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温度与应变率对钽流动应力的影响

DOI: 10.11858/gywlxb.2001.02.012, PP. 146-150

Keywords: ,温度效应,应变率效应,流动应力,本构

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Abstract:

研究了温度在-100~400℃、应变率在10-5~103s-1范围内温度和应变率的变化对钽的流动应力的影响。结果表明,钽的流动应力对温度和应变率的变化相当敏感。同时还就两种本构模型对钽的温度效应与应变率效应的不同处理方法作了比较,指出Zerilli-Armstrong模型能更好地描述温度与应变率对钽流动应力的影响。

References

[1]  屈乃琴, 陈久录. 钽及钽合金的应用 [J]. 世界有色金属, 1999, 5: 37.
[2]  张廷杰, 张德尧, 丁旭. 强冲击载荷下Ta-W合金的塑变特性 [J]. 稀有金属材料与工程, 1996, 4: 5.
[3]  Hoge K G, Mukheijee A K. The Temperature and Strain Rate Dependence of the Flow Stress of Tantalum [J]. J Mater Sci, 1977, 12: 1666.
[4]  Cheng S R, Gray G T, Bingert S R. Mechanical Properties and Constitutive Relations for Ta and Ta Alloys under High-Rate Deformation [R]. LA-UR-96-0602, 1996.
[5]  Dick R D, Armstrong R W, Williams J D. Split-Hopkinson Pressure Bar Tests on Pure Tantalum [A]. Schmidt S C, Dandekay D D, Forbes J W. Shock Compression of Condensed Matter-1997 [C]. New York: American Institute of Physics, 1998: 471.
[6]  Liang Riqiang. Elastic-Plastic Constitutive Modeling of Tantalum and AerMet 100 Steel due to Quasi-Static and Dynamic Loadings [D]. Maryland: The University of Maryland, 1999.
[7]  Meyers M A. Dynamic Behavior of Materials [M]. USA: John Willey & Sons Inc, 1994: 305.

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