介绍了作者研制的一台力、热、磁耦合装置的原理与结构， 利用该设备可方便地研究温度和磁场 联合作用下材料的塑性、超塑性行为. 该设备的特点是：将具有一定温度和压力 的高纯惰性气体导入由激磁线圈缠绕的炉内加热受力 试样，实现了炉外加热和动态密封. 前者可消除加热电阻丝对磁场的干扰，后 者消除了加载拉杆与炉口的摩擦力，可在温度和磁场的协 同作用下测量载荷及变形速率等对材料变形行为 的影响.\par }} \vskip 0.2cm \noindent\parbox{0.92\hsize}{ \heiti\zihao{6}{关键词} \ \small\songti\zihao{-6} {载荷，温度，磁场，耦合，变形设备\par } \noindent\parbox{0.92\hsize}{\heiti\zihao{6} {中图法分类号} \ \ \small\songti\zihao{-6}
The research on the coupling effect of force, temperature and magnetic field on material is one of front branches of material science. The paper introduces the principle and structure of the experimental apparatus of the coupling of force, temperature and magnetic field. The principle and structure of heating outside the furnace and dynamically sealing are advanced. According to this, the inert gases sealed in the furnace may effectively prevent the oxygenation of the specimen and the friction between the furnace mouse and pull bar. While applying the coupling effect of temperature and magnetic field, it is solved that the heated circular resistance wires interfere in the magnetic field of exciting coil. And so a new experiment means is provided for the research on the plasticity and superplasticity.
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