新型铝合金的组织与耐磨性能研究  

Microstructure and Wear Resistance of a New Type of Aluminum Alloy

作　　者：张波 陈伟[4,5,6] 吴广新 ZHANG Bo;CHEN Wei;WU Guangxin(Guiyang Industrial Technology Institute,Guiyang Guizhou 550081,China;Guiyang Industrial Technology Institute Co.,Ltd.,Guiyang Guizhou 550081,China;Guiyang Vocational and Technical College,Guiyang Guizhou 550082,China;State Key Laboratory of Advanced Special Steel,Shanghai 200444,China;Shanghai Key Laboratory of Advanced Ferrometallurgy,Shanghai 200444,China;School of Materials Science and Engineering,Shanghai University,Shanghai 200444,China)

机构地区：[1]贵阳产业技术研究院,贵州贵阳550081 [2]贵阳产业技术研究院有限公司,贵州贵阳550081 [3]贵阳职业技术学院,贵州贵阳550082 [4]省部共建高品质特殊钢冶金与制备国家重点实验室,上海200444 [5]上海市钢铁冶金新技术开发应用重点实验室,上海200444 [6]上海大学材料科学与工程学院,上海200444

出　　处：《上海金属》2020年第1期50-54,共5页Shanghai Metals

基　　金：贵阳市科技计划项(No.20161001)

摘　　要：在ZL109合金的基础上,通过调整合金元素的种类与含量,研制了一种新型铝合金。结果表明:与ZL109合金相比,由于Sr的变质作用和Mn的中和作用,新型铝合金中AlFeSi相消失,而AlMnFeSi相的数量则呈增加的趋势;初晶硅的数量减少,共晶硅相由针片状转变为细小的纤维状。合金元素的加入使新型铝合金的组织细化,硬度提高,磨损率降低,耐磨性能提高。On the basis of ZL109 alloy,a new type of aluminium alloy was developed by adjusting kind and amount of elements in the above alloy.The results showed that compared with the ZL109 alloy,due to the modification of Sr and the neutralization of Mn,the AlFeSi phase disappeared,while the amounts of AlMnFeSi phase increased in the new aluminium alloy;the amounts of primary silicon decreased,and the morphology of eutectic silicon phase changed from needle-like to fine fibrous.The addition of alloying elements refined the structure,increased the hardness,reduced the wear rate,and improved the wear resistance of the new type of aluminum alloy.

关 键 词：铝合金 合金元素 显微组织 耐磨性 

分 类 号：TG1[金属学及工艺—金属学]