The results show that the wear resistance of builtupwelding surface of Zn based al alloys are better than that of matrix under the same conditions.
结果表明，在相同条件下，锌铝合金堆焊层的耐磨性高于同种材料母材的耐磨性。
2
The paper analyzes the reason for the rail connection squished and recommends the process of restoring the track applying the built-upwelding technology.
分析铝电解多功能天车轨道接头局部压溃的原因，介绍采用手工堆焊工艺修复方案之全过程。
3
By analyzing the arc characteristic of the CO2 short circuiting transfer welding process, a PC analysis and evaluation system for the CO2 welding process was builtup.