离子注入钨的镀锌钢板点焊电极寿命试验研究

通过分析镀锌钢板点焊电极寿命降低的原因,提出了提高镀锌钢板点焊电极寿命的离子注入钨的方法。采用离子注入钨方法在点焊电极工作端面注入钨以改善电极性能。进行了离子注入钨前、后的点焊电极寿命试验研究,测试了离子注入钨前、后的点焊电极显微硬度。试验结果表明,离子注入钨的电极寿命由原来的600点左右提高到800点左右,点焊飞溅现象减少,改善了焊点表面质量。

Hollow Cathode Life Test for Electric Thruster Achieves Breakthrough

The Shanghai Institute of Space Propulsion has made a great breakthrough in electric propulsion technology.The kilowatt-class Hall thruster hollow cathode long life test exceeded 28,000 hours with 15,000 ignition tests.The verified lifetime has reached an advanced worldlevel.