徐道兵,龙威,周小平

• 1:湖北工业大学材料与化学工程学院
• 2:湖北工业大学绿色轻工材料湖北省重点实验室

摘要(Abstract)：

为了研究Zr含量变化对Al-Ti-Zr铝基复合材料组织与力学性能的影响,以纯Al粉末作为基体材料,纯Ti粉和纯Zr粉作为增强体材料,采用粉末冶金原位合成法在750℃烧结制备了Al-Ti-Zr复合材料。随后将烧结制备的复合材料加热到400℃进行热压变形处理,测试其组织和性能的变化。结果表明:在Al-Ti-Zr三元体系中,复合材料内部通过置换反应生成Al_3(Zr,Ti)化合物;随着Zr含量的增加,复合材料的组织更加均匀、致密化,其抗拉强度、硬度逐渐增加,抗拉强度最大值为227.66 MPa,硬度最大值为132.83 HV0.025;复合材料的耐腐蚀性能随着Zr含量的增加呈现下降趋势,在Zr含量为5%时,复合材料的耐腐蚀性能最佳,其腐蚀电位为-0.67661 V,腐蚀电流密度为1.0214×10~(-6) A/cm~2。

关键词(KeyWords)： 粉末冶金;复合材料;组织性能;耐腐蚀性

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 徐道兵,龙威,周小平

DOI: 10.13289/j.issn.1009-6264.2019-0481

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