一种用外加磁场来增加大功率激光焊接材料焊缝深度的新技术日前在西北工业大学通过航空工业总公司主持的专家鉴定,项目总体研究属国内首创,各项经济技术指标达到国际先进水平. A new technology using an external magnetic field to increase the weld depth of high-power laser welding materials has recently been appraised by Northwestern Polytechnical University through an expert presided over by the Aviation Industry Corporation. The overall research on the project is a national initiative and all economic and technical indicators have reached the international advanced level.