大应变测量的密栅云纹方法及应用

Large Strain Measurement Method and Its Applications

介绍了一种适宜大应变测量的密栅云纹法实验装置及其试验技术。通过对材料的力学性能及其加工工艺参数的研究和实际应用表明，根据试验数据及云纹图片，可迅速、简便、可靠地获得测量结果，为材料的大应变测量提供了一种有效的手段。

The experimental device and technique for measuring large strain are described. The investigation of mechanical properties and processing parameters and the applications of the method indicate that reliable measuring results can be obtained rapidly and simply through the experimental data and moire fringes patterns and thus an effective means for measuring large strain was provided.