Transactions of Materials and Heat Treatment

Title：Low constraint tensile deformation properties on micro scale fiber/metal hybrid laminates

Authors： Wang Yao Song Guopeng Yang Chao Wei Qiang Zhao Libin Hu Ning Lang Lihui

Unit： Hebei University of Technology Suzhou Automotive Research Institute (Xiangcheng) Tsinghua University Huazhong University of Science and Technology Beihang University

KeyWords： fibre metal laminates TiGr laminates microscale uniaxial tensile deformability low constraint

ClassificationCode：TB333

year,vol(issue):pagenumber：2022,47(10):63-71

Abstract：

In order to study the deformation law of fiber metal laminates at micro scale, for TA1 titanium alloy plate and carbon fiber reinforced prepreg, the different types of microscale TiGr laminates were prepared, and the deformation properties of TiGr laminates were studied by uniaxial tensile test. Then, the stress-strain curves were obtained by changing the preparation process, laminate structure and metal layer thickness and setting different loading speeds. Furthermore, the tensile strength and elongation under various conditions were compared and analyzed, and the influence law of test variables on the deformation process of microscales TiGr laminates was obtained to analyze the fracture failure forms of laminates and the macro morphology of fracture. Finally, it is concluded that the deformation performance of TiGr laminates prepared by low constraint process is the best when the loading speed is 3 mm·min-1 and the metal layer thickness is 0.04 mm, and its tensile strength is 229.45 MPa and the elongation is 27.8%.

Funds：

国家自然科学基金资助项目 (52005153)；中国博士后科学基金资助项目 (2022T150372，2021M701962)；中央引导地方科技发展项目(206Z1803G)；天津市“项目+团队”重点培养专项(XC202052)；材料成形与模具技术国家重点实验室开放课题研究基金 (P2021-012)

王耀 (1986-)，男，博士，副教授,E-mail：bhwy2014@126.com

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