欢迎登录材料期刊网

材料期刊网

高级检索

利用急冷固法获得柱状Al<,70.1>Ni<,24>Co<,5.9>单准晶,并用X线衍射仪测定Al<,70.1>Ni<,24>Co<,5.9>准晶的衍射强度.结果表明,在Al<,70.1>Ni<,24>Co<,5.9>的准周期面内H方向和K方向都出现了强衍射峰和弱衍射峰.Al<,70.1>Ni<,24>Co<,5.9>准晶经过热处理后,准点阵常数随着热处理温度降低而增大,在600和700℃之间准点阵常数将不发生变化,说明了热处理温度对准晶相变的影响,确定了Al<,70.1>Ni<,24>Co<,5.9>准晶结构的稳定性.

参考文献

[1] Shechtman D;Blech I;Fratias D et al.Metallic phase with long-range orientational order and no translational symmetry[J].Physical Review Letters,1984,53:1951-1953.
[2] Tsai A P;Inoue A;Masumoto T .Stable decagonal Al-Co-Ni and Al-Co-Cu quasicrytals[J].Materials Transactions-Japan Institute of Metals,1989,30:463-473.
[3] 孔祥春,胡望宇,邓辉球.准晶与其近似相模拟中的势函数[J].中国有色金属学报,2010(05):969-975.
[4] 杨治立,陈登明,廖道瀚.铝镍钴定向凝固过程的模拟研究[J].材料工程,2009(01):46-49.
[5] Yang Zhi-li;Chen Deng-ming;Tian Shi-long et al.Numerical simulation on directional solidification of Ai-Ni-Co alloy based on FEM[J].China Foundry,2010,1:57-60.
[6] 刘新宝,杨根仓,樊建锋,王锦程.准晶Al72Ni12Co16合金在特殊涂层中的深过冷及其凝固组织[J].中国有色金属学报,2003(02):349-352.
[7] Yoshie Matsuo;Yutsuki Nishimura;Kazuki Yamamoto;Yasushi Ishii .Relationship between phason strain and approximant crystal structure in Co-rich Al-Ni-Co decagonal phase[J].Materials transactions,2001(9):2008-2012.
[8] Yamamoto K;Wang Y;Nishimura Y et al.Synchrotron X-ray study of phason and phonon strains in a Co-rich Al-Ni-Co decagonal phase[J].Materials Transactions,2004,45:1255-1260.
[9] Kazuki Yamamoto;Wang Yang;Yutsuki Nishimura .The successive phase transformation in a Co-rich Al-Ni-Co decagonal phase[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2002(1/2):237-240.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%