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salt bath ferritic nitrocarburizing

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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
... as Tufftride) is based on a salt mixture of alkali- cyanides, cyanates, and carbonates ( Ref 33 , 34 , 35 ). The widespread industrial application of ferritic nitrocarburizing was probably motivated by the numerous advatages of the salt bath treatment, including short cycle time, easy process control...
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
... liquid nitriding and salt bath nitriding were applied. Today (2013), although these terms are still in use, the generic term ferritic nitrocarburizing is considered the technically correct classification, which also includes gaseous and plasma methods. Commercially, trade names such as Tufftride...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003197
EISBN: 978-1-62708-199-3
..., carbon and hardness gradients, and process procedures of different types of case hardening methods: carburizing (gas, pack, liquid, vacuum, and plasma), nitriding (gas, liquid, plasma), carbonitriding, cyaniding and ferritic nitrocarburizing. An accurate and repeatable method of measuring case depth...
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.a0005771
EISBN: 978-1-62708-165-8
... 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 Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005977
EISBN: 978-1-62708-168-9
..., ferritic, austenitic, duplex (ferritic-austenitic), and precipitation-hardening stainless steels. It presents a checklist of characteristics to be considered in selecting the proper type of stainless steel for a specific application. The article also outlines the need to promote the formation...
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: 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: 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.a0005778
EISBN: 978-1-62708-165-8
... for carburizing and carbonitriding and also for nitriding and ferritic nitrocarburizing. Starting in the 1970s, use of cyanide baths diminished due to operator and environmental concerns. Another type of liquid carburizing bath, however, uses a special grade of carbon, rather than cyanide, as the source of carbon...
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.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.a0005772
EISBN: 978-1-62708-165-8
... involving severe wear. This article presents a variety of methods and media used for boriding of ferrous materials, and explains their advantages, limitations, and applications. These methods include pack cementation boriding, gas boriding, plasma boriding, electroless salt bath boriding, electrolytic salt...
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...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006296
EISBN: 978-1-62708-179-5
... with the aim of enhancing surface hardness and corrosion resistance of the products. The article describes molten salt bath cyaniding and ion nitriding of cast iron. annealing austempering austenitizing binary iron-carbon system cast iron corrosion resistance hardening heat treatment ion...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.9781627081665
EISBN: 978-1-62708-166-5
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002466
EISBN: 978-1-62708-194-8
... in Ref 1 . In the batch galvanizing process, the two types of conventional practices used at the present time are the wet process and the dry process ( Ref 2 ). The wet process involves a flux blanket on the top of the molten zinc bath to remove impurities from the surface of the steel and also to keep...
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
... Liquid (cyaniding) 760–870 (1400–1600) 2.5–125 μm (0.1–5 mils) 50–65 Low-carbon steels Good for thin cases on noncritical parts, batch process, salt disposal problems Ferritic nitrocarburizing 565–675 (1050–1250) 2.5–25 μm (0.1–1 mil) 40–60 Low-carbon steels Low-distortion process for thin...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001303
EISBN: 978-1-62708-170-2
... about 0.6% elongation for a gray iron of comparable strength. Martensitic ductile irons with tensile strengths of about 830 MPa (120 ksi) exhibit at least 2% elongation. Austempered Ductile Iron If ductile iron is austenitized and quenched in a salt bath or a hot oil transformation bath...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005946
EISBN: 978-1-62708-168-9
...) 1600–1650 (h) 815–870 1500–1600 15 O 480–595 (i) 900–1100 (i) 420 and modifications Moderately from preheat 815 1500 980–1050 1800–1920 15–30 (e) O or G 200–650 (j) 390–1200 (j) (a) O, oil quench; G, gas quench; S, salt bath quench; A, air cool; B, brine quench; W, water...