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ferrite

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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...
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Published: 01 August 2018
Fig. 9.67 Widmanstätten ferrite in a medium carbon steel. The ferrite plates in this case are disposed at an angle of 60° in the prior austenitic grain. Etchant: aqua regia. More
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Published: 01 March 2002
Fig. 2.14 A form of ferrite called Widmanstätten ferrite in a coarse-grained AISI/SAE 1025 steel. 4% picral etch. 100× More
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Published: 01 August 2018
Fig. 17.34 Gray cast iron with ferrite dendrites. Ferrite is formed due to graphitization during cooling in the solid state. Distribution D graphite. Etchant: picral. More
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Published: 01 March 2002
Fig. 8.18 A dual-phase steel showing epitaxial ferrite (new ferrite) at prior austenite grain boundaries. The epitaxial ferrite formed when the steel was heated into the two-phase region. Austenite formed at the grain boundaries, and ferrite transformed epitaxially on the old ferrite upon More
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Published: 01 March 2002
Fig. 8.36 Epitaxial ferrite in a dual-phase steel. The epitaxial ferrite is surrounding regions of martensite (dark-appearing constituent) (see arrows). Matrix is ferrite. Sodium metabisulfite tint etch. 1000× More
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Published: 01 August 1999
Fig. 5.16 (Part 3) Ferrite-pearlite banding. (i) Pancake arrangement of ferrite and pearlite bands in banded plate. (j) Variation of manganese and silicon contents across representative ferrite-pearlite bands in the specimen shown in Fig. 5.16 (Part 2) (e) . Determined by EPMA. More
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Published: 01 January 2015
Fig. 7.14 Schematic diagram of intragranular acicular ferrite (IAF) and other ferrite morphologies in weld metal. Source: Ref 7.28 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310109
EISBN: 978-1-62708-286-0
... Abstract This chapter discusses the alloy composition, metallurgy, mechanical behavior, stabilization, texture, anisotropy, high-temperature properties, and corrosion and oxidation resistance of ferritic stainless steels. ferritic stainless steels alloy composition mechanical behavior...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900219
EISBN: 978-1-62708-350-8
... in the nitrocarburizing trials Fig. 5 Typical hardness profile on a crankshaft after 3 h nitrocarburizing Fig. 6 Compound layer on a crankshaft after 3 h nitrocarburizing Fig. 7 Fatigue tests results Abstract Gaseous ferritic nitrocarburizing, like salt bath nitrocarburizing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900231
EISBN: 978-1-62708-350-8
... 580 1075 0.00136 585 1085 0.00146 595 1100 0.00160 605 1125 0.00187 620 1150 0.00218 635 1175 0.00252 650 1200 0.00291 660 1225 0.00334 675 1250 0.00382 Fig. 7 Milling cutter after ferritic oxynitrocarburizing. Courtesy of Plateg GmbH Fig. 8...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900241
EISBN: 978-1-62708-350-8
... Fig. 1 Precleaning methods for gas and salt bath ferritic nitrocarburizing 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...
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Published: 01 November 2019
Figure 24 X-ray CT analysis shows a crack in the ferrite core. More
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Published: 01 May 2018
FIG. 4.4 Microstructure of 0.20% carbon steel. The white phase is ferrite, the phase with alternate plates of white and dark is pearlite, and the dark lines are boundaries between crystals of different orientations. More
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Published: 01 June 1983
Figure 11.2 Schaeffler diagram for determining the approximate amount of δ -ferrite in the microstructure of austenitic stainless steel welds ( Schaeffler, 1949 ). More
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Published: 01 June 1983
Figure 11.25 The effect of δ -ferrite and nitrogen content on the tensile properties at 4 K of CF8M austenitic stainless steel castings. The castings in the δ -ferrite study contained 0.05% N and the castings in the nitrogen study contained 9 ± 1% δ -ferrite ( Whipple and McHenry, 1982 ). More
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Published: 01 June 1983
Figure 11.26 The effect of δ -ferrite on the fracture toughness at 4 K of CF8M austenitic stainless steel castings containing 0.05% N ( Whipple and McHenry, 1982 ). More
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Published: 01 August 2018
Fig. 2.4 An example of wrought iron. The matrix is ferrite with very low C content. A large amount of silicate-based nonmetallic inclusions (the slag of the refining process) can be seen. The inclusions are elongated in the major working direction (see Chapter 11, “Hot Working,” in this book More