The improvement of microstructure leads to a considerable reduction of the susceptibility of hot cracking of weld metal as indicated by the transverse-varestrainttest.
增加焊缝中的共晶数量并改善其分布形态,从而有助于降低焊缝金属的热裂纹敏感性。
2
The weldability of TCS corrosion resistant stainless steel for railway wagon was investigated by cold cracking sensitivity test, HAZ maximum hardness test and varestrainttest.