利用连续波2kW Nd-YAG激光在Ti6Al4V合金表面原位制备TiN枝晶增强梯度金属基复合材料表面层,并研究了该表面层的显微组织和磨损性能.结果表明:该表面层沿激光熔化深度具有明显的梯度结构,表面层与Ti6Al4V基体之间呈现良好的冶金结合,Ti6Al4V的表面硬度及耐磨性得到了显著增强.
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