搅拌摩擦加工Zr41Ti14Cu12.5Ni10Be22.5大块非晶的组织和性能

稀有金属材料与工程, 2011, 40(7): 1277-1281.

搅拌摩擦加工Zr41Ti14Cu12.5Ni10Be22.5大块非晶的组织和性能

付瑞东 ^1, , 杨万彪 ^2, , 戚力 ^3, , 马明臻 ^4,

1.燕山大学,河北秦皇岛,066004

2.燕山大学,河北秦皇岛,066004

3.燕山大学,河北秦皇岛,066004

4.燕山大学,河北秦皇岛,066004

基金项目: 国家重点基础研究发展规划("973"计划)(2006CB605201)

关键词：大块非晶 , 搅拌摩擦加工 , 压缩变形 , 剪切带 , 自由体积

Structures and Performances of Zr41Ti14Cu12.5Ni1OBe22.5Bulk Amorphous Alloy Treated by Friction Stir Processing

研究了搅拌摩擦加工对Zr41Ti14Cu12.5Ni10Be22.5大块非晶的组织和性能影响规律.结果表明:搅拌摩擦加工后非晶合金没有发生晶化.室温下准静态压缩后,母材区、热影响区、搅拌区试样的抗压强度基本相当,但是搅拌区和热影响区的弹性模量明显提高,搅拌区和热影响区试样断裂前均出现锯齿流变现象,其断口呈现多重剪切特征,认为这与搅拌摩擦加工改变自由体积浓度和分布有关.

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搅拌摩擦加工Zr41Ti14Cu12.5Ni10Be22.5大块非晶的组织和性能

Structures and Performances of Zr41Ti14Cu12.5Ni1OBe22.5Bulk Amorphous Alloy Treated by Friction Stir Processing

参考文献