混合球磨对YAl<sub>2</sub>颗粒形貌及表面改性的影响

张鑫; 吴国清; 凌赵华; 黄正

混合球磨对YAl₂颗粒形貌及表面改性的影响

北京航空航天大学材料科学与工程学院, 北京 100191

基金项目: 国家自然科学基金资助项目(50901005);北京市科技新星计划资助项目(2007B016)

详细信息

中图分类号: TB 331
计量
- 文章访问数: 2326
- HTML全文浏览量: 132
- PDF下载量: 597
- 被引次数: 0
出版历程
- 收稿日期: 2010-06-22
- 网络出版日期: 2011-11-30

Effect of mix milling on the microstructure and surface modification of YAl₂ particles

School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 采用扫描电镜、能谱分析、透射电镜等分析方法研究了球磨对YAl₂及YAl₂/Mg颗粒的组织形貌、YAl₂颗粒在YAl₂/Mg颗粒中的分散性及YAl₂/Mg界面结合状况的影响.结果表明:YAl₂颗粒经球磨20 h后,其平均粒径约为1.5 μm,颗粒边缘尖角数量明显减少,呈圆滑的近球形.加入Mg颗粒进行混合球磨20 h后,YAl₂颗粒在混合颗粒中呈弥散分布,且表面包裹一层单质Mg,YAl₂/Mg的界面为直接结合型,未发现有界面反应.
- 球磨 /
- 表面改性 /
- 界面结构
Abstract: A homogeneous distribution of ultrafine YAl₂ particles in YAl₂/Mg mixture was obtained by mix-milling method. The effect of milling on the microstructure of YAl₂ particles and the dispersion of YAl₂ particles in the mixture were investigated by scanning electron microscopy (SEM), energy dispersive X-ray (EDAX) and transmission electron microscope (TEM) techniques. The results show that with increasing milling time, YAl₂ particle size decreases, and the amount of particle sharp corners is significantly reduced. After 20 h of milling, YAl₂ particles have a nearly spherical shape with an average size of approximately 1.5 μm. YAl₂ particles are coated by elemental magnesium, and distribute uniformly in YAl₂/Mg mixture through ball milling.
- ball milling /
- modification /
- interfaces

HTML全文

参考文献(1)

[1] Kudela S.Magnesium-lithium matrix composites:an overview[J].International Journal of Materials and Product Technology,2003,18(1/2/3):91-115 [2] Zhang D,Ma C J,Qin J N,et al.Interfacial structure and mechanical properties of MgLi matrix composites[J].Composite Interfaces,2001,8(5):383-391 [3] 马春江,张荻,覃继宁,等.镁锂基复合材料界面结构及热力学分析[J].稀有金属,1999,23(6):401-404 Ma Chunjiang,Zhang Di,Qin Jining,et al.Study on thermodynamics and interfacial structure of Mg-Li based composites[J].Chinese Journal of Rare Metals,1999,23(6):401-404(in Chinese) [4] 刘海燕,李峻青,刘冰,等.Mg-Li基复合材料的研究近况[J].材料导报,2006,20(S2):401-403 Liu Haiyan,Li Junqing,Liu Bing,et al.The current research of Mg-Li matrix composites[J].Materials Review,2006,20(S2):401-403(in Chinese) [5] Rahimian M,Parvin N,Ehsani N.Investigation of particle size and amount of alumina on microstructure and mechanical properties of Al matrix composite made by powder metallurgy[J].Materials Science and Engineering A,2010,527(4/5):1031-1038 [6] Hassan S F,Gupta M.Effect of particulate size of Al₂O₃ reinforcement on microstructure and mechanical behavior of solidification processed elemental Mg[J].Journal of Alloys and Compounds,2006,419(1/2):84-90 [7] 陈剑锋,于志强,武高辉,等.金属基复合材料强度的影响因素[J].金属热处理,2003,28(2):1-9 Chen Jianfeng,Yu Zhiqiang,Wu Gaohui,et al.Factors influencing on the strength of metal matrix composites[J].Heat Treatment of Metals,2003,28(2):1-9(in Chinese) [8] Trojanová Z,Drozd Z,Kúdela S,et al.Strengthening in Mg-Li matrix composites[J].Composites Science and Technology,2007,67(9):1965-1973 [9] Ayyar A,Chawla N.Microstructure-based modeling of the influence of particle spatial distribution and fracture on crack growth in particle-reinforced composites[J].Acta Materialia,2007,55(18):6064-6073 [10] Yotte S,Breysse D,Riss J,et al.Cluster characterisation in a metal matrix composite[J].Materials Characterization,2001,46(2/3):211-219 [11] Cheng N P,Li C M,Hui Q,et al.Effect of particle surface treatment on the microstructure and property of SiCp/AA6066 composite produced by powder metallurgy[J].Materials Science and Engineering A,2009,517(1/2):249-256 [12] Lan J,Yang Y,Li X C.Microstructure and microhardness of SiC nanoparticles reinforced magnesium composites fabricated by ultrasonic method[J].Materials Science and Engineering A,2004,386(1/2):284-290 [13] 李凤生.纳米/微米粒子复合技术及应用[J].纳米科技,2007,4(4):3-7 Li Fengsheng.Composite technology and application of nano/microparticles[J].Nanoscience & Nanotechnology,2007,4(4):3-7(in Chinese) [14] 金兰,盖国胜,李建国,等.球磨法和搅拌铸造法制备SiCp/Al复合材料[J].稀有金属材料与工程,2009,38(S1):558-562 Jin Lan,Gai Guosheng,Li Jianguo,et al.Preparation of SiCp/Al MMCs by ball milling and stir casting[J].Rare Metal Materials and Engineering,2009,38(S1):558-562(in Chinese) [15] 樊建中,左涛,徐骏,等.高能球磨粉末冶金SiCp/Al复合材料的界面结构[J].稀有金属,2004,28(4):648-651 Fan Jianzhong,Zuo Tao,Xu Jun,et al.Interfacial structures of SiCp/Al composites fabricated by high energy milling conjunction with powder metallurgy[J].Chinese Journal of Rare Metals,2004,28(4):648-651(in Chinese) [16] Qin S Y,Chen C R,Zhang G D,et al.The effect of particle shape on ductility of SiCp reinforced 6061 Al matrix composites[J].Materials Science and Engineering A,1999,272(2):363-370 [17] Romanova V A,Balokhonov R R,Schmauder S.The influence of the reinforcing particle shape and interface strength on the fracture behavior of a metal matrix composite[J].Acta Materialia,2009,57(1):97-107 [18] 陈振华,陈鼎.机械合金化与固液反应球磨[M].北京:化学工业出版社,2006:1-56 Chen Zhenhua,Chen Ding.Mechanical alloying and solid-liquid reaction milling[M].Beijing:Chemical Industry Press,2006:1-56(in Chinese) [19] Zhang D L.Processing of advanced materials using high-energy mechanical milling[J].Progress in Materials Science,2004,49(3/4):537-560 [20] Lu L,Lai M O,Zhang S.Diffusion in mechanical alloying[J].Journal of Materials Processing Technology,1997,67(1/2/3):100-104 [21] Suryanarayana C.Mechanical alloying and milling[J].Progress in Materials Science,2001,46(1/2):125-129

施引文献

资源附件(0)

访问统计