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plasma nitrocarburizing

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Published: 01 December 2003
Fig. 3 Typical plasma nitrocarburizing furnace and associated control system. Courtesy of Plateg GmbH More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900231
EISBN: 978-1-62708-350-8
... graphite electrodes and a modified brick lining for use with carburizing salts Fig. 3 Typical plasma nitrocarburizing furnace and associated control system. Courtesy of Plateg GmbH Fig. 4 Electric fan motor treated by the Nitrotec process (right) and zinc-plated (left). Both were...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900219
EISBN: 978-1-62708-350-8
.... and Nitrocarburizing Plasma , Heat Treating , Vol 4 , ASM Handbook , ASM International , 1991 , p 425 – 436 2. Bell T. , Ferritic Nitrocarburizing , Met. Eng. Q. , May 1976 , reprinted in Source Book on Nitriding , Unterweiser P.M. and Gray A.G. , Ed., American Society...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440141
EISBN: 978-1-62708-262-4
... nitrocarburizing is performed near 570 °C (1060 °F), a temperature below the austenite range for the iron-nitrogen system. Treatment times generally range from 1 to 5 h. Plasma Nitrocarburizing Plasma nitrocarburizing is a method of surface hardening employing vacuum and glow-discharge technology similar...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900241
EISBN: 978-1-62708-350-8
... precleaning methods for gas ferritic nitrocarburizing and provides information on the methods used to accomplish enhanced plasma cleaning. References References 1. “ Enhanced Plasma Cleaning, ” Grün R. Plateg GmbH, personal correspondence 2. “ Pulsed Plasma Nitriding, ” Grün R...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900245
EISBN: 978-1-62708-350-8
... temperature to 595 °C (1100 °F) and vigorously aerating the bath for approximately 90 min, followed by desledging. If the plasma-assisted technique of ferritic nitrocarburizing produces a shallow case, then: Case depth can be measured by one, or all, of three methods: Each measurement method...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900193
EISBN: 978-1-62708-350-8
... of performing both pulsed plasma ion nitriding and ferritic nitrocarburizing in the same process chamber and with the same pulsed power pack. The procedure offers a more controllable, repeatable surface metallurgy. Once again, the process relies on the decomposition of cyanide to cyanate, which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140189
EISBN: 978-1-62708-264-8
... 41 xx , some tool steels such as H-11, and some stainless steels, such as 430, 446, and the precipitation-hardening stainless steels. Both nitriding and nitrocarburizing can be done in a vacuum chamber using the technique described previously to generate a plasma. When applied to nitriding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900201
EISBN: 978-1-62708-350-8
.... Source: Ref. 6 Fig. 1 Various trade names for gaseous, salt bath, and ion (plasma) ferritic nitrocarburizing processes. Fluidized-bed procedures also are available. Fig. 2 Influence of chromium on diffusion layer hardness and total case depth in various 0.40 to 0.45% C steels. Source...
Image
Published: 01 December 2003
Fig. 1 Various trade names for gaseous, salt bath, and ion (plasma) ferritic nitrocarburizing processes. Fluidized-bed procedures also are available. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350183
EISBN: 978-1-62708-315-7
... coefficient data for different coatings applied by various processes Chapter 4 Table 2 Compares flame- and induction-hardening processes Chapter 5 Table 6 Compares the typical characteristics of carburizing, nitriding, carbonitriding, and ferritic nitrocarburizing Chapter 6...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900001
EISBN: 978-1-62708-350-8
... and the proper furnace, the glow discharge technique can be applied to plasma-assisted ferritic nitrocarburizing, carburizing, carbonitriding, and chemical vapor deposition. These plasma-assisted processes are described in various publications, including Heat Treating , Volume 4 and Surface Engineering...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410499
EISBN: 978-1-62708-265-5
..., carbonitriding, and nitrocarburizing. The discussion on carburizing addresses several interrelated factors, including processing principles, alloying, surface oxidation, residual stresses, bending fatigue, contact fatigue, and fracture. carbonitriding carburizing ferritic nitrocarburizing flame...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900031
EISBN: 978-1-62708-350-8
.... 4 A sharp corner profile, illustrating the effects of nitrogen enrichment (nitride networking) at the corner Fig. 5 The metallographic appearance of AISI 1015 (UNS G10150) steel after a 2 h vacuum nitrocarburizing treatment in an ammonia/methane mixture with 1% oxygen addition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
... case than carburizing, gas control critical Liquid (cyaniding) Diffused carbon and nitrogen 760–870 (1400–1600) 2.5–125 μm (0.1–5 mils) 50–65 (a) Low-carbon steels Good for thin cases on noncritical parts, batch process, salt disposal problems Ferritic nitrocarburizing Diffused carbon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350195
EISBN: 978-1-62708-315-7
...: Local surface hardening, for example, flame, induction, or laser for medium-carbon steels Case hardening, for example, carburizing, carbonitriding for low-carbon steels Nitriding or nitrocarburizing if the loads are not too high and the steel has some alloying elements such as chromium...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350231
EISBN: 978-1-62708-315-7
... energy. Synonymous with plasma carburizing or glow- discharge carburizing. ion implantation. The process of modifying the physical or chemical properties of the near surface of a solid (target) by embedding appro- priate atoms into it from a beam of ionized particles. Glossary of Terms / 245 ion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900185
EISBN: 978-1-62708-350-8
... Fig. 1 Complete glow seam coverage, ensuring complete nitriding of all surfaces. Courtesy of Plateg GmbH Fig. 2 Workpiece during plasma nitriding with continuous dc glow discharge. Numerous micro-arcs are visible on the workpiece surface and may produce microscopic damage. A large...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2022
DOI: 10.31399/asm.tb.dsktmse.t56050001
EISBN: 978-1-62708-432-1
... and Nitrocarburizing Nitriding is a thermochemical diffusion process whereby a steel surface is saturated with nitrogen by holding the steel at 480 to 600 °C (896 to 1112 °F) in a nitrogen-rich atmosphere (e.g., ammonia gas in gas nitriding or N 2 +H 2 gas in plasma nitriding as in Fig. 8 ) ( Ref 7 ). Nitrogen...