Cu-Al合金平板内氧化组织性能研究Microstructure and properties of Cu-Al alloy sheet after internal oxidation
苏凡凡,张旦闻,赵冬梅,任凤章,田保红,贾淑果
摘要(Abstract):
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。
关键词(KeyWords): Al2O3/Cu复合材料;内氧化法;弥散强化;导电率;显微硬度
基金项目(Foundation): 河南省重点攻关项目(50571035)
作者(Author): 苏凡凡,张旦闻,赵冬梅,任凤章,田保红,贾淑果
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