研究了形状记忆合金复合材料系统的非线性动力学特性.基于Brinson的形状记忆合金本构关系和Dejonghe的内耗模型,提出了单自由度简化系统的模型建立方法.考虑材料系统刚度和阻尼的变化,在弱非线性和较强非线性两种情况下给出近似-解析解法.算例表明:形状记忆合金可以作为良好的耗能材料,用于结构的被动控制.
参考文献
[1] | Lin H C, Wu S K, Yeh M T. Damping characteristics of TiNi shape memory alloys [J]. Metallurgical Transactions A, 1993,24A(10): 2189-2194. |
[2] | Liang C, Rogers C A. Design of shape memory alloys springs with applications in vibration control [J]. Journal of Vibration and Acoustics, 1993, 115(1): 129-135. |
[3] | Li D Z, Feng Z C. Dynamic properties of pseudoelastic shape memory alloys [J]. SPIE, 1997, 3041:715-725. |
[4] | Feng Z C, Li D Z. Dynamics of a mechanical system with a shape memory bar [J]. Journal of Intelligent Material Systems and Structures, 1996,7(7):399-410. |
[5] | Brinson L C. One-dimensional constitute behavior of shape memory alloys:Thermodynamics derivation with nonconstant material functions and redefined Martensite internal variable [J]. J Intell Mater Syst Struct,1993,4(2): 229-242. |
[6] | Dejonghe W, Delaey L, De Batist R, et al. Temperature and amplitude-dependence of internal friction in Cu-Al-Zn alloys [J]. Metal Science, 1977, 12(11): 523-530. |
[7] | 石萍. Ti50Ni25Cu25形状记忆合金及其颗粒/铝基智能复合材料的研究 [D]. 大连: 大连理工大学,1998. |
[8] | 刘延柱,陈文良,陈力群. 振动力学 [M]. 北京: 高等教育出版社, 1998. 199-202. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%