添加NH4AlO(OH)HC03原位生成Al203/Al复合材料的制备及其性能

来源 :中国有色金属学报（英文版） | 被引量 : 0次 | 上传用户：gbyljk008

【摘要】

：

碳酸铝铵与熔融的铝液反应原位生成颗粒增强铝基复合材料,对复合材料的力学性能和摩擦磨损行为进行研究.结果表明:在搅拌的铝熔体中碳酸铝铵发生分解反应生成γ-Al2O3；该原位

【作者】

：

姜澜崔焱洲史玉娟丁友东袁芳兰

【机构】

：

东北大学材料与冶金学院,邦迪管路系统(上海)有限公司,东北大学设计研究院有限公司

【出处】

：

中国有色金属学报（英文版）

【发表日期】

：

2004年期

【关键词】

：

铝基复合材料 NH4AlO(OH)HCO3 氧化铝颗粒微观组织硬度抗拉强度摩擦磨损性能 aluminum matrix composite NH4AlO

【基金项目】

：

the Ministry of Science and Technology,China;

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论文部分内容阅读

碳酸铝铵与熔融的铝液反应原位生成颗粒增强铝基复合材料,对复合材料的力学性能和摩擦磨损行为进行研究.结果表明:在搅拌的铝熔体中碳酸铝铵发生分解反应生成γ-Al2O3；该原位反应的增强颗粒比直接添加的Al2O3在铝熔体中分布得更均匀；复合材料的密度和硬度随着增强相加入量的增加而提高,而强度则随着增强相加入量的增加而降低；磨损率随着增强相加入量的增加和载荷的增加而提高；原位反应生成的复合材料的力学性能和耐磨性明显优于直接添加Al2O3颗粒形成的复合材料的.

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添加NH4AlO(OH)HC03原位生成Al203/Al复合材料的制备及其性能

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