热处理对Al-Ni-Co单准晶相的影响Effect of heat treatment on Al-Ni-Co single quasicrystal phase
汪洋,山本树一
摘要(Abstract):
利用急冷固法获得柱状Al70.1 Ni24 Co5.9单准晶,并用X线衍射仪测定Al70.1 Ni24 Co5.9准晶的衍射强度。结果表明,在Al70.1 Ni24 Co5.9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。Al70.1 Ni24 Co5.9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Al70.1Ni24Co5.9准晶结构的稳定性。
关键词(KeyWords): 柱状准晶;Al-Ni-Co;热处理
基金项目(Foundation): 国家自然科学基金(50871103)
作者(Author): 汪洋,山本树一
DOI: 10.13289/j.issn.1009-6264.2011.04.007
参考文献(References):
- [1]Shechtman D,Blech I,Fratias D,et al.Metallic phase with long-range orientational order and no translational symmetry[J].Phys Rev Letter,1984,53:1951-1953.
- [2]Tsai A P,Inoue A,Masumoto T.Stable decagonal Al-Co-Ni and Al-Co-Cu quasicrytals[J].Mater Trans JIM,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,2010,20(5):969-975.Kong Xiang-chun,Hu Wang-yu,Deng Hui-qiu.Interatomic potentials for simulation of quasicrystal and its approximant[J].The Chinese Journal ofNonferrous Metals,2010,20(5):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(1):46-49.Yang Zhi-li,Chen Deng-ming,Liao Dao-han.Numerical simulation on directional solidification process of Al-Ni-Co alloy[J].Journal of MaterialsEngineering,2009(1):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].ChinaFoundry,2010,1:57-60.
- [6]刘新宝,杨根仓,樊建锋,等.准晶Al72Ni12Co16合金在特殊图层中的深过冷及其凝固组织[J].中国有色金属学报,2003,13(2):349-352.Liu Xin-bao,Yang Gen-cang,Fan Jiang-feng,et al.High undercooling and microstructure of Al72Ni12Co16 alloy in special Si-Zr-B shell mold[J].The Chinese Journal of Nonferrous Metals,2003,13(2):349-352.
- [7]Matsuo Y,Nishimura Y,Yamamoto K,et al.Relationship between phason strain and approximant crystal structure in Co-rich Al-Ni-Co decagonalphase[J].Mater Trans,2001,42(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].MaterTrans,2004,45:1255-1260.
- [9]Yamamoto K,Wang Y,Nishimura Y,et al.The successive phase transformation in a Co-rich Al-Ni-Co decagonal phase[J].J Alloys and Comp,2002,342:237-240.
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