高频磁场下原位合成Al3(Ti0.5Zr0.5)p/6005A复合材料的显微组织与性能
Microstructure and Properties of In-Situ Synthesized Al3(Ti0.5Zr0.5)p/6005A Composites under High-frequency Magnetic Field
摘 要
以K2TiF6、K2ZrF6与Na3AlF6为反应物, 在高频磁场下, 采用熔体反应法原位合成了 Al3(Ti0.5Zr0.5)p/6005A复合材料; 通过扫描电镜、X射线衍射仪、拉伸试验机等对复合材料的组织与性能进行了研究。结果表明: 磁场下原位生成了细小的Al3(Ti0.5Zr0.5)颗粒, 平均尺寸为1~3 μm, 且弥散分布于基体中; 在磁场频率为2 MHz时复合材料的屈服强度、抗拉强度分别为2794, 305.8 MPa, 较基体的提高了7.1%和8.7%, 伸长率为9.5%, 较基体的下降了10.1%; 复合材料的断裂特征由基体的韧性断裂转变为混合型断裂。
高频磁场
原位反应
aluminum matrix composite
high-frequency magnetic field
in-situ reaction
Abstract
Al3(Ti0.5Zr0.5)p/6005A composites were in-situ synthesized under high-frequency magnetic field by direct melt reaction using K2TiF6, K2ZrF6 and Na3AlF6 as reactants. By means of scanning electron microscopy, X-ray diffraction and tensile testing machine, the microstructure and properties of the composites were investigated. The results show that the in-situ synthesized particles under magnetic field were fine Al3(Ti0.5Zr0.5)p particles, whose average size was 1-3 μm and dispersively distributed in Al substrate. At magnetic frequency of 2 MHz, the yield strength, tensile strength of the composites were 279.4 and 305.8 MPa, which increased by 7.1% and 8.7% compared with that of the substrate. And the elongation was 9.5%, which decreased by 10.1%. The fracture characteristics of the composites transformed from ductile fracture of the substrate to mixing fracture.
中图分类号 TB331
所属栏目
基金项目 国家“863”高技术研究项目(2007AA03Z548); 江苏省六大人才高峰项目(06-D-021); 江苏大学高级专业人才科研启动基金资助项目(07JDG084); 教育部科学技术研究重点项目(207038)
收稿日期 2010/1/17
修改稿日期 2010/10/17
网络出版日期
作者单位点击查看
备注祝晓辉(1984-), 男, 江西上饶人, 硕士研究生。
引用该论文: ZHU Xiao-hui,ZHAO Yu-tao,LI Gui-rong,CHEN Gang,SHE Chang-jun,XUAN Dong-hua,ZHENG Meng. Microstructure and Properties of In-Situ Synthesized Al3(Ti0.5Zr0.5)p/6005A Composites under High-frequency Magnetic Field[J]. Materials for mechancial engineering, 2011, 35(3): 71～75
祝晓辉,赵玉涛,李桂荣,陈刚,佘昌俊,轩动华,郑梦. 高频磁场下原位合成Al3(Ti0.5Zr0.5)p/6005A复合材料的显微组织与性能[J]. 机械工程材料, 2011, 35(3): 71～75
共有人对该论文发表了看法，其中：
人认为该论文很差
人认为该论文较差
人认为该论文一般
人认为该论文较好
人认为该论文很好
参考文献
【1】ZHAO Y T, DAI Q X, CHENG X N,et al. Microstructure characterization of reinforcements in in-situ synthesized composites of the system Al-Zr-O[J].Transactions of Nonferrous Metals Society of China,2005,15(1):108-112.
【2】许可,赵玉涛,陈刚,等.Sr对( Al2O3+Al3Zr)p/A356复合材料组织及性能的影响[J].特种铸造及有色合金,2008,28(2):139-141.
【3】张发云,闫洪,周天瑞,等.金属基复合材料制备工艺的研究进展[J].锻压技术,2006(6):100-105.
【4】严学华,孙少纯,蒋宗宇.原位反应复合材料研究进展[J].铸造设备研究,2001(1):27-30.
【5】张高科,陈虹.材料制备及加工中的磁化学研究及应用[J].硅酸盐通报,2002(1):34-37.
【6】李桂荣,赵玉涛,戴起勋,等.电磁搅拌合成(Al2O3+Al3Zr)p/Al复合材料的净化机制与性能[J].机械工程材料,2006,30(4):37-40.
【7】KARPETS M V, MILMAN Y V, BARABSH O M,et al. The influence of Zr alloying on the structure and properties of Al3Ti[J].Intermetallics,2003,11:241-249.
【8】AIKIN JR R M, CHRISTODUCLOU L. Script metal[J].Et Mater,1991,25:9-14.
【9】MASSALSKI T B.ASM binary alloy phase diagrams[M].OH: ASM International,2004.
【10】乐永康,张建平,陈东.原位反应合成TiB2的生长行为[J].特种铸造及有色合金,2008,28(2):102-105.
【11】李桂荣.原位制备颗粒增强铝基复合材料的组织控制和性能研究[D].镇江:江苏大学,2007:11-17.
【2】许可,赵玉涛,陈刚,等.Sr对( Al2O3+Al3Zr)p/A356复合材料组织及性能的影响[J].特种铸造及有色合金,2008,28(2):139-141.
【3】张发云,闫洪,周天瑞,等.金属基复合材料制备工艺的研究进展[J].锻压技术,2006(6):100-105.
【4】严学华,孙少纯,蒋宗宇.原位反应复合材料研究进展[J].铸造设备研究,2001(1):27-30.
【5】张高科,陈虹.材料制备及加工中的磁化学研究及应用[J].硅酸盐通报,2002(1):34-37.
【6】李桂荣,赵玉涛,戴起勋,等.电磁搅拌合成(Al2O3+Al3Zr)p/Al复合材料的净化机制与性能[J].机械工程材料,2006,30(4):37-40.
【7】KARPETS M V, MILMAN Y V, BARABSH O M,et al. The influence of Zr alloying on the structure and properties of Al3Ti[J].Intermetallics,2003,11:241-249.
【8】AIKIN JR R M, CHRISTODUCLOU L. Script metal[J].Et Mater,1991,25:9-14.
【9】MASSALSKI T B.ASM binary alloy phase diagrams[M].OH: ASM International,2004.
【10】乐永康,张建平,陈东.原位反应合成TiB2的生长行为[J].特种铸造及有色合金,2008,28(2):102-105.
【11】李桂荣.原位制备颗粒增强铝基复合材料的组织控制和性能研究[D].镇江:江苏大学,2007:11-17.
相关信息
