The hardness and wear resistance of Al-16% Si alloy FGM de crease gradually from inside to outside of the specimens, and change in gradient.

 
  • 在外层一定厚度内,完全不含初晶硅;硬度分布为内层硬度较高,由内向外硬度逐渐减小,呈梯度分布;耐磨性由内向外呈梯度下降趋势。
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