偏心拉伸试验是材料力学试验教学内容之一。传统的万能材料试验机上无法直接进行偏心拉伸试验。设计了一种可安装于万能材料试验机的偏心拉伸简易装置，可以有效测定拉弯组合变形的应变，从而可以计算出材料的最大应力，扩展了万能材料试验机的功能。
Experiment of eccentric tension is one of teaching content of material mechanics experiment. The experiment of eccentric tension can not be conducted directly on the universal material testing machine. One simple eccentric tension mechanism, which is fixed on the universal material testing machine, can test the strain of deformation under load of tension and bending so as to compute the maximum stress of material. And the function of universal material testing machine is expanded as well.
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