Now this problem can be solved using aluminohermic welding ,since the separation of carbide and the formmation of liquid crack ware controlled in HAZ of high manganese steel.

• 本文采用铝热焊方法进行焊接，发现在铝热焊条件下，高锰钢热影响区的碳化物析出与液化裂纹的产生都得以有效抑制。