基于细观力学的理论,将SMA增强复合材料视为三相等效系统进行分析,即基体相、奥氏体相和马氏体相;求解了SMA增强复合材料的有效热膨胀系数和有效相变应变系数的一般表达式,该表达式适用于各种形状的纤维增强复合材料.在整个相变和逆相变过程中,奥氏体相和马氏体相都表现为弹性特性,避免了传统方法的强非线性问题.该模型计算过程简单,同时还考虑了奥氏体、马氏体和基体间的相互作用,理论分析更接近实际.并分析了纤维的含量、形状和尺寸等因素对宏观模量的影响,通过比较可知,所得结果可靠,为SMA增强复合材料的设计和使用提供理论依据.
参考文献
| [1] | 叶宁,王军,郦正能,寇长河.SMAs复合材料层板大变形分析计算[J].复合材料学报,2001,18(2):114-117.Ye Ning,Wang Jun,Li Zhengneng,Kou Changhe.Analysis computation on large deformation of SMAs composite material laminate[J].Acta Materiae Compositae Sinica,2001,18(2):114-117. |
| [2] | 朱祎国,吕和祥,杨大智.SMA长纤维增强弹塑性基体复合材料的力学性能[J].复合材料学报,2002,19(2):89-93.Zhu Yiguo,Lü Hexiang,Yang Dazhi.Mechanical properties of elastoplastic matrix composite reinforced by long fibers[J].Acta Materiae Compositae Sinica,2002,19(2):89-93. |
| [3] | 李璟,金明,田东艳,兑关锁.NiTi形状记忆合金纤维拔出中的力学问题[J].复合材料学报,2006,23(4):149-154.Li Jing,Jin Ming,Tian Dongyan,Dui Guansuo.Mechanical behavior in the pull-out process of NiTi SMA fiber[J].Aeta Materiae Compositae Sinica,2006,23(4):149-154. |
| [4] | Lagoudas D C,Body J G,Bo Z.Micromechanics of active composites with SMA fibers[J].J Eng Mater Technol,Trans,ASME,1994,116(3),337-347. |
| [5] | Hamada K,Lee J H,Mizuuchi K,Taya M,Inoue K.Ther-momechanical behavior of TiNi shape memory alloy fiber rein-forced 6061 aluminum matrix composite[J].Metallurgical and Materials Transaction A,1998,29(3):1127-1135. |
| [6] | Cherkaoui M,Sun Q P,Song G Q.Micromechanics modeling of composite with ductile matrix and shape memory alloy rein-forcement[J].International Journal of Solids and Structure,2000,37(11):1577-1594. |
| [7] | Uehil J,Mohanehandra K P,Ganesh Kumara K,Mahesh K K,Murali T P.Thermal expansion in various phases of nitinol using TMA[J].Physiea B,1999,270(1):289-297. |
| [8] | Wang J,Shen Y P.Micromechanies of composites reinforced in the aligned SMA short fibers in uniform thermal fields[J].Smart Mater Struct,2000,9(1):69-77. |
| [9] | 王健,沈亚鹏.SMA短纤维复合材料的热膨胀系数和相变应变系数[J].固体力学学报,2000,21(4):297-305.Wang Jian,Shen Yapeng.Thermal expansion coefficient and transformation strain coefficient of composites reinforced by SMA short fibers[J].Acta Mechanica Solida Sinica,2000,21(4):297-305. |
| [10] | Song G Q.Role of microstrneture in the thermo-mechanical behavior of SMA composites[J].Transactions of the ASME,1999,121(1):86-92. |
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%