Acta Metall Sin  1997, Vol. 33 Issue (11): 1222-1226    DOI:

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FORMATION MECHANISM OF NiAl/TiC NANOCOMPOSITE BY MECHANICAL ALLOYING

ZHOU Lanzhang;GUO Jianting;QUAN Mingxiu(Institute of Metal Research;The Chinese Academy of Sciences;Shenyang 110015)

ZHOU Lanzhang;GUO Jianting;QUAN Mingxiu(Institute of Metal Research;The Chinese Academy of Sciences;Shenyang 110015). FORMATION MECHANISM OF NiAl/TiC NANOCOMPOSITE BY MECHANICAL ALLOYING. Acta Metall Sin, 1997, 33(11): 1222-1226.

Abstract References Related Articles Recommended Metrics Download:  PDF(1188KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Ni, Al, Ti, and C powders mixed at a composition of Ni37Al37Ti37C13 were milled in a high-energy ball mill.Upon milling for 107 min,an abrupt reaction occurred, resulting in in situ formation of NiAl and TiC compounds.The formation mechanism is suggested to be two separated combustion reactions, i.e. Ni+Al→NiAl and Ti+C→TiC. The combustion reaction conducted incompletely and small amount of elemental powders still existed. Prolonged milling led to gradual formation of NiAl and TiC as well as the refinement of grain sizes. The final saturated grain size for TiC is 2.5 times as large as that for NiAl, though TiC has a much higher melting point compared with NiAl, this is attributed to a different deformation mechanism. Key words:  formation mechanism      mechanical alloying      nanocomposite      intermetallics      Received:  18 November 1997      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/Y1997/V33/I11/1222 1MiracleDB.ActaMetallMater,1993;41:649 2NoebeRD,BowmanRR,NathalMV.IntMaterRev,1993;38:193 3HwangSJ,NashP,DollarM,DymekS.MaterSciForum,1992;88—90:611 4KochCC.NanostructMater,1993;2:109 5AtzmonM.PhysRevLett,1990;64:487 6MaE,PaganJ,CranfordG,AtzmonM.JMaterRes,1993;8:1836 7PatankarSN,XiaoSQ,LewandowskiJJ,HeuerAH.JMaterRes,1993;8:1311 8ParkYH,HashimotoH,AbeT,WatanabeR.MaterSciEng,1994;A181/182:1291 9LiuZG,GuoJT,YeLL,LiGS,HuZQ.ApplPhysLett,1994;65:2666 10EckertJ,SchwarzL,HellsternE,UrbanK.JApplPhys,1988;64:3224 11KochCC.AnnRevMaterSci,1989;19:121 12DeeviSC.JMaterSci,1991;26:3343 13LiuZG,GuoJT,LiGS,HuZQ.ActaMetallSin(Engl.Ed),1994;7:7 14BarinI,KnackeO,Kwbashewski.ThermochemicalPropertiesofInorganicSubstances(Supplement).Berlin:Springer-Verlag,1977 15GuoJT,XingZP.JMaterRes,1997;12:1083} [1] ZHANG Leilei, CHEN Jingyang, TANG Xin, XIAO Chengbo, ZHANG Mingjun, YANG Qing. 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