铝合金磁脉冲辅助板材冲压技术研究进展

铝合金板材室温下的成形性较差，但在高速变形条件下成形极限大幅提高。为了促进铝合金板材在汽车制造、航空航天及3G领域的应用，需要开发先进的板材成形技术。磁脉冲辅助板材冲压成形技术（EMAS）通过在普通冲压模具中嵌入线圈，能有效控制和改善变形板料的应变分布。针对这些问题，重点介绍和讨论了EMAS技术的国内外研发现状，阐明了开展该技术研究的必要性和重要意义。

Electromagnetically Assisted Sheet Metal Stamping of Aluminum Alloy

The formability of aluminum alloy at room temperature is very low,which can be improved significantly by high velocity forming process.The new sheet metal forming technology needs to develop to facilitate the use of aluminum alloy in automotive,aerospace and 3G manufacture.In the electromagnetically assisted sheet metal forming(EMAS),by embedding electromagnetic coils in conventional forming tools,improving and controlling of the strain distribution of parts are enabled.The state-of-the-art of EMAS was introduced and focused,and the importance to study the technology was presented.