6.5%Si硅钢片具有优良的磁性能,但其室温脆性和低的热加工性迫使人们不断寻求和改进可以解决的加工方法。综述了气相沉积中的CVD法、PCVD法、PVD法,电沉积中的电泳沉积法、熔盐电沉积法以及激光熔覆法等多种沉积扩散法的制备原理、工艺、发展现状以及主要优缺点,并对沉积扩散法今后的发展进行了展望。 6.5% Si silicon steel sheet has excellent magnetic properties, but its room temperature brittleness and low hot workability forced people to continuously seek and improve the processing methods that can be solved. The preparation principle, technology, current situation and main advantages of various deposition and diffusion methods such as CVD method, PCVD method, PVD method, electrophoretic deposition method in electrodeposition, molten salt electrodeposition method and laser cladding method are reviewed Shortcomings, and prospects for the future development of depositional diffusion method.