The effect of deep cold induced nano-carbides on the wear of case hardened components

Most studies of the wear improvements produced by the nano-carbides formed during deep cold treatment have been carried out on tool steels. In this study a carburising steel – 20MnCr5 – was carburised using typical industrial cycles, subjected to a range of cold treatments and its wear performance t...

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Veröffentlicht in:Cryogenics (Guildford) 2009-07, Vol.49 (7), p.346-349
Hauptverfasser: Stratton, Paul, Graf, Michael
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description Most studies of the wear improvements produced by the nano-carbides formed during deep cold treatment have been carried out on tool steels. In this study a carburising steel – 20MnCr5 – was carburised using typical industrial cycles, subjected to a range of cold treatments and its wear performance tested. It was found that under the conditions examined, converting any retained austenite to martensite increased wear. However, the nano-carbides formed by extended deep cold treatment at −196 °C did significantly improve wear. Deeper cold treatment at −269 °C did not produce any further improvement, even treatment for a much longer time.
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source ScienceDirect Journals (5 years ago - present)
subjects A. Metals
Applied sciences
B. Nitrogen
Carburizing
Case hardenability
Cold treatment
Cryogenics
Energy
Energy. Thermal use of fuels
Exact sciences and technology
F. Tribology
Nanocomposites
Nanomaterials
Nanostructure
Refrigerating engineering. Cryogenics. Food conservation
Steels
Wear
title The effect of deep cold induced nano-carbides on the wear of case hardened components
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