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材料工程  2013, Vol. 0 Issue (3): 83-89    DOI: 10.3969/j.issn.1001-4381.2013.03.016
  测试与表征 本期目录 | 过刊浏览 | 高级检索 |
Al2O3颗粒增强共晶铝锰基复合材料的腐蚀磨损性能
杨唐, 刘炳, 文锋, 郭璐, 赵明露
新疆大学 机械工程学院,乌鲁木齐 830008
Corrosive Wear Properties of Al-Mn Eutectic Alloy Reinforced by Al2O3 Particle
YANG Tang, LIU Bing, WEN Feng, GUO Lu, ZHAO Ming-lu
School of Mechanical Engineering, Xinjiang University, Urumqi 830008, China
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摘要 选择铝锰共晶合金及其复合材料作为研究对象,用XRD,SEM,EDS分析试样。首先分析了试样的金相组织,再分析了它们在三种摩擦条件下的磨损失重、摩擦因数及磨痕形貌,最后分析其耐冲蚀性能。结果表明:Al2O3颗粒的加入改变了铝锰化合物的形态;试样在仅有腐蚀液条件下的磨损量和摩擦因数最大,在有腐蚀液加磨粒条件下次之,在干摩擦条件下最小;从磨痕形貌可知在仅有腐蚀液条件比在腐蚀液磨粒条件有更多的凹坑,在腐蚀液磨粒条件比干摩擦条件有更深的犁沟。在7m/s冲蚀速度下,冲蚀试样的磨损率随磨粒粒径的增大呈先增大后减小的趋势;在3.5m/s下,磨损率随磨粒粒径的增大而逐渐减小,合金在0.15~0.212mm粒径下实验后出现"增重"现象。
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杨唐
刘炳
文锋
郭璐
赵明露
关键词 金相组织腐蚀磨损机制铝锰合金复合材料    
Abstract:The metallographic structures of Al-Mn eutectic alloy and its composite were investigated by XRD and SEM. The mass loss, friction coefficient and wear trace of the samples were studied under three different kinds of friction conditions. And their properties of erosion resistance were analyzed by SEM and EDS. The results show that the shapes of brittle Al-Mn compounds are changed as Al2O3 particle is added. The mass loss and friction coefficient of the samples under corrosive liquid and abrasive condition are less than those under corrosive liquid condition, but higher than those under dry sliding condition. The pits of samples under corrosive liquid condition are more than those under corrosive liquid and abrasive condition, and the furrows of samples under corrosive liquid and abrasive condition are deeper than those under dry sliding condition by observing wear traces. As the particle size of abrasive increases, wear rates of erosion samples increase first and then decrease in 7m/s erosion speed, but decrease gradually in 3.5m/s. In addition, the mass of Al-Mn eutectic alloy samples increase after the erosion test under the 3.5m/s erosion speed and 0.15-0.212mm particle size condition.
Key wordsmetallographic structure    corrosive wear mechanism    Al-Mn alloy    composite
收稿日期: 2012-03-26      出版日期: 2013-03-20
中图分类号: 

TG146.2

 
基金资助:

国家自然科学基金资助项目(50861008)

通讯作者: 刘炳(1954-),男,教授,联系地址:新疆乌鲁木齐市新疆大学南校区机械工程学院(830008)     E-mail: liubing1030@163.com
作者简介: 杨唐(1987-),男,硕士研究生,研究方向为新材料优化设计与数值建模,E-mail:yangtang318400@163.com
引用本文:   
杨唐, 刘炳, 文锋, 郭璐, 赵明露. Al2O3颗粒增强共晶铝锰基复合材料的腐蚀磨损性能[J]. 材料工程, 2013, 0(3): 83-89.
YANG Tang, LIU Bing, WEN Feng, GUO Lu, ZHAO Ming-lu. Corrosive Wear Properties of Al-Mn Eutectic Alloy Reinforced by Al2O3 Particle. Journal of Materials Engineering, 2013, 0(3): 83-89.
链接本文:  
http://jme.biam.ac.cn/CN/10.3969/j.issn.1001-4381.2013.03.016      或      http://jme.biam.ac.cn/CN/Y2013/V0/I3/83
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