结构中埋入TiNi超弹性丝传感网络的实验研究  

Experimental research on sensor network embedded TiNi super-elastic wire in structures

作　　者：邱自学[1] 姚兴田[1] 

机构地区：[1]南通工学院机械工程系,江苏南通226007

出　　处：《传感器技术》2001年第11期11-13,共3页Journal of Transducer Technology

基　　金：江苏省自然科学基金 (BJ990 34);南通市中青年科技学术带头人带课题研修计划项目(Z0 0 0 1)

摘　　要：选择了埋入复合材料基体的TiNi超弹性丝的规格 ,并对其在相变过程中的应力 -应变 -电阻特性进行了测试 ,测试结果表明TiNi超弹性丝在相变温度tf 以上时 ,其应变 -电阻之间呈近似线性关系 ,可作为复合材料结构健康监测的信息源。介绍了基于TiNi超弹性丝传感网络的复合材料结构健康监测技术 ,并制作了用于结构损伤监测的实验构件 ,设计了具体的试验方法。The parameters of TiNi super elastic wire embedded in composites were selected,and its properties of stress strain resistance during phase transformation were measured.The results show that strain resistance of TiNi super elastic wire is nearly linear,can be applied for sensor information in composite structure health monitoring.The theory of structure health monitoring based on TiNi super elastic wire sensor network is introduced.Experimental specimens used in health monitoring were manufactured,and detailed research method was designed.Simulating test shows that the method is applicable.

关 键 词：超弹性丝传感网 健康监测 传感器 测试 结构 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] TB381[自动化与计算机技术—控制科学与工程]