... weld metal zone焊缝金属区; 焊接金 酸洗过程中氨基酸类缓蚀剂缓蚀机理研究进展 属熔化区 weld nugget焊点熔核 weld on bottom底焊 ...
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... welded rod 焊接篦条；焊接篦条,焊接筛条 weld nugget 点焊焊点；点焊焊点,点焊熔核 welding terminals 电焊机接线端，电焊机接线端子 ...
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焊接后接头宏观断面形成了4种不同的区域：A焊核区（weld nugget），由于在焊接过程中材料在高温变形下发生再结晶转变，所以又称为动态再结晶区 （dynamically recrystallised zone简称DRZ），B热...
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The weld nugget had a dynamic recrystallized, fine isometric crystal structure.
其中，焊核为明显的再结晶等轴晶粒，晶粒明显细化；
Dynamic recrystallization takes place in the weld nugget zone and fine grains are achieved.
焊核区发生动态再结晶，生成细小的等轴晶粒。
The microstructure of the welded joints was studied by optical microscopy. It is found that the weld nugget has a dynamic recrystallization, fine isometric crystal structure.
通过对焊接接头组织的分析，发现焊核区晶粒为明显的细化再结晶等轴晶；
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