2011•Heat treatment of metalsRequires access
Effect of ion nitriding pressure on wear resistance of H13 steel
Shun Luo, Lin Yi-min, Tang Wei-xue, Hou Huijun
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Abstract
Effect of plasma nitriding pressure on nitriding layer microstructure,microhardness and wear resistance of H13 tool steel was studied,morphologies were analyzed and wear mechanism was discussed.The results show that under the volume of nitrogen and hydrogen ratio 2∶1,nitriding temperature 540 ℃,nitriding pressure 1066 Pa,the nitriding thickness is the largest,the hardness profile is relatively flat,the friction coefficient is the lowest and the wear is the smallest,so the nitrided layer has good abrasion wear resistance.