Zr基大块非晶合金制备轴承滚动体的应用研究

Application of Zr-based bulk metallic glass for bearing rollers

用Zr 基大块非晶合金制备了2206 型号轴承的滚动体。采用大载荷高速转动试验,进行了快速轴承疲劳寿命测试。结果显示,Zr 基大块非晶合金轴承滚动体与GCr15 轴承合金滚动体相比,轴承的失效形式不同,Zr 基大块非晶合金轴承滚动体的耐磨性明显优于GCr15 轴承合金滚动体。

Zr41Ti14Cu12.5Ni10Be22.5 bulk metallic glass is used to prepare bearing rollers, 7.5 mm in diameter and 7.5 mm in length. A real rotation test, with a large-load and at a high-speed, shows that the working life of the Zr-based bulk metallic glass rollers was much better than that of the commercial GCr15 ones. The failure mechanisms are analysed in this article.