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1·The paper investigated the vermicular graphite and its transition morphologies to lamellar and spheroidal graphite in deep-etched compacted vermicular iron bars by SEM.

本文利用扫描电镜对深腐蚀蠕墨铸铁试样中的蠕虫状石墨及其与片状石墨、球状石墨之间的过渡形态进行了观察研究。