Modification welding can slightly affect the joint tensile property, but can improve the weldsurface quality and reduce the weld defects.
热处理工艺对接头的拉伸性能影响最大，能显著提高接头的抗拉强度；
2
Test results showed that the optimized pickling process could clean oxide skin of weldsurface in effect and improve pitting-resistance property greatly.
研究结果表明，采用本文中的酸洗工艺可以有效清除不锈钢焊缝表面的氧化皮，并改善其耐点蚀性能。
3
The results shown that a deformation-free joint with good weldsurface appearance can be obtained with suitable welding conditions for butt-joint and lap-joint of the dissimilar materials.