By a method of recording of welding currents and time, the information of joint microstructure and properties can be gained according to the welding time with different currents.
利用微机检测焊接电流和时间，运用统计方法获得在不同焊接电流区间的焊接时间，间接给出焊接接头组织性能的状态。
The composition and microstructure of the diamond saw blade joint welded by laser welding were studied using X ray diffraction and SEM, and the mechanical properties of welded joint were measured.
利用x射线衍射分析和扫描电镜，研究了金刚石锯片激光焊接接头的成分和组织，并测试了接头的力学性能。
The effect of welding process on the microstructure and the strength of welded joint is discussed in the present paper.
探讨了焊接工艺过程对气压焊焊接接头显微组织及强度的影响。
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