| Theoretical Analysis of Formability in Forming Process of Metallic Bipolar Platess by Using Stamping Process |
| کد مقاله : 1044-THFC |
| نویسندگان |
|
هاجر حمزه جونقانی * گروه مهندسی مکانیک گرایش ساخت و تولید، دانشکده مهندسی مکانیک، دانشگاه خواجه نصیر الدین طوسی |
| چکیده مقاله |
| The main purpose of this paper is theoretical analysis of formability in forming process of metallic bipolar plates in PEM fuel cells by using stamping process. First, the algorithms of Newton-Raphson and Quasi-Newton methods were written with MATLAB software to solve the system of forces equations in order to determine the thickness of different points in SS403L sheet. Then, the critical height of channel was calculated by using final thickness. We also compared the critical height of micro-stamping and macro-stamping to investigate the effect of process type on fracture. Finally, in order to validate the results, simulation was performed with ABAQUS software for macro-stamping process. The results show that the Quasi-Newton method has better convergence than the Newton method and the mico-stamping process describe formability in micro-scale better than the macro-stamping due to the crystallographic properties of material. Also, the theoretical results are in extremly good results with experimental results. |
| کلیدواژه ها |
| Stamping process, Bipolar plates, Formability, Numerical methods |
| وضعیت: چکیده برای ارائه پذیرفته شده است |