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Ti_(40)Zr_(40)Ni_(20)块体铸态准晶的相变研究 被引量：2

On the Phase Transformation of Bulk as-Cast Ti_(40)Zr_(40)Ni_(20) Quasicrystal
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摘要 用吸铸法制备出单相块体Ti40Zr40Ni20准晶。其准点阵参数为aR=0.523nm。通过差示扫描量热法(DSC)和X射线衍射等手段研究了该铸态准晶合金在加热过程中的相变行为。结果表明,Ti40Zr40Ni20铸态准晶在964K温度以下稳定;在964K附近温度,准晶发生分解,形成由-Zr(Ti)固溶体与C14相组成的两相混合组织;在1107K,该混合物发生熔化。 A pure quasicrystal with the composition Ti40Zr40Ni20 was obtained in bulk form by using conventional suction-casting. The quasi-lattice constant of the icosahedral phase (I-phase) is 0.523 nm. Differential scanning calorimetry (DSC) together with X-ray diffraction were used to study the temperature-induced phase transformation of the as-cast I-phase. Two endothermic reactions are identified in the DSC trace. The first endothermic reaction with an onset temperature of 964 K corresponds to eutectoid transformation from the I-phase to the C14-type Laves phase and beta-Zr(Ti) solid solution. The second one with an onset temperature of 1 107 K indicates the melting transformation of the eutectoid mixture.
作者 羌建兵 王英敏 王德和 董闯
机构地区 大连理工大学三束表面改性国家重点实验室
出处 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2004年第9期949-952,共4页 Rare Metal Materials and Engineering
基金 国家自然科学基金委员会"国家自然科学基金"资助(50271012)
关键词 相变 准晶 Ti-Zr-Ni合金 phase transformation quasicrystal Ti-Zr-Ni alloy
分类号 TG131 [一般工业技术—材料科学与工程] TG146.4 [金属学及工艺—金属材料]
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参考文献12

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同被引文献15

  • 1王伟伟,龙兴贵.Ti-Mo合金的吸放氢动力学[J].核化学与放射化学,2007,29(2):80-84. 被引量：8
  • 2G.W. Lee,A.K. Gangopadhyay,K.F. Kelton.Phase diagram studies of Ti–Zr–Ni alloys containing less than 40<ce:hsp sp="0.25"/>at.% Ni and estimated critical cooling rate for icosahedral quasicrystal formation from the liquid[J].Acta Materialia.2011(12)
  • 3J. -M. Dubois.Twenty-five years of quasicrystals: Where are we now and what does the future hold?-A personal outlook[J].Philosophical Magazine (-).2008(13-15)
  • 4Stephan Siegmann,Philippe Kern,Lukas Rohr,Partha P. Bandyopadhyay.Tribological and Corrosion Behavior of Vacuum Plasma Sprayed Ti-Zr-Ni Quasicrystalline Coatings[J].Journal of Thermal Spray Technology (-).2007(5-6)
  • 5P.P. Bandyopadhyay,S. Siegmann.Friction and wear behavior of vacuum plasma-sprayed Ti–Zr–Ni quasicrystal coatings[J].Surface & Coatings Technology.2005(1)
  • 6J.B. Qiang,Y.M. Wang,D.H. Wang,M. Kramer,P. Thiel,C. Dong.Quasicrystals in the Ti–Zr–Ni alloy system[J].Journal of Non-Crystalline Solids.2004
  • 7V Brien,A Dauscher,P Weisbecker,J Ghanbaja,F Machizaud.Transversal growth microstructures of quasicrystalline Ti–Zr–Ni films[J].Journal of Crystal Growth.2003(3)
  • 8V. Brien,A. Dauscher,P. Weisbecker,F. Machizaud.Growth of a textured quasicrystalline phase in Ti-Ni-Zr films prepared by pulsed laser deposition[J].Applied Physics A Materials Science & Processing.2003(2)
  • 9M. Baricco,S. Spriano,I. Chang,M.I. Petrzhik,L. Battezzati.“Big cube” phase formation in Zr-based metallic glasses[J].Materials Science & Engineering A.2001
  • 10W. J. Kim,P. C. Gibbons,K. F. Kelton.A new 1/1 crystal approximant to the stable Ti-Zr-Ni icosahedral quasicrystal[J].Philosophical Magazine Letters.1997(3)

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稀有金属材料与工程
2004年 第9期

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