于腾,王磊,赵永庆,倪浩天

• 1:东北大学材料各向异性与织构教育部重点实验室
• 2:西北有色金属研究院

摘要(Abstract)：

研究了Ti-26合金固溶处理后,在不同时效温度条件下次生α相的析出特征以及室温拉伸性能。结果表明,在450～650℃范围内时效处理时,随着时效温度的升高,α相析出的体积分数先增多而后减少,Ti-26合金的抗拉强度与α相的体积分数也同样有着先升高而后减少的变化趋势。由于不同体积分数的α相对应着不同的抗拉强度与伸长率,所以,通过时效温度的调整可以使Ti-26合金得到不同抗拉强度与伸长率的配合,以适合不同的使用要求。

关键词(KeyWords)： Ti-26钛合金;析出特征;时效处理;拉伸性能

Abstract:

Keywords:

基金项目(Foundation): 国家“973”基础研究项目(2007CB613805);; 教育部“长江学者与创新团队”资助项目(IRT0713)

作者(Author): 于腾,王磊,赵永庆,倪浩天

DOI: 10.13289/j.issn.1009-6264.2010.06.023

参考文献(References)：

• [1]张庆玲,王庆如,李兴无.航空用钛合金紧固件选材分析[J].材料工程,2007,(1):11-18.ZHANG Qing-ling,WANG Qing-ru,LI Xing-wu.Materials selection analysis for titanium alloy fasteners in aviation industry[J].Journal of Materials Engineering,2007,(1):11-18.
• [2]Misra A,Gibala R,Noebe R D.Optimization of toughness and strength in multiphase inermetallics[J].Intermetallics,2001,9(10-11):971-978.
• [3]Xue Z,Huang Y,Li M.Particle size effect in metallic materials:a study by the theory of mechanism-based strain gradient plasticity[J].Acta Materialia,2002,50(1):149-160.
• [4]Nie J F.Effect of precipitate shape and orientation on dispersion strengthening in magnesium alloys[J].Scripta Materialia,2003,48(8):1009-1015.
• [5]Ivasishin O M,Markovsky P E,Semiatin S L,et al.Aging response of coarse-and fine-grainedβtitanium alloys[J].Materials Science and Engineering A,2005,405:296-305.
• [6]Furuhara T,Maki T,Makino T.Microstructure control by thermomechanical processing inβ-Ti-15-3 alloy[J].Journal of Materials Processing Technology,2001,117:318-323.
• [7]沈桂琴,王世洪,梁佑明,等.Ti-15V-3Cr-3Sn-3Al合金的等温转变研究[J].金属热处理学报,1996,17(1):10-15.SHEN Gui-qin,WANG Shi-hong,LIANG You-ming,et al.Isothermal transformation in Ti-15V-3Cr-3Sn-3Al alloy[J].Transactions of Metal Heat Treatment,1996,17(1):10-15.
• [8]侯世耀,王平,雷家峰,等.固溶时效处理对Ti-15-3合金显微组织及力学性能的影响[J].金属热处理,2007,32(4):23-26.HOU Shi-yao,WANG Ping,LEI Jia-feng,et al.Effects of solution and ageing on microstructure and mechanical properties of Ti-15-3 alloy[J].Heat Treatment of Metals,2007,32(4):23-26.
• [9]葛鹏,赵永庆,周廉.Ti-B20钛合金的时效特征[J].中国有色金属学报,2005,15(1):44-48.GE Peng,ZHAO Yong-qing,ZHOU Lian.Aging characteristics of Ti-20 alloy[J].The Chinese Journal of Nonferrous Metals,2005,15(1):44-48.
• [10]于腾,王磊,赵永庆,等.近β型高强钛合金Ti-26的β晶粒长大行为[J].郑州大学学报:工学版,2009,30(1):6-9.YU Teng,WANG Lei,ZHAO Yong-qing,et al.Growthing behavior ofβ-phase grain in high strength near-βtitanium alloy Ti-26[J].Journal of Zhengzhou University:Engineering Science,2009,30(1):6-9.
• [11]张喜燕,赵永庆,白晨光.钛合金及应用[M].北京:化学工业出版社,2005:93-99.
• [12]Malinov S,Sha W,Guo Z,et al.Synchrotron X-ray diffraction study of the phase transformations in titanium alloys[J].Materials Characterization,2002,48:279-295.

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