The joint structure and element distribution at brazingseam are also studied by SEM/EDAX and thermodynamics measures.
通过SEM/EDAX以及热力学方法分析了钎焊接头组织及钎缝的成分分布。
2
The reasons are given why weak carbonizing flame of oxyacetylece is used for heating and why brazingseam area can't be polished.
论证了加热时氧——乙炔焰用微碳化焰的原因及焊缝结合区不能采用抛光的道理。
3
Through the situation of slight crack of brazingseam is verified to high-handed pipe. Decision adopts and join by welding near dig the method built up and carry on renovate.