Acta Metall Sin  1994, Vol. 30 Issue (1): 11-19    DOI:

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STRENGTHENING BEHAVIOUR OF A HIGH-TEMPERATURE Ti ALLOY CONTAINING Nd

SUN Fusheng;CAO Chunxiao;(Beijing Institute of Aeronautical Materials)(Manuscript received 15 June;1993;in revised form 24 August;1993)

SUN Fusheng;CAO Chunxiao;(Beijing Institute of Aeronautical Materials)(Manuscript received 15 June;1993;in revised form 24 August;1993). STRENGTHENING BEHAVIOUR OF A HIGH-TEMPERATURE Ti ALLOY CONTAINING Nd. Acta Metall Sin, 1994, 30(1): 11-19.

Abstract References Related Articles Recommended Metrics Download:  PDF(608KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Influence of Nd on microstructure,tensile properties,thermal stability and strengthening behaviour of Ti-5.5A1-4.SSn-2Zr-1Mo-0.25Si-Nd alloy was studied,Nd can not only refine the prior β grains and α plates,and especially densify dislocation network subgrain boundaries,but also improves tensile strength and thermal-stability.The strengthening of Nd is superposition of strengthening caused by grain-refinement,particularily the densifying of subgrain boundaries,and weakening caused by depletion of Sn and O2 in matrix phase.Correspondent:SUN Fusheng,senior engineer.Laboratory No.15,(Beijing Institue of Aeronautical Materials,Beijing 100095) Key words:  TiAlSnZrMoSiNd alloy      strengthening      Nd      Received:  18 January 1994      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1994/V30/I1/11 1SastrySML,PengTC,O'NealJE,TitaniumScienceandTechnology,1984;l:3972SastrySML,MeschterPJ,O'NealJE,MetallTrans,1984;15A:14513KonitzerDG,MuddleBC,FraserHL,MetallTrans,1983;14A:19794KonitzerDG,ScriptaMetall,1983;17:9635WangSH,ProcMaterResSocSymp,1984;28:367 6Bowden DM,SastrySMLet．al,TitaniumSciTech,1984;2:7837李东,刘羽寅,钛科学与工程,1987;2:498杨冠军,韩传玺．钛科学与工程,1987;2:699秦蔡庆,唐仕生．钛科学与工程,1987;3:6310陈克修,罗月新．钛科学与工程,1987;2:4211金相实验技术,清华大学教学讲义,1983年10月12孙福生,硕士学位论文,北京航空材料研究所,1988年12月13孙福生,曹春晓．材料工程,1991;3:4814MottNF,NabarroFRN,ReportofConferenceonStrengthofSolids,194815EA著,陈石卿译．钛合金金相学,北京:国防工业出版社,198616王金友,葛志明,周彦邦．航空用钛合金,上海科学技术出版社,1985:6017张树文,李永森．钛科学与工程,1987;2:4418FleischerRL．ActaMet,1963;11:20319SastrySML,MetalTrans．1984;15A:146520FelthamP．JApplphys．1968;1:30321AssbyMF,In:KelleyA,etaleds．,StrenglheningMethodsinCrvstals,JohnWiley,NewYork,1971:137. 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