Ta-10W合金压缩力学性能实验研究

钟卫洲; 宋顺成; 谢若泽; 黄西成

doi:10.11858/gywlxb.2010.01.009

Ta-10W合金压缩力学性能实验研究

doi: 10.11858/gywlxb.2010.01.009

1.
西南交通大学应用力学与工程系，四川成都 610031；
2.
中国工程物理研究院总体工程研究所，四川绵阳 621900

详细信息

通讯作者:
钟卫洲

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出版历程
- 收稿日期: 2009-05-03
- 修回日期: 2009-08-15
- 发布日期: 2010-02-15

Experimental Research on Compression Mechanical Properties of Ta-10W

1.
Department of Applied Mechanics and Engineering, Southwest Jiaotong University, Chengdu 610031, China;
2.
Institute of Systems Engineering, CAEP, Mianyang 621900, China

More Information

Corresponding author: ZHONG Wei-Zhou

摘要

摘要: 利用MTS材料试验机和分离式Hopkinson压杆（SHPB）实验装置对非退火状态Ta-10W合金进行了准静态和动态压缩实验，给出了材料的静态压缩屈服强度和应变率在700～3100 s-1范围内的动态压缩应力-应变曲线，并获得了不同应变率下材料的动态屈服强度。通过对实验结果的分析可以发现，非退火状态Ta-10W合金具有较好的韧性，在所进行的实验中试件表面均未出现可见裂纹；试件材料具有较高的静、动态屈服强度，静态屈服强度达到930 MPa，动态屈服强度在1 GPa以上，在所进行的700～3 100 s-1应变率范围内，材料的动态屈服强度随应变率的增加略有提高。
- Ta-W合金 /
- 力学性能 /
- 应变率 /
- 压缩实验
Abstract: Quasi-static and dynamic compression experiments of unannealed Ta-10W alloy specimen are implemented by MTS and split Hopkinson pressure bar equipments. Quasi-static compression yield strength is gained. In addition, the stress-strain history and dynamic compression yield strength are obtained when strain rate ranges from 700 s-1 to 3 100 s-1. The experiment results indicate that unannealed Ta-10W is preferably flexile. There is no crack on the surfaces of specimen after experiments. The quasi-static and dynamic compression strength of unannealed Ta-10W alloy is quite large. Quasi-static compression yield strength is about 930 MPa, and the dynamic compression yield strength is over 1 GPa. Dynamic compression yield strength of Ta-10W is dependent on strain rate, and it grows from 1.0 GPa to 1.3 GPa when strain rate increases from 700 s-1 to 3 100 s-1.
- tantalum tungsten alloy /
- mechanical property /
- strain rate /
- compression experiment

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