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salt bath nitrocarburizing

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Published: 01 October 2014
Fig. 21 Effluent-free salt bath nitrocarburizing line. Source: Durferrit GmbH More
Image
Published: 01 August 2013
Fig. 15 Sample of plain carbon steel after low-cyanide salt bath nitrocarburizing treatment (Process 3). The high level of apparent porosity is a characteristic of high sulfur content in the compound zone; dark areas are actually iron-sulfide nodules, not voids. More
Image
Published: 01 August 2013
Fig. 11 Metallographic appearance of salt bath nitrocarburized mild steel after 1.5 h at 570 °C (1060 °F) followed by water quenching More
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
... procedures, as well as the equipment used (salt bath furnaces) and safety precautions to be undertaken during the liquid nitriding process. It describes the different types of liquid nitriding process, namely, liquid pressure nitriding, aerated bath nitriding, and liquid nitrocarburizing. Environmental...
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
... 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 and nitrocarburizing...
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 nitrided layers. It describes the structural changes on the surface of carbon steels, alloy steels, and austenitic stainless steels. The article explains the effects of the various nitriding processes, namely, gaseous nitriding, plasma nitriding, gaseous nitrocarburizing, and salt bath nitrocarburizing...
Image
Published: 01 August 2013
the recommended minimum composition. ○, gas nitrocarburized; ⚫, gas nitrocarburized plus oxidized; Δ, salt bath nitrocarburized;▲, salt bath nitrocarburized plus oxidized. Source: Ref 20 More
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 Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003197
EISBN: 978-1-62708-199-3
... salt that will introduce carbon and nitrogen, or carbon alone, into the metal. Diffusion of the carbon from the surface toward the interior produces a case that can be hardened, usually by fast quenching from the bath. Carbon diffuses from the bath into the metal and produces a case comparable with one...
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 air, or similar combinations, are capable of performing low-temperature nitriding 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...
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: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005778
EISBN: 978-1-62708-165-8
...</xref>, <xref rid="a0005778-ref3" ref-type="bibr">3)</xref> Extensive development work has been carried out in recent years to make salt bath processes ecologically attractive. The low-toxicity nitrocarburizing process Tufftride TF1, which incorporates a nontoxic regenerator to produce the required composition within the working bath...
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
... be dangerous Liquid Diffused carbon and possibly nitrogen 815–980 1500–1800 50 μm–1.5 mm (2–60 mils) 50–65 (a) Low-carbon steels, low-carbon alloy steels Faster than pack and gas processes; can pose salt disposal problem; salt baths require frequent maintenance Vacuum/LPC Diffused carbon 815...
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
... Micrograph of nitrocarburized AISI 316 (673 K for 4 h) showing the S-phase layer above the austenitic matrix. Source: Ref 14 Fig. 16 Micrograph of nitrided AISI 316 (773 K for 22 h) showing the S-phase layer above the austenitic matrix with the nitride layer at the top. Source: Ref 14...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005773
EISBN: 978-1-62708-165-8
.... It details the growth process and nucleation process of carbide and nitride coatings formed on the metal surface. The article discusses the advantages, disadvantages, and characteristics of the various coating processes, including high-temperature salt bath carbide coating, high-temperature fluidized-bed...
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
... the coefficient of friction with a compound layer Increasing the fatigue strength of the components The methods of introducing atomic nitrogen, or both atomic nitrogen and atomic carbon, into the surface include the following: Gas nitriding and gas nitrocarburizing Liquid nitriding with salt...
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
... donator that today typically is of a gaseous kind. Basically two carbon donators are applied in current industrial applications. Carbon monoxide is the carbon donator during pack cementation, salt bath carburization, and controlled gas carburization. The other ones are hydrocarbons such as propane...
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
... Nitrocarburizing of Steels” ) Salt (cyanate-cyanide) baths (see “Liquid Nitriding of Steels” ) Plasmas (ionized gases, as, for example, based on N 2 -H 2 gas mixtures) (see “Plasma (Ion) Nitriding and Nitrocarburizing of Steels” ) Powder media (based on CaCN 2 , calcium-cyanamide, which delivers NH...
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
... studies, and applications of nitrocarburizing of steel. glow-discharge process microstructure nitrocarburizing plasma nitriding plasma nitrocarburizing process control steel Introduction Plasma nitriding (also known as ion nitriding, plasma ion nitriding, or glow-discharge nitriding...
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 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, ferritic...