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carbonitriding

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320171
EISBN: 978-1-62708-347-8
... Abstract Carbonitriding is a process in which carbon and alloy steel gears are held at a temperature above the transformation range in a gaseous atmosphere of such composition that the steel absorbs carbon and nitrogen simultaneously. The gears are then cooled at a specific rate to room...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250245
EISBN: 978-1-62708-345-4
...Effect of tempering on Charpy V-notch impact strength of carbonitrided 1041 steel Table 1 Effect of tempering on Charpy V-notch impact strength of carbonitrided 1041 steel Specimens were carbonitrided at 845 °C (1550 °F) for 3 h in an atmosphere containing 7% ammonia, and were oil quenched...
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Published: 01 August 1999
Fig. 12.28 (Part 1) Carbonitriding of a low-carbon steel. 0.15% C (0.17C-0.05Si-0.64Mn, wt%). Carbonitrided for 12 h at 520 °C in a 80%NH 3 -20%H 2 atmosphere. Cooled in air. The specimen was nickel plated before sectioning. (a) Comparatively light etch. 2% nital. 100×. (b) Medium More
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Published: 01 August 1999
Fig. 12.28 (Part 2) Carbonitriding of a low-carbon steel. 0.15% C (0.17C-0.05Si-0.64Mn, wt%). Carbonitrided for 12 h at 520 °C in a 80%NH 3 -20%H 2 atmosphere. Cooled in air. The specimen was nickel plated before sectioning. (a) Comparatively light etch. 2% nital. 100×. (d) Medium More
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Published: 01 August 1999
Fig. 12.29 (Part 1) Carbonitriding of a low-carbon steel. 0.15% C (0.17C-0.05Si-0.64Mn, wt%). Carbonitrided for 12 h at 500 °C in a 80%NH 3 -20%H 2 atmosphere. The specimen was nickel plated before sectioning. (a) Picral. 1000×. (b) Picral-hydrochloric acid. 1000×. (c) Copper-sulfate More
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Published: 01 March 2006
Fig. 4 Hardness-depth relationships for carbonitriding of one plain carbon and one alloy steel. Source: Ref 10 More
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Published: 01 September 2008
Fig. 17 Simplified Smith plot for 18HGT-grade steel after carbonitriding More
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Published: 01 September 2005
Fig. 1 Surface layers produced by carbonitriding of steel at 850 °C (1560 °F), where carbon predominates in the formation of a martensitic layer. Source: Ref 1 More
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Published: 01 June 2008
Fig. 21.10 Comparison between carburizing and carbonitriding. Source: Ref 1 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
... Abstract This chapter provides information on various contributors to failure of carburized and carbonitrided components, with the primary focus on carburized components. The most common contributors covered include component design, selection of proper hardenability, increased residual stress...
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Published: 01 September 2008
Fig. 12 Microstructure of carbonitrided case on specimen made of carbonitrided 18HGT-grade steel. Etched with nital. Original magnification: 500× More
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Published: 01 December 1984
Figure 3-11 Optical constants of carbides and carbonitrides and common vapor-deposited compound. (From Bühler and Kossel, Ref. 37, courtesy of Dr. Riederer-Verlag, GmbH.) Layer n s K s Pd-oxide 2.75 0.6 Pt-oxide 2.75 0.25 Pb-oxide 2.67 0.1 ZnSe 2.65 More
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Published: 01 August 2018
Fig. 8.80 Micrograph of AISI 321 stainless steel showing titanium carbonitride inclusions. No etching. Polygonal shape and golden color are typical of titanium nitrides and carbonitrides. Courtesy of Villares Metals, Sumaré, Brazil. More
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Published: 01 November 2007
Fig. 17.12 Jominy data comparing a carbonitrided and a carburized 1020 steel. Source: Ref 17.1 , p 58 More
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Published: 01 March 2006
Fig. 5 Tempering curves for carburized and oil-quenched and carbonitrided and oil-quenched steels. Source: J.L. Dossett, Midland Metal Treating Inc., Personal research, 1992 Temperature Hardness, HRC °C °F 8620 carburized steel 8620 carbonitrided steel 1018 carbonitrided steel More
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Published: 01 September 2008
Fig. 1 Correlation of case depth of carbonitrided steels with varying diffusion times and temperatures More
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Published: 01 September 2008
Fig. 13 Microstructure of core of specimen made of carbonitrided 18HGT-grade steel. Etched by nital. Original magnification: 500× More
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Published: 01 September 2008
Fig. 14 Plot of static bending test of carbonitrided 18HGT-grade specimen More
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Published: 01 September 2008
Fig. 15 Plot of static tensile test of carbonitrided 18HGT-grade specimen More
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Published: 01 September 2008
Fig. 31 Secondary electron image. (a) Intergranular crack path on the carbonitrided case. (b) Transgranular dimpled fracture in the base material More