合理的焊缝布置与产品的质量、成本、生产率以及工人的劳动强度等都有密切的关系，简便可靠的焊接工艺是获得优质产品的保证。
There are affinity among the fitting welding line position, quality, cost, production, working intensity, and the simple and reliable welding technics insures the high quality of products.
当磁感应强度和频率匹配合适时，焊缝成形良好，焊缝组织几乎为细小的等轴晶。
With optimum magnetic intensity and frequency, the weld microstructures were almost fine equiaxed grains and the weld shape was.
结果表明，通过外加横向磁场对熔池进行搅拌，可以使焊缝晶粒得到细化，进而使其抗拉强度和硬度等力学性能得到改善；
The results show that transverse magnetic field can refine the primary crystallization structure by electromagnetic stirring and improve the ultimate strength and hardness of the welded joint.
结果表明，通过外加横向磁场对熔池进行搅拌，可以使焊缝晶粒得到细化，进而使其抗拉强度和硬度等力学性能得到改善；
The results show that transverse magnetic field can refine the primary crystallization structure by electromagnetic stirring and improve the ultimate strength and hardness of the welded joint.
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