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Effect of shot peening on plasma nitriding of H13 steel

Editor：    Date：2014-08-09 15:00:12    Views：4318

Effect of shot peening on plasma nitriding of H13 steel
1: shot peening can greatly improve the efficiency of plasma nitriding of H13, increase the thickness of the nitriding layer.
2: the main reason of shot peening. Infiltration is the presence of high dislocation density surface of specimen after shot peening, the dislocation density distribution in the whole grains and the formation of cellular structure, and provide more channels for the diffusion of N atoms in the material.
3: after shot peening of nitrided specimens with and without shot peening nitriding surface compared, higher content of Fe3N phase, and shot peening after nitriding specimen nitrided layer with high hardness, good adhesion layer permeability.

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