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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1018Investigations on Cryogenic Turning to Achieve...

Investigations on Cryogenic Turning to Achieve Surface Hardening of Metastable Austenitic Steel AISI 347

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Abstract:

Metastable austenitic steels offer the opportunity of a surface hardening during machining due to a deformation induced martensite formation, substituting downstream hardening-processes. To maintain the necessary low process and workpiece temperatures for a phase transformation from austenite to martensite, cryogenic cooling using CO₂-snow was examined in this study. The influence of workpiece diameter, coolant flow rate as well as pre-cooling and pre-surface hardening on the obtainable phase content of martensite in the surface layer was investigated.

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Periodical:

Advanced Materials Research (Volume 1018)

Pages:

153-160

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1018.153

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Online since:

September 2014

Authors:

Patrick Mayer*, Benjamin Kirsch, Jan C. Aurich

Keywords:

Cryogenic Machining, Surface Hardening, Turning

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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