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Carbides

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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 December 2001
DOI: 10.31399/asm.tb.aub.t61170573
EISBN: 978-1-62708-297-6
... Abstract This article discusses the applications, compositions, and properties of cemented carbides and cermets. It explains how alloying elements, grain size, and binder content influence the properties and behaviors of cemented carbides. It also discusses the properties of steel-bonded...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300271
EISBN: 978-1-62708-323-2
... Abstract This chapter concerns itself with the tribology of ceramics, cermets, and cemented carbides. It begins by describing the composition and friction and wear behaviors of aluminum oxide, silicon carbide, silicon nitride, and zirconia. It then compares and contrasts the microstructure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770051
EISBN: 978-1-62708-337-9
... Abstract This chapter discusses the formation of free carbides and their effect on case-carburized components. It explains how alloying elements influence the composition and structure of carbide phases produced at cooling rates typical of carburizing process. It describes the morphology...
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Published: 01 March 2002
Fig. 8.12 Carbides in an AISI A2 tool steel. Note the carbides are not attacked, but their boundaries are enhanced. 2% nital etch. 1000× More
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Published: 01 March 2002
Fig. 8.27 An AISI D2 tool steel showing large eutectic carbides and small carbides in a martensitic matrix. Vilella’s reagent. 500× More
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Published: 30 September 2023
Figure 13.25: Decrease in hardness of carbides with increasing temperature. More
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Published: 01 June 1985
Fig. 3-26. Microstructure, 500×. 3% nital etch. Fine spheroidal carbides scattered throughout a tempered martensitic case. More
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Published: 01 June 1985
Fig. 3-27. Microstructure, 200×. 3% nital etch. Massive globular carbides in matrix of tempered martensite. More
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Published: 01 June 1985
Fig. 3-28. Microstructure, 200×. 3% nital etch. Massive carbides in network around grain boundaries. Matrix of tempered martensite and bainite. More
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Published: 01 December 2018
Fig. 6.30 Core microstructure indicating coarsening of carbides at the grain boundaries in the tempered martensitic matrix, (a) 400×, (b) 1000× More
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Published: 01 January 2015
Fig. 6.10 Lower bainite with fine carbides within ferrite plates in 4360 steel transformed at 300 °C (570 °F). Transmission electron micrograph, original magnification 24,000×. Source: Ref 6.12 More
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Published: 01 January 2015
Fig. 6.11 Lower bainite, showing fine carbides in the plates of the lower bainite, on a polished and nital-etched section of a medium carbon steel. Original magnification 3,000×, Field Emission SEM micrograph More
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Published: 01 March 2002
Fig. 6.16 An extraction replica showing titanium-molybdenum carbides in a high-strength, low-alloy steel. 130,000× More
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Published: 01 March 2002
Fig. 6.28 A STEM micrograph of titanium-molybdenum carbides in an extraction replica of a HSLA steel. Micrograph taken in dark field, thus the precipitates appear white in a dark matrix. 230,000×. Courtesy of K.A. Taylor, Bethlehem Steel Corporation More
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Published: 01 March 2002
Fig. 8.8 Low-carbon steel etched in 2% nital. Note grain-boundary carbides (arrows) are difficult to see. 180× More
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Published: 01 March 2002
Fig. 8.23 Carbides in a low-carbon steel. 4% picral. 1500× More
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Published: 01 March 2002
Fig. 8.24 Surface carbides resulting from a carbon stain on the sheet surface of a batch-annealed low-carbon steel (see arrows). 4% picral plus zephiran chloride. 1000× More
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Published: 01 March 2002
Fig. 8.33 Water-quenched and tempered AISI/SAE 1020 steel showing fine carbides and residual laths of martensite. 4% picral followed by 2% nital etch. 500× More
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Published: 01 January 2015
Fig. 11.11 Precipitate dispersions in quench-aged low-carbon steels. (a) Carbides decorating dislocation lines in 0.052% C steel aged for 20 min at 97 °C (207 °F). (b) Plate-shaped carbides formed on dislocations in a 0.077% C steel aged for 115 h at 97 °C (207 °F). (c) Dendritic carbides More