Abstract
In sheet metal forming process, most of the materials are under complex stress state. So the mechanical behaviour can’t be applied to the actual projects only by the uniaxial tensile test. In order to get more accurately mechanical properties of materials especially for the anisotropic materials such as high strength steel and composite materials, it is necessary to do the research of biaxial tensile and press test machine. In this study, the biaxial loading machine was developed. The machine can be used for biaxial tensile test under different loading path and uniaxial tensile test. With the developed software, the experimental data can be processed through the program, and the biaxial tensile curve and yield criterion can be obtained. From the perspective of the development of modern industrial equipment and the experimental methods, the research and development of the equipment in this study play an important role in the field of the biaxial tensile test in domestic.
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