Transactions of Materials and Heat Treatment

Title：Research on stamping and thinning rate for fuel cell metal bipolar plate

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ClassificationCode：TG386.41

year,vol(issue):pagenumber：2023,48(4):56-65

Abstract：

Aiming at the problem of deformation and cracking of stainless steel ultra-thin plate stamping parts, taking the fuel cell metal bipolar plate as the studied object, firstly, according to the functions and characteristics of bipolar plate, a stamping metal bipolar plate with drawing reinforcement structure was designed, and the three-dimensional model of bipolar plate was established by CAD software. Secondly, the initial sheet size, blank holder force, stamping speed and die clearance were selected as the influencing factors of forming quality by the finite element simulation technology. Taking the thinning rate and thickening rate of metal bipolar plate as the optimization goals, the stamping simulation was carried out, and the change law of the optimization objectives with the influencing factors was given. At the same time, the global thinning rate and thickening rate of metal bipolar plate after forming and the thinning rate of key parts of bipolar plate were solved respectively. Furthermore, by using the range analysis and variance analysis methods, the primary and secondary relationship of different factors affecting the thinning rate of metal bipolar plate was obtained. The study result provides certain guidance for the design and production of metal bipolar plate.

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作者简介：杨亮（1975-），男，博士，副教授 E-mail：yangliang@djtu.edu.cn

Reference：

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