篦条及其氧化膜的组织结构研究  

Study on Microstructure of Grate Bars and Its Oxide Film

作　　者：张英才[1,2] 何宜柱[1] 包全合[1] 

机构地区：[1]安徽工业大学材料科学与工程学院,安徽马鞍山243002 [2]济南钢铁股份有限公司,山东济南250101

出　　处：《热加工工艺》2009年第8期32-33,37,共3页Hot Working Technology

摘　　要：通过对篦条的分析发现原始篦条的相组成为α-Fe、Cr7C3型碳化物和少量的γ-Fe,碳化物呈网状分布于基体上。篦条氧化膜的相由FeCr2O4、Cr2O3、Fe2O3组成,氧化膜与基体间有微裂纹存在。添加Al后,氧化膜结构致密且变薄。The phases of original grate bars consist of α-Fe, Cr7C3 and small amount of α-Fe. There was network carbide on substrate. Oxide films of grate bars consist of FeCr2O4, Cr2O3, and Fe2O3. There were micro-cracks between oxide films and substrate. While, the oxide films are dense and thin when adding some Al into the original grate bars.

关 键 词：篦条 氧化膜 组织结构 

分 类 号：TG257[金属学及工艺—铸造]