粉末冶金法制备纳米碳管/铝复合材料的力学性能Mechanical properties of Al matrix composites reinforced with carbon nanotubes prepared by powder metallurgy
姜金龙,赵少俊,杨华,李维学
摘要(Abstract)：
采用粉末冶金法制备纳米碳管/铝基复合材料,研究不同质量分数纳米碳管对复合材料力学性能的影响。通过X射线衍射仪(XRD)和扫描电镜(SEM)对复合材料及其断口进行分析。结果表明,纳米碳管能细化复合材料的晶粒组织,明显提高复合材料的硬度和抗拉强度。含质量2%纳米碳管复合材料的硬度和抗拉强度达到54HV和121.5MPa,分别比铝基体提高了约80%和28%。复合材料的断口形貌显示,纯铝的断裂方式为微孔聚集型韧性断裂,而2%CNT/Al复合材料具有微孔聚集型和解理型脆性断裂的混合特征。
关键词(KeyWords)： 纳米碳管;粉末冶金;铝基复合材料;力学性能
基金项目(Foundation): 甘肃省自然科学基金资助项目(3ZS061-A25-039);; 兰州理工大学科研发展基金资助项目(SB10200416)
作者(Author): 姜金龙,赵少俊,杨华,李维学
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