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W-Mo系复合材料的制备及其特性波阻抗

DOI: 10.11858/gywlxb.2002.02.007, PP. 125-130

Keywords: W-Mo系复合材料,特性波阻抗,预测模型

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Abstract:

采用放电等离子烧结技术,在相同的温度(1473K)及压力(30MPa)下,制备出不同配比的致密的W-Mo系复合材料样品。采用高精度超声波脉冲回波重合方法,精确测量了超声波在样品中传播的横、纵波声速,并由此得到样品的特性波阻抗值。对样品的相组成分析及电子探针分析的结果表明,W-Mo系复合材料主要是以W、Mo机械混合的形式通过粘结相获得致密化的。因此,选用混合物模型对其特性波阻抗值进行了理论预测,与实测值的比较表明该模型能对W-Mo系复合材料的特性波阻抗作出比较准确的预测。

References

[1]  Barker L M, Scott D D. Development of a High-Pressure Quasi-Isentropic Plane Wave Generating Capability [R]. SAND84-0432, 1984.
[2]  Chhabildas L C, Asay J R. Recent Advances in Shock and Quasi-Isentropic Compression Techniques for Dynamic Material Property Studies [A]. ZHANG Guanren, HUANG Shihui. Proceedings of the 2nd International Symposium on Intense Dynamic Loading and Its Effects [C]. Chengdu, China: Sichuan University Press, 1992.
[3]  Chhabildas L C, Reinhart W D, Hall C A, et al. Enhanced Hypervelocity Launcher-Capabilities to 16 km/s [J]. International Journal of Impact Engineering, 1995, 17: 183-194.
[4]  Xiong H P, Zhang L M, Shen Q, et al. Densification of W-Ni-Cu and W-Fe-Cu Alloys at 1573 K [J]. Journal of Material Science and Technology, 1999, 15 (1): 94-96.
[5]  Xiong H P, Zhang L M, Li J G, et al. Densification of the Tungsten Heavy Alloys at 1473 K and Fabrication of W-Mo System FGM with Density Gradient [J]. Journal of Material Science and Technology, 1999, 15 (3): 229-232.
[6]  Wu K Y, Su F, Xie B. High Pressure Measurements of the Elastic Parameters of Ultrasonic State Equation for Cubic Crystal [J]. Chinese Journal of High Pressure Physics, 1994, 8(4): 279-284.
[7]  (in Chinese)
[8]  吴昆裕, 苏昉, 谢斌. 立方晶体超声物态方程弹性参数的高压测量 [J]. 高压物理学报, 1994, 8(4): 279-284.
[9]  Hua J S, Jing F Q, Tan H, et al. Ultrasonic Measurements and Mechanical Parameters Evaluation for Tungsten Alloy [J]. Chinese Journal of High Pressure Physics, 1998, 12(2): 150-155. (in Chinese)
[10]  华劲松, 经福谦, 谭华. 钨合金的超声测量及力学参量估算 [J]. 高压物理学报, 1998, 12(2): 150-155.
[11]  Jing F Q. Induction of Equation of State [M]. Beijing, China: Chinese Science Press, 1986. (in Chinese)
[12]  经福谦. 实验物态方程导引 [M]. 北京: 科学出版社, 1986.
[13]  Zhang L M, Xiong H P, Chen L D, et al. Microstructures of W-Mo Functional Graded Material [J]. Journal of Materials Science Letters, 2000, 19: 955-958.

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