The results suggest that if Cu layer is too thin, the eutectic substance created from eutectic reaction is little, it can not fill the seam and the areas of joints are empty;
结果表明：铜层过薄，共晶反应生成的液相量太少，未能填满缝隙，接头有空洞出现；
Solidification process of CV graphite iron with the addition of various CV-graphitizing materials and the crystallization behavior of the graphite during the eutectic reaction was clarified.
通过对各种处理剂处理的蠕虫状石墨铸铁凝固过程的研究，共晶反应时石墨的析出过程已经明确。
Solidification process of CV graphite iron with the addition of various CV-graphitizing materials and the crystallization behavior of the graphite during the eutectic reaction was clarified.
通过对各种处理剂处理的蠕虫状石墨铸铁凝固过程的研究，共晶反应时石墨的析出过程已经明确。
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