Journal
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
Volume 19, Issue 9, Pages 795-799Publisher
SPRINGER
DOI: 10.1007/s12613-012-0630-2
Keywords
cryogenic treatment; tool steel; nano-sized carbides; wear resistance; hardness; austenite
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Funding
- Majlesi Branch, Islamic Azad University
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The effect of deep cryogenic treatment on the microstructure, hardness, and wear behavior of D2 tool steel was studied by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), hardness test, pin-on-disk wear test, and the reciprocating pin-on-flat wear test. The results show that deep cryogenic treatment eliminates retained austenite, makes a better carbide distribution, and increases the carbide content. Furthermore, some new nano-sized carbides form during the deep cryogenic treatment, thereby increasing the hardness and improving the wear behavior of the samples.
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