Carbon evolution during vacuum heat treatment of High Speed Steel

Rousseau, A, Partridge, J, Gozukara, Y, Gulizia, S and McCulloch, D 2016, 'Carbon evolution during vacuum heat treatment of High Speed Steel', Vacuum, vol. 124, pp. 85-88.


Document type: Journal Article
Collection: Journal Articles

Title Carbon evolution during vacuum heat treatment of High Speed Steel
Author(s) Rousseau, A
Partridge, J
Gozukara, Y
Gulizia, S
McCulloch, D
Year 2016
Journal name Vacuum
Volume number 124
Start page 85
End page 88
Total pages 4
Publisher Elsevier Ltd
Abstract We report on the hardness response of vacuum heat treated (VHT) M35 HSS as a function of the thickness of oxide present during VHT. An almost linear relationship existed between the hardening response post-VHT and the oxide thickness pre-VHT. A similar relationship existed between the thickness of oxide pre-VHT and the carbon content post-VHT. CO evolution during VHT was observed from similar to 800 degrees C. In combination, these measurements show that CO evolution and carbon loss are increased in M35 HSS covered with surface oxide whilst hardening response is reduced. A full hardening response and unchanged carbon content were measured in M35 HSS VHT with surface oxide removed.
Subject Materials Engineering not elsewhere classified
Keyword(s) Evolved gas analysis
High speed steel
M35
Vacuum heat treatment
DOI - identifier 10.1016/j.vacuum.2015.11.019
Copyright notice © 2015 Elsevier Ltd.
ISSN 0042-207X
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