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材料工程  2014, Vol. 0 Issue (1): 35-40,46    DOI: 10.3969/j.issn.1001-4381.2014.01.007
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
保温时间对Al-Fe-Si/Al原位复合材料力学性能的影响
赵龙志1,2, 焦宇1, 赵明娟1, 张坚1, 胡勇1, 熊光耀1, 姜羡1
1. 华东交通大学 机电工程学院, 南昌 330013;
2. 哈尔滨工程大学 超轻材料与表面技术教育部重点实验室, 哈尔滨 150001
Effect of Holding Time on Mechanical Properties of Al-Fe-Si/Al In -situ Composites
ZHAO Long-zhi1,2, JIAO Yu1, ZHAO Ming-juan1, ZHANG Jian1, HU Yong1, XIONG Guang-yao1, JIANG Xian1
1. School of Mechatronics Engineering, East China Jiaotong University, Nanchang 330013, China;
2. Key Laboratory of Superlight Materials & Surface Technology (Ministry of Education), Harbin Engineering University, Harbin 150001, China
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摘要 采用粉末冶金瞬时液相烧结法制备了Al-Fe-Si/Al原位复合材料,应用X射线衍射仪(XRD)、扫描电镜(SEM)、能谱分析(EDS)研究了保温时间对瞬时液相烧结制备Al-Fe-Si/Al原位自生复合材料微观组织及力学性能的影响。结果表明:随着保温时间的延长,原位自生Al0.5FeSi0.5相晶粒逐渐长大,材料表面孔隙尺寸减小;保温时间为4h时,粒状、短棒状增强相弥散分布在基体上;复合材料的压缩强度、最大弯曲挠度和弯曲强度随着保温时间的延长呈先上升后下降的趋势,但保温时间的延长对复合材料的弹性变形量和塑性变形量影响不大;随着保温时间的延长复合材料的界面结合增强。
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赵龙志
焦宇
赵明娟
张坚
胡勇
熊光耀
姜羡
关键词 瞬时液相烧结原位自生微观组织力学性能    
Abstract:Al-Fe-Si/Al in -situ composite was prepared by using powder metallurgy transient liquid phase sintering method. The influence of holding time on microstructure and mechanical property of Al-Fe-Si/Al in -situ composites was investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The results show that the grain size of in -situ synthesized Al0.5FeSi0.5 increases and the pore size of materials surface decreases when prolonging the holding time. The granular and short-rod reinforced phases get a diffuse distribution on the substrate when the holding time is 4h. With holding time, the compressive strength, the maximum bending flexibility and the bending strength have a trend of rising first then falling. Moreover, the interface bond in the composites is enhanced. However, the holding time has no influence on the composite elastic deformation and plastic deformation.
Key wordstransient liquid phase sintering    in -situ synthesized    microstructure    mechanical property
收稿日期: 2012-09-06     
1:  TB331  
基金资助:国家自然科学基金资助项目(51001047,51165008);江西省教育厅科研资助项目(GJJ11096,GJJ12282);载运工具与装备教育部重点实验室基金资助项目(11JD05)
作者简介: 赵龙志(1977- ),男,博士,副教授,主要从事金属基复合材料和激光成形研究,联系地址:江西省南昌市双港路808号华东交通大学机电工程学院(330013),E-mail:zhaolongzhi@163.com
引用本文:   
赵龙志, 焦宇, 赵明娟, 张坚, 胡勇, 熊光耀, 姜羡. 保温时间对Al-Fe-Si/Al原位复合材料力学性能的影响[J]. 材料工程, 2014, 0(1): 35-40,46.
ZHAO Long-zhi, JIAO Yu, ZHAO Ming-juan, ZHANG Jian, HU Yong, XIONG Guang-yao, JIANG Xian. Effect of Holding Time on Mechanical Properties of Al-Fe-Si/Al In -situ Composites. Journal of Materials Engineering, 2014, 0(1): 35-40,46.
链接本文:  
http://jme.biam.ac.cn/jme/CN/10.3969/j.issn.1001-4381.2014.01.007      或      http://jme.biam.ac.cn/jme/CN/Y2014/V0/I1/35
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