利用等离子表面合金化技术在Ti6Al4V合金表面制备了TiNi/Ti2Ni合金层,考察了合金层的表面形貌、成分分布、截面组织形貌、相结构.采用球盘磨损试验机分析了TiNi/Ti2Ni合金层在不同载荷下的滑动干摩擦学性能,并与基体进行对比.结果表明,基体和TiNi/Ti2Ni合金层磨损机制主要表现为磨粒磨损.在同一磨损条件下,TiNi/Ti2Ni合金层的摩擦系数略低于基体,耐磨性优于基体.TiNi/Ti2Ni合金层在不同载荷的摩擦系数接近,在0.29～0.32之间波动.随着载荷的增加,磨损率增加.
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