SMAT纳米钛的组织及力学性能研究

材料导报, 2007, 21(4): 129-137.

1.上海交通大学材料科学与工程学院,上海,200030

2.上海交通大学材料科学与工程学院,上海,200030

基金项目: 上海市纳米基金(0452nm061-Ⅲ)

Fabrication of Nano Titanium and Its Biomechanical Property

对纯钛进行表面机械研磨处理(SMAT),并研究其组织结构以及力学性能的变化.研究结果表明,径SMAT处理后,纯钛的表面形成了纳米晶层,而整体转变成为梯度材料.与SMAT处理前的纯钛相比,处理后材料的弹性模量下降,屈服强度和抗拉强度提高而塑性下降.

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