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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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0.037%H对铸态Ti－45Al－5Nb－0.8Mo－0.3Y合金高温变形行为的影响
DOI: 10.3724/SP.J.1037.2013.00507, PP. 1428-1432
Keywords: TiAl基金属间化合物,置氢,流动应力,位错运动,动态再结晶
Abstract:
为了研究热氢处理技术对TiAl基金属间化合物Ti－45Al－5Nb－0.8Mo－0.3Y合金高温变形行为的影响规律,对未置氢和H含量为0.037%(质量分数)的铸态合金进行了等温热压缩实验,并利用SEM和TEM观察了合金压缩后的微观组织．结果表明,H可以降低合金的高温变形流动应力,细化微观组织,提高合金的热加工性能．与未置氢合金相比,在1200℃,应变速率0.01s-1变形条件下,H可使合金的峰值流动应力下降25%左右．置氢处理促进了位错运动、动态再结晶和孪生变形,并提高了β相的含量,这是置氢合金高温变形流动应力下降的主要原因．
| [1] | Chen Y Y, Niu H Z, Kong F T, Xiao S L. Intermetallics, 2011; 19: 1405
|
| [2] | Anisimova L I. Met Sci Heat Treat, 1992; 34(2): 143
|
| [3] | Li F, Chen Y X, Wan X J, Wang Q J, Liu Y Y. Aata Metall Sin, 2006; 42: 143
|
| [4] | (李芳, 陈业新, 万晓景, 王青江, 刘羽寅. 金属学报, 2006; 42: 143)
|
| [5] | Shen C C, Yu C Y, Perng T P. Acta Mater, 2009; 57: 868
|
| [6] | Zhang Y, Zhang S Q. Scr Mater, 1997; 37: 1315
|
| [7] | Zong Y Y. PhD Dissertation, Harbin Institute of Technology, 2007
|
| [8] | (宗影影. 哈尔滨工业大学博士学位论文, 2007)
|
| [9] | Zhang Y, Zhang S Q, Tao C H. Aata Metall Sin, 1996; 32: 235
|
| [10] | (张勇, 张少卿, 陶春虎. 金属学报, 1996; 32: 235)
|
| [11] | Liu X W. PhD Dissertation, Harbin Institute of Technology, 2011
|
| [12] | (刘鑫旺. 哈尔滨工业大学博士学位论文, 2011)
|
| [13] | Lin J P, Cheng G L. Mater China, 2009; 28(1): 31
|
| [14] | (林均品, 陈国良. 中国材料进展, 2009; 28(1): 31)
|
| [15] | Sakai T. J Mater Process Technol, 1995; 53: 349
|
| [16] | Goken M, Kempf M, Nix W D. Acta Mater, 2001; 49: 903
|
| [17] | Liu X W, Su Y Q, Luo L S, Liu J P, Guo J J, Fu H Z. Int J Hydrogen Energy, 2010; 35: 13322
|
| [18] | Liu X W, Su Y Q, Luo L S, Li K, Dong F Y, Guo J J, Fu H Z. Int J Hydrogen Energy, 2011; 36: 3260
|
| [19] | Senkov O N, Froes F H. Int J Hydrogen Energy, 1999; 24: 565
|
| [20] | Murzinova M A, Salishchev G A, Afonichev D D. Int J Hydrogen Energy, 2002; 27: 775
|
| [21] | Bashkin I O, Ponyatovskiy Y G, Senkov O N, Malyshev V Y. Phys Met Metallogr, 1990; 69(2): 67
|
| [22] | Shan D B, Zong Y Y, Lv Y, Guo B. Scr Mater, 2008; 58: 449
|
| [23] | Semiatin S L, Seetharaman V, Weiss I. Mater Sci Eng, 1999; A263: 257
|
| [24] | Semiatin S L, Bieler T R. Acta Mater, 2001; 49: 3565
|
| [25] | Zong Y Y, Shan D B, Lv Y, Guo B. Int J Hydrogen Energy, 2007; 32: 3936
|
| [26] | Yuan B G, Li C F, Yu H P, Sun D L. Mater Sci Eng, 2010; A527: 4185
|
| [27] | Loria E A. Intermetallics, 2001; 9: 997
|
| [28] | Li C G, Fu H Z, Yu Q. Materials in Aerospace. Beijing: National Defense Industry Press,2002: 16
|
| [29] | (李成功, 傅恒志, 于翘. 航空航天材料. 北京: 国防工业出版社, 2002: 16)
|
| [30] | Venkatesware R K T, Kim Y W, Muhlstein C L, Ritchie R O. Mater Sci Eng, 1995; A192－193: 474
|
| [31] | Kim Y W. JOM, 1995; 47(7): 39
|
| [32] | Wu X H. Intermetallics, 2006; 14: 1114
|
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