党聪,刘慧敏,峰山,新巴雅尔,王俊,史志铭.La2O3含量对Al2O3/Cu基复合材料组织与性能的影响[J].稀有金属材料与工程,2020,49(12):4341~4347.[Dang Cong,Liu Huimin,Feng Shan,Xinba Yaer,Wang Jun,Shi Zhiming.Effect of La2O3 content on microstructure and properties of Al2O3/Cu Matrix composites[J].Rare Metal Materials and Engineering,2020,49(12):4341~4347.]
La2O3含量对Al2O3/Cu基复合材料组织与性能的影响
投稿时间:2019-12-27  修订日期:2020-03-05
中文关键词:  La[sub_s]2[sub_e]O[sub_s]3[sub_e]  Al-CuO体系  Al[sub_s]2[sub_e]O[sub_s]3[sub_e]  Cu基复合材料
基金项目:多功能铜材料内蒙古自治区工程研究中心
中文摘要:
      以La2O3粉、Al粉、CuO粉为反应物原料、纯铜为基体,采用原位合成技术和近熔点铸造法制备颗粒增强Cu基复合材料,研究La2O3对Al-CuO体系制备的Cu基复合材料组织及性能的影响。结果表明:添加La2O3可获得纳米Al2O3颗粒,且弥散分布于Cu基体中,制备的材料组织更加细小、均匀,其材料的电导率及摩擦磨损性能明显提高。当添加0.6%wtLa2O3,复合材料的电导率达到90.2%IACS,磨损量达到最小,相比未添加La2O3,其导电率提高10.1%,磨损量减小36.6%。
Effect of La2O3 content on microstructure and properties of Al2O3/Cu Matrix composites
英文关键词:La2O3  Al-CuO system  Al2O3  Cu matrix composites
英文摘要:
      Using La2O3 powder, Al powder, CuO powder as raw materials and pure copper as matrix, in-situ synthesis technology and near melting point casting method were used to prepare particle-reinforced Cu matrix composites.The effect of La2O3 on the microstructure and properties of Cu matrix composites prepared by Al-CuO system was studied. The results show that the addition of La2O3 can obtain nano-Al2O3 particles, which are dispersed in the Cu matrix, and the prepared material structure is more fine and uniform, and its electrical conductivity and wear performance are significantly improved. When added 0.6% wtLa2O3, the electrical conductivity of the composite reached 90.2% IACS, and the amount of wear reached a minimum. Compared with the absence of La2O3, the electrical conductivity increased by 10.1%,and the wear decreased by 36.6%.
作者单位E-mail
党聪 内蒙古工业大学 呼和浩特 1284581007@qq.com 
刘慧敏 内蒙古工业大学 呼和浩特  
峰山 内蒙古工业大学 呼和浩特  
新巴雅尔 内蒙古工业大学 呼和浩特  
王俊 内蒙古工业大学 呼和浩特  
史志铭 内蒙古工业大学 呼和浩特  
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