利用具有预应变NiTi纤维的圆柱体剪滞模型,在一定的简化条件下,求得纤维轴向应力及界面剪应力解析表达式.针对马氏体逆相变过程,在先加外载后升高温度与先升高温度后加外载两种条件下,对纤维和界面的应力分布以及马氏体逆相变开始温度的确定进行分析.计算结果表明,由于纤维轴向应力对相变温度存在影响,升温与加载的顺序不同其应力分布也不同.先加外载后升温时,NiTi纤维逆相变开始温度较高,逆相变过程较短,因此纤维轴向应力及界面剪应力较小.
参考文献
| [1] | GAO Yu-chen .Fracture of fiber-reinforced materials[J].Journal of Applied Mathematics and Physics,1988,39:550-572. |
| [2] | John A. Nairn .On the use of shear-lag methods for analysis of stress transfer in unidirectional composites[J].Mechanics of materials,1997(2):63-80. |
| [3] | FU Shao-yun;YUE Chee-yoon .Analysis of the micromechanics of stress transfer in single-and multi-fiber pullout tests[J].Composites Science and Technology,2000,60:569-579. |
| [4] | Xiaoling Wang;Gengkai Hu .Stress transfer for a SMA fiber pulled out from an elastic matrix and related bridging effect[J].Composites, Part A. Applied science and manufacturing,2005(8):1142-1151. |
| [5] | Chi-kin Poon;Kin-tak Lau;Li-min Zhou .Design of pull-out stresses for prestrained SMA wire/polymer hybrid composites[J].Composites, Part B. Engineering,2005(1):25-31. |
| [6] | POON Chi-kin;ZHOU Li-min .Interracial debend of shape memory alloy composites[J].Smart Materials and Structures,2005,14:29-37. |
| [7] | TANAKA K .A thermomechanical sketch of shape memory effect:one-dimensional tensile behavior[J].Res.Mechanica,1986,118:251-263. |
| [8] | LIN M W;ROGERS C A .Analysis of stress distribution in a shape memory alloy composite beam[A1AA-91-1164-CP][R].,1991. |
| [9] | CHUN-HWAY Hsueh .Modifications of fibre pull-out analysis[J].Journal of Materials Science Letters,1992,11:1663-1666. |
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