Nitriding and oxidation: diffusion layer and oxidation layer improve solderingresistance, adhesion resistance and crack resistance.
氮化扩散层和氧化层：可以提高模具耐溶损性、耐过烧性、耐粘着性和耐热裂性。
2
Resistance diffusing soldering of copper and mild steel Static contact Electrode shape Inserting solder Potential difference;
铜与低碳钢电阻扩散焊； 静触头； 电极形状； 嵌料； 电位差；
3
In the end we enumerate the studied cases of crack resistance of some high and medium hardness abrasion electrodes, which provides reference for the design and research of abrasion heap soldering.