铸造2011，Vol.60Issue(4)：397-400,4.
原料配比对球墨铸铁珠光体片层间距及硬度的影响
Effects of Raw Material Proportioning on Pearlitic Lamellar Spacing and Hardness of Ductile Iron
赵岩1
作者信息
- 1. 德州学院机电工程系,山东德州,253023;德州学院工程材料研究所,山东德州,253023
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摘要
Abstract
With the same casting technique, the ductile irons with the same chemical composition were made by the different mixture ratio of pig iron, scrap steel, ferrosilicon and electrode graphite.The microstructures of the specimens were analyzed, and the hardness values of them were tested.The results show that the raw material proportioning has obvious effects on pearlitic pattern, pearlitic lamellar spacing, and hardness of ductile iron. The pearlitic lamellar spacing of the matrix decreases, and the hardness of the ductile iron increases with the pig iron proportion decreasing.Especially when ductile iron is made of full scrap steel, the hardness increases by a large margin.关键词
球墨铸铁/原料配比/珠光体/硬度Key words
ductile iron/ raw material proportioning/ pearite/ hardness分类
矿业与冶金引用本文复制引用
赵岩..原料配比对球墨铸铁珠光体片层间距及硬度的影响[J].铸造,2011,60(4):397-400,4.
