... intercrystalline swelling || 晶间溶胀 interdendritic || 枝晶间的 interdendritic attack || ①枝晶间侵蚀②电化学腐蚀 ...
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偏析的生成是因为局部加压使枝晶间的残余金属液产生局部流动而形成的。
Segregation is caused by remained metal liquid, which is driven by local pressure.
钎焊焊缝的枝晶间显微疏松导致的应力集中与微裂纹效应以及近焊缝区母材晶粒长大是导管早期疲劳开裂的主要原因。
The results show that the crack initiates at the outer surface of the weld comer and propagates into the steel base material with a high cycle fatigue mode.
改善中心偏析关键在于控制液相穴末端的枝晶间液相的流动状况。
The control of the interdendritic flow at the end of the liquid pool is important to prevent the centreline segregation.
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