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nitrocarburized steels

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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006355
EISBN: 978-1-62708-192-4
...Abstract Abstract The surface of irons and steels can be hardened by introducing nitrogen (nitriding), nitrogen and carbon (nitrocarburizing), or nitrogen and sulfur (sulfonitriding) into the surface. This article lists the principal reasons for nitriding and nitrocarburizing, and summarizes...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005791
EISBN: 978-1-62708-165-8
... institute with a pit furnace developed for plasma nitriding of gun barrels. Fig. 19 Typical gas compositions and the resulting metallurgical configurations of ion-nitrided steel Fig. 25 (a) Microstructure of Armco iron plasma nitrocarburized at 570 °C (1060 °F) for 3 h at a gas pressure...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005806
EISBN: 978-1-62708-165-8
...Abstract Abstract This article summarizes the terminology for gas reactions, and discusses low-temperature nitriding and nitrocarburizing of stainless steels. It describes the various nitriding processes, namely, high- and low-pressure nitriding, oxynitriding, sulfonitriding, oxysulfonitriding...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005986
EISBN: 978-1-62708-168-9
... of parts for chemical equipment. Courtesy of Plasmaterm SA Romania Fig. 14 Oxynitrided steel machine parts after plasma treatment Fig. 11 Schematic presentation of the active-screen plasma nitriding equipment Fig. 15 (a) Microhardness plot and (b) structure of nitrocarburized...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005776
EISBN: 978-1-62708-165-8
... carbonate (K 2 CO 3 ), 1–10 ppm, sulfur (S) Mildly oxidizing Water, oil, or salt quench 580 1075 4,019,928 Mildly oxidizing Water, oil quench, or salt quench 540–575 1000–1070 4,006,643 Comparison of plain carbon steels wear tested prior to and following cyanide salt bath nitrocarburizing...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005958
EISBN: 978-1-62708-168-9
... of nitriding and nitrocarburizing processes and the equipment required for heat treating tool steels to improve hardness, wear resistance, and thermal fatigue. The various nitriding and nitrocarburizing processes covered are salt bath nitrocarburizing, gas nitriding and nitrocarburizing, and plasma nitriding...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005771
EISBN: 978-1-62708-165-8
... the choice of these surface-hardening methods. carbonitriding diffusion coating nitrocarburizing steel surface hardening SURFACE HARDENING, a process that includes a wide variety of techniques ( Table 1 ), is used to improve the wear resistance of parts without affecting the more soft, tough...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005956
EISBN: 978-1-62708-166-5
... surface. Figure 34 shows the influence of the alloy content of nitrocarburized steels on the change of thickness with increasing compound layer thickness. By the nitriding potential, the composition of the compound layer at the outer surface can be adjusted. With increasing nitrogen activity...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005762
EISBN: 978-1-62708-165-8
... and the required quenching process. Fig. 2 Typical carbonitrided surface with carbon predominating in a martensitic case. Carbonitriding temperature was 850 °C (1560 °F). Source: Ref 5 , 6 Fig. 3 Nitrocarburized steel surfaces. (a) Ferritic nitrocarburizing at 570 °C (1060 °F), where gen...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003197
EISBN: 978-1-62708-199-3
... carburizing case depth measurement methods case hardening cyaniding nitriding nitrocarburizing steel Gas Carburizing CARBURIZING is a case-hardening process in which carbon is dissolved in the surface layers of a low-carbon steel part at a temperature sufficient to render the steel austenitic...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005959
EISBN: 978-1-62708-168-9
... nitriding nitrocarburizing precipitation-hardening stainless steel stainless steel thermal decomposition thermal stability STAINLESS STEEL is a widely applied material in applications where corrosion resistance is of importance. The corrosion-resistant nature of stainless steels is due...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005818
EISBN: 978-1-62708-165-8
... processes. It describes nitriding potentials and the Lehrer diagram, carburizing potentials, controlled nitriding and nitrocarburizing, and the microstructural evolution of the compound layer and the diffusion zone. References References 1. Machlet A. , Treatment of Steel, Iron, etc. , U.S...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005977
EISBN: 978-1-62708-168-9
...) at 450 °C (840 °F), and plasma nitrocarburized (PNC) at 400 and 450 °C. Source: Ref 16 Fig. 22 Wear volume loss against sliding distance for plasma-nitrided and nonnitrided samples of AISI 316 stainless steel. Source: Ref 19 Fig. 27 Trend of the percentage of crevices in which...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.9781627081658
EISBN: 978-1-62708-165-8
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005929
EISBN: 978-1-62708-166-5
... Carburizing and Cyaniding of Steels” and “Liquid Nitriding of Steels” in ASM Handbook , Volume 4A. In addition, some variations include carbo-austempering and salt bath nitrocarburizing, as described subsequently. At one time, the use of cyanide-based carburizing salts was once an important procedure...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005927
EISBN: 978-1-62708-166-5
... and nitrocarburizing treatments equivalent to conventional salt bath processes or other atmosphere processes. Many grades of steel can be effectively treated using fluidized beds, including all stainless steels, which require good gas-flow control and the appropriate gas dissociation. High-speed steel tools...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005536
EISBN: 978-1-62708-197-9
... °F). Source: Ref 19 Gas Nitriding and Nitrocarburizing Nitriding and nitrocarburizing are thermochemical surface treatments by which nitrogen or carbon and nitrogen are introduced into the steel workpiece to produce hard and wear-resistant surfaces. The case produced can be subdivided...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001306
EISBN: 978-1-62708-170-2
... above 90% should be specified. With a decrease in density, the resistivity of the steel increases and permeability decreases. For this reason, integral quench coils using a high-velocity spray quench are generally used to attain maximum surface hardness in the P/M part. Nitrocarburizing...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003762
EISBN: 978-1-62708-177-1
... ), of which carburizing and carbonitriding are the most widely used. Nitriding and nitrocarburizing are also widely used. In general, the steels best suited to these processes are low-carbon steels that rely on a surface layer, or case, of high hardness to provide a level of strength and wear resistance...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005870
EISBN: 978-1-62708-167-2
... Residual Stress Profiles Effects on Fatigue Strength Induction Tempering Induction Surface Hardening of Hard Coated Steels Gas Nitrocarburizing and Induction Hardening Microstructure and Wear Resistance of Coated and Induction Surface-Hardened Steels Induction in Hybrid Processes...