高磁感取向硅钢研究开发的关键工艺及其研究进展

Research Status and Development of Key Process for High Magnetic Induction Grain-oriented Silicon Steels

综述了高磁感取向硅钢在稀土微合金化设计、抑制剂形成、渗氮处理、表面绝缘涂层和激光刻痕等关键工艺的研究现状及取得的最新进展,讨论了目前这些关键工艺环节研究还存在的问题,最后指出了高磁感取向硅钢关键工艺环节研究未来的发展思路,尤其指出需要加强激光刻痕技术与表面涂层技术的有机结合。

The development and application prospects for high magnetic induction grain-oriented silicon steels are very broad.In this paper,the research status and recent development about the key processfor high magnetic induction grain-oriented silicon steels,such as the composition design of rare earth micro-alloying,inhibitor formation,nitriding treatment,surface insulation coating and laser scribing,were summarized.At the same time,the existing problems about the research of these key process steps were also discussed.Finally,the development trends of these key process steps,especially the research combined laser scribing with surface insulation coating,were pointed out.