occur at relatively low cooling rates. It describes the conditions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410277
EISBN: 978-1-62708-265-5
... This chapter describes heat treatments that produce uniform grain structures, reduce residual stresses, and improve ductility and machinability. It also discusses spheroidizing treatments that improve strength and toughness by promoting dispersions of spherical carbides in a ferrite matrix...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410113
EISBN: 978-1-62708-265-5
... This chapter describes the ferritic microstructures that form in carbon steels under continuous cooling conditions. It begins with a review of the Dubé classification system for crystal morphologies. It then explains how cooling-rate-induced changes involving carbon atom diffusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310109
EISBN: 978-1-62708-286-0
...Ferritic stainless compositions Table 1 Ferritic stainless compositions Alloy Designation C N Cr Ni Mn Si Mo P S Ti Nb Other 405 S40500 0.08 … 11.5–14.5 0.6 1 1 … 0.04 0.03 … … 0.10–0.30 Al 400 AK alloy 0.05 … 12.0–13.0 … 1 1 … 0.03 0.03...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900219
EISBN: 978-1-62708-350-8
...Abstract Abstract Gaseous ferritic nitrocarburizing, like salt bath nitrocarburizing, involves the introduction of carbon and nitrogen into steel in order to produce a thin layer of iron carbonitride and nitrides, the "white layer" or compound layer, with an underlying diffusion zone containing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900231
EISBN: 978-1-62708-350-8
...Abstract Abstract This chapter discusses equipment used for ferritic nitrocarburizing, including salt bath furnaces, atmosphere furnaces, and plasma furnaces. It also describes the processes involved in ferritic oxynitrocarburizing. atmosphere furnaces ferritic nitrocarburizing plasma...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900241
EISBN: 978-1-62708-350-8
...Abstract Abstract Surface cleanliness requirements depend on which nitrocarburizing process is selected for component treatment. This chapter discusses the processes involved in some of the more commonly used precleaning methods for gas ferritic nitrocarburizing and provides information...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410213
EISBN: 978-1-62708-265-5
... This chapter discusses the stress-strain response of ferritic microstructures and its influence on tensile deformation, strain hardening, and ductile fracture of carbon steels. It describes the ductile-to-brittle transition that occurs in bcc ferrite, the effects of aging and grain size...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900193
EISBN: 978-1-62708-350-8
...Abstract Abstract Ferritic nitrocarburizing accomplishes surface treatment of a part in the ferrite region of the iron-carbon equilibrium diagram. This chapter presents the history and process benefits of ferritic nitrocarburizing. ferritic nitrocarburizing iron-carbon equilibrium...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900201
EISBN: 978-1-62708-350-8
...Abstract Abstract This chapter provides a detailed discussion of salt bath nitrocarburizing. Process variations discussed include low-cyanide salt bath ferritic nitrocarburizing, salt bath nitrocarburizing plus post treatment, and the Kolene Nu-Tride process. salt bath ferritic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.9781627083508
EISBN: 978-1-62708-350-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820077
EISBN: 978-1-62708-339-3
...Nominal chemical composition of representative Group I standard-grade 400-series ferritic stainless steels Table 1 Nominal chemical composition of representative Group I standard-grade 400-series ferritic stainless steels UNS No. Type Composition (a) , wt% C Cr Mo Other...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310029
EISBN: 978-1-62708-326-3
...Atomic volumes of selected microstructural constituents of ferrous alloys Table 1 Atomic volumes of selected microstructural constituents of ferrous alloys Phase Apparent atomic volume, Å 3 Ferrite 11.789 Cementite 12.769 Ferrite + carbides 11.786 + 0.163 C...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410099
EISBN: 978-1-62708-265-5
... drag on bainite formation mechanisms. It also discusses the development of ferrite-carbide bainites and their effect on toughness, hardness, and ductility. bainite bainitic transformation ferrite mechanical behavior Bainite—An Intermediate Temperature Transformation Product of Austenite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220193
EISBN: 978-1-62708-259-4
..., namely martensite and bainite. It also discusses the formation of austenite, the control and measurement of austenitic grain size, the characteristics of ferritic microstructures, and the methods used to classify ferrite morphology. austenite austenite decomposition austenitic grain size bainite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220101
EISBN: 978-1-62708-259-4
...Abstract Abstract This chapter describes the phases and constituents present in iron-carbon steels in near-equilibrium conditions. It explains how to use phase diagrams to predict and manage the development of ferrite, austenite, cementite, and pearlite through controlled cooling. It discusses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
...-ray diffraction, and x-ray photoelectron spectroscopy. It explains how the tools work and what they reveal. It also covers the topic of image analysis and its application in the measurement of grain size, phase/volume fraction, delta ferrite and retained austenite, inclusion rating, depth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560125
EISBN: 978-1-62708-291-4
... Fig. 6.1 (Part 1) Effect of carbon content on annealed steels. See also Fig. 6.2 to 6.4 . (a) and (b) 0.15% C (0.17C-0.06Si-0.41 Mn, wt%). Austenitized at 925 °C, cooled at 100 °C/h. 115 HV. 80 vol% ferrite. (a) Picral. 100×. (b) Picral. 500×. (c) and (d) 0.25% C (0.23C-0.06Si...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410017
EISBN: 978-1-62708-265-5
... This chapter describes the iron-carbon phase diagram, its modification by alloying elements, and the effect of carbon on the chemistry and crystallography of austenite, ferrite, and cementite found in Fe-C alloys and steels. It also lays the groundwork for understanding important metallurgical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560039
EISBN: 978-1-62708-291-4
.... 1% nital + picral. 1000×. (g) Core. 70 HV. 1% nital. 250×. (h) 70 HV. 1% nital + picral. 1000×. Fig. 4.3 (Part 1) Effects of finishing and coiling temperatures on ferritic grain structure of hot-rolled low-carbon strip. Rimming grade. 0.09C-0.41Mn-0.005Si (wt%). As-rolled. (a) 140 HV...