Then, for surface cladding layer, advances in the plasma and electro-chemistry methods are reviewed.
表面敷层方面介绍了铸造铝合金的等离子喷涂、 电化学方法的研究现状；
2
The result shows that the application of electro chemical machining can obtain the cladding which bonds well with matrix and meets the requirement for the mould for the forming of floor board;