自生氧化铝颗粒增强铁基复合材料的制备
Preparation of Iron Matrix Composite Reinforced by In-situ Al2O3 Particles
周玉成1, 魏世忠1,2, 王利敏3, 徐流杰
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作者单位:1. 河南科技大学 材料科学与工程学院, 河南 洛阳 471003; 2. 河南科技大学 河南省耐磨材料工程技术研究中心, 河南 洛阳 471003; 3. 中信重工机械股份有限公司, 河南 洛阳 471039
中文关键字:氧化铝; 中和法; 原位自生; 复合材料
英文关键字:aluminum oxide; neutralization method; in-situ formation; composite
中文摘要:采用乙醇作为反应介质,将氨水滴入硝酸铝乙醇溶液中进行中和反应,经洗涤、过滤和烘干后得到氢氧化铝超细粉。将制得的超细氢氧化铝粉与铁粉按一定比例充分混合,经压制、烧结制得氧化铝颗粒增强铁基复合材料。
英文摘要:Ethanol was used as reaction media, the ammonia was slowly dropped, constantly stirring into aluminum nitrate ethanol solution to neutralize. By washing with ethanol, filtering and drying, some aluminum hydroxide was obtained. Aluminum hydroxide powder and iron powder, in a certain proportion, were fully mixed. By pressing and sintering, iron matrix composite reinforced with in-situ Al2O3 particle was prepared.