郭晓波,王芬,朱建锋,杨文文

• 1:陕西科技大学材料科学与工程学院

摘要(Abstract)：

采用原位热压工艺,在Ti-Al-TiO2-Nb2O5体系中加入Cr2O3原位合成Al2O3/TiAl复合材料。借助X射线衍射分析、SEM分析及力学性能分析,研究了Nb-Cr掺杂复合强化Al2O3/TiAl复合材料的反应过程、微观结构及力学性能。结果表明Nb-Cr掺杂原位合成Al2O3/TiAl复合材料能够细化晶粒并通过微合金化增强增韧TiAl复合材料。

关键词(KeyWords)： Nb-Cr掺杂;Al2O3/TiAl复合材料;微合金化;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51072109)

作者(Author): 郭晓波,王芬,朱建锋,杨文文

DOI: 10.13289/j.issn.1009-6264.2012.s1.002

参考文献(References)：

• [1]王芬,艾桃桃,范志康,等.La2O3、Ce2O3掺杂对原位合成Al2O3(p)/TiAl复合材料显微组织与性能的影响[J].稀有金属,2007,1(2):22-27.WANG Fen,AI Tao-tao,FAN Zhi-kang,et al.Mechanical properties and microstructure of Al2O3(p)/TiAl in situ composites doped with La2O3,Ce2O3[J].Chinese Journal of Rare Metals,2007,1(2):22-27.
• [2]Li Z W,Gao W,Zhang D L,et al.High temperature oxidation behavior of a TiAl-Al2O3intermetallic matrix composite[J].Corrosion Science,2004,46(8):1997-2007.
• [3]Mutoh Y,Zhu S J,Hansson T,et al.Effect of microstructure on fatigue crack growth in TiAl intermetallics at elevated temperature[J].MaterialsScience and Engineering,2002,323:62-69.
• [4]吴建鹏,朱建锋,曹玉泉.金属间化合物的研究现状与发展[J].热加工工艺,2004,5(2):41-43.WU Jian-peng,ZHU Jian-feng,CAO Yu-quan.The research present situation and development of the intermetallic[J].Hot Working Technology,2004,5(2):41-43.
• [5]Djanarthany S,Viala J C,Bouix J.An overview of monolithic titanium aluminates based on Ti3Al and TiAl[J].Materials Chemistry and Physics,72(2001):301–319.
• [6]陈方.高合金含量TiAl基合金显微结构和力学性能的研究[D].西南交通大学,2008:5-16.CHEN Fang.Microstructure and mechanical properties of High alloy content TiAl-based alloy[D].Southwest jiaotong university[D].2008:5-16.
• [7]ZHU Jian-feng,YANG Wen-wen,YANG Hai-bo,WANG Fen.Effect of Nb2O5 on the microstructure and mechanical properties of TiAl basedcomposites produced by hot pressing[J].Materials Science and Engineering A,2011,528:6642-6646.
• [8]王衍行,林均品,贺跃辉,等.元素粉末Ti与Al反应机理的研究进展[J].材料导报,2007,21(1):83-85.WANG Yan-hang,LIN Jun-pin,HE Yue-hui,et al.The research of Ti and Al elemental powder reaction mechanism[J].Materials Review,2007,21(1):83-85.
• [9]XIANG Liu-yi,WANG Fen,ZHU Jian-feng,WANG Xiao-feng.Mechanical properties and microstructure of Al2O3/TiAl in situ composites doped withCr2O3[J].Materials Science and Engineering A,2011,528:3337-3341.
• [10]孙国雄,寥恒成,潘冶.颗粒增强金属基复合材料的制备技术和界面反应与控制[J].特种铸造及有色合金,1998,19(4):12-17.SUN Guo-xiong,LIAO Heng-cheng,Pan Yan.The preparation technology and interface reaction control of particle reinforced metal matrix composites[J].Special Casting and Nonferrous Alloys,1998,19(4):12-17.

文章评论(Comment)：