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Low cycle fatigue improvement of powder metallurgy titanium alloy through thermomechanical treatment 被引量：1

Low cycle fatigue improvement of powder metallurgy titanium alloy through thermomechanical treatment
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摘要 A low-cost β type Ti-1.5Fe-6.8Mo-4.8Al-1.2Nd (mass fraction, %)(T12LCC) alloy was produced by blended elemental powder metallurgy(P/M) method and subsequent thermomechanical treatment. Low cycle fatigue(LCF) behavior of P/M T12LCC alloy before and after thermomechanical treatment was studied. The results show that the LCF resistance of P/M titanium alloy is significantly enhanced through the thermomechanical treatment. The mechanisms for the improvement of LCF behavior are attributed to the elimination of residual pores, the microstructure refining and homogenization. A low-cost β type Ti-1.5Fe-6.8Mo-4.8Al-1.2Nd （mass fraction, %）（T12LCC） alloy was produced by blended elemental powder metallurgy（P/M） method and subsequent thermomechanical treatment. Low cycle fatigue（LCF） behavior of P/M T12LCC alloy before and after thermomechanical treatment was studied. The results show that the LCF resistance of P/M titanium alloy is significantly enhanced through the thermomechanical treatment. The mechanisms for the improvement of LCF behavior are attributed to the elimination of residual pores, the microstructure refining and homogenization.
作者 刘彬 刘咏 何小禹 汤慧萍 陈丽芳
机构地区 State Key Laboratory of Powder Metallurgy State Key Laboratory of Porous Materials Technology
出处 《中国有色金属学会会刊：英文版》 EI CSCD 2008年第2期227-232,共6页 Transactions of Nonferrous Metals Society of China
基金 Project(2001AA332010) supported by the National Advanced Materials Committee of China
关键词 钛 冶金术 变形热处理 合金材料 titanium alloy powder metallurgy low cycle fatigue thermomechanical treatment
分类号 TG146.23 [金属学及工艺—金属材料]
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参考文献23

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  • 1HODGSON P D.Elastic modulus and hardness of cortical and trabecular bovine bone measured by nanoindentation[J].中国有色金属学会会刊：英文版,2006,16(B02):744-748. 被引量：5
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  • 9LI J X,ZHANG Y M,HAN Y,et al.Effects of micro-arc oxidation on bond strength of titanium to porcelain[J].Surface and Coatings Technology,2010,204(8):1 252-1 258.
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中国有色金属学会会刊：英文版
2008年 第2期

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