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Abstract：
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The tensile mechanics of steel plate VCM were studied by DIC method, and the geometric data of three dimensional deformation in the process of stretching were obtained. Then, the calculation relationship between the mechanical parameters of deep drawing steel plate VCM and its substrate material was derived, and the relationship between the steel plate combinations was evaluated by introducing deviation coefficient. For the deep drawing base plate and thin film plate VCM, the geometric data obtained by experiment were processed and calculated accordingly, and the tensile strength, elastic modulus, yield strength and the total elongation and break elongation under the maximum load of the corresponding sheet were obtained. Therefore, three relevant mechanical parameters of steel sheet were obtained. Furthermore, the displacement, strain and maximum principal strain in x and y directions were obtained by the analysis of XJTUDIC system. Thus, the strain capacity of the metal composite laminates is improved after adding the film VCM, and its mechanical properties are improved and its mechanical properties is between the substrate and the film VCM.
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Funds：
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国家自然科学基金资助项目（11602229）；现代制造技术教育部重点实验室（贵州大学）开放课题（XDKFJJ［2016］07）；河南省基础与前沿技术研究计划项目（142300410399）；河南省产学研合作项目(162107000045)；河南省科技计划攻关项目(182102210404)
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AuthorIntro：
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作者简介：周亚军（1980-），女，硕士，副教授
E-mail：hkdzyj@163.com
通讯作者：张德海( 1973-) ，男，博士，教授，高级工程师
E-mail: zhangdehai0318@163.com
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