Effects of Deep Cryogenic Treatment on Wear Mechanisms and Microthermal Expansion for the Material of Drive Elements

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Composite heat treatments</td><td align="center">Surface hardness (HRC)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Carburizing-Tempering</td><td align="center">65.7</td></tr><tr><td align="left">Carburizing-Deep cryogenic treatment-Tempering</td><td align="center">68.4</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Surface hardness of SCM415 with different composite heat treatments.

Advances in Materials Science and Engineering

tab2

Table 2

Table 2: Effects of Deep Cryogenic Treatment on Wear Mechanisms and Microthermal Expansion for the Material of Drive Elements 