河南科技大学材料学院;洛阳理工学院机电学院;
采用简化的内氧化工艺制备了Al2O3/Cu复合材料,研究不同内氧化时间(3~10h)及不同变形量(20%~80%)下的Al2O3/Cu复合材料的显微硬度和导电率,并对其显微组织进行了分析。结果表明:内氧化法制备的Al2O3/Cu复合材料中弥散分布着纳米级的Al2O3颗粒;复合材料的表面和内部的晶粒大小明显不同,表面晶粒较小(粒径10~30μm);冷加工变形量越大,Al2O3颗粒与位错的缠结越严重;经900℃内氧化制备的Al2O3/Cu复合材料具有良好的导电率和显微硬度。
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下载次数 | 被引频次 | 阅读次数 |
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基本信息:
DOI:
中图分类号:TG146.11
引用信息:
[1]苏凡凡,张旦闻,赵冬梅等.Cu-Al合金平板内氧化组织性能研究[J].材料热处理学报,2009,30(02):101-104.
基金信息:
河南省重点攻关项目(50571035)