Acta Metall Sin  1994, Vol. 30 Issue (3): 124-132    DOI:

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MICRO-MECHANICAL ANALYSIS OF THERMAL MISFIT OF SINGLE CRYSTAL Ni-BASE SUPERALLOY

YUE Zhufeng;ZHENG Changqing(Northwestern Polytechnical University;Xi'an)(Manuscript received 2 April;1993;in revised form 24 September;1993)

YUE Zhufeng;ZHENG Changqing(Northwestern Polytechnical University;Xi'an)(Manuscript received 2 April;1993;in revised form 24 September;1993). MICRO-MECHANICAL ANALYSIS OF THERMAL MISFIT OF SINGLE CRYSTAL Ni-BASE SUPERALLOY. Acta Metall Sin, 1994, 30(3): 124-132.

Abstract References Related Articles Recommended Metrics Download:  PDF(611KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Based on the micro-structural feature of single crystal Ni-base superalloy,two micro-models have been proposed to calculate and analyze its thermal misfit,especially,the critical resolved shear stress of the two-phase superalloys.The results show that the macro-critical resolved shear stress can be obtained by the finite element method which takes thermal misfit into consideration,and the method can be used to analyze further the superalloys with high γ'volume.The effect of thermal misfit on change of γ'on tempering condition,and the primary quantitative result shows that the thermal misfit stress is one of the main driving forces on γ'coarsening.Correspondent:YUE Zhufeng,Post Box 350,Department of Mechanical Engineering,NorthwesternPolytechnical University,Xi'an 710072 Key words:  Ni-base superalloy single crystal      thermal misfit      thermal misfit stesss      critical resolved shear stress      micro-structure      Received:  18 March 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/I3/124 1LallC,ChinS,PopeDP．MetallTrans,1979;10A:1323-13322PaidarV,Pope,DP,VitekV,ActaMetall,1984;32:435-4483MullerL,GlatzelU,Feller-KniepmeierM．ActaMetallMater,1992;40:1321-13274MullerL,LinkT,Feller-KniepmeierM．ScrMetallMater,1992;26:1297-13025GaydaJ,MackayRA．ScrMetall．1989;23:1835-18386GlatzelU,Feller-KniepmeierM．ScrMetall,1989;23:1839-18447DandekarDP,MartinAG．JMaterSci．1990;25:3321-33268ButtnerN,FusenigKD,NembachE．ActaMetalL1987;35:845-8549NembachN,SchanzerS,SchrorerW,TrinckanfK．Acta MetalL,1983;36:1471-147910Schanzers,NembachE．ActaMetall,Mater,1992;40:803-81311ReppichB,ScheppP,WehnerG．ActaMetall,1982;30:95-10412ShahBD,DuhlDN．In:GellM,KovtovichCS,BricknellRH,KentWB,RadavichKE,eds,Superalloys1984,Proc．5thInt．Symp．onSuperalloys,AIME,Warrendale,PA,1984:105-11413岳珠峰,郑长卿．航空学报,1993;14:A556-55914TienJK,CopleySM．MetallTransA,1971;2:543-55315冯端．结构与缺陷．北京:科学出版社,1988:525-52716BrownAM,AshbyMF．ActaMetall,1980;28:1085-110117StrangmanTE,HeathB,FujiiM．Low-CostSingleCrystalTurbineBlades,NASACR-168218,1983 [1] WU Donghai;HU Gengxiang (Department of Materials Science; Shanghai Jiaotong University; Shanghai 200030)INUI Haruyuki; YAMAGUCHI Masaharu (Kyoto University; Kyoto 606-01; Japan). DEFORMATION BEHAVIOR OF γ-TiAl SINGLE CRYSTALS AT DIFFERENT TEMPERATURES[J]. 金属学报, 1998, 34(1): 39-44. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed