冷却速度对制备AlCuFe准晶的影响Effect of cooling rate on microstructure of Al64Cu24Fe12 quasicrystals prepared by casting method
王一帆,侯华,田晋忠,张峰浩,赵宇宏,李会军
摘要(Abstract):
采用常规铸造法制备了Al_(64)Cu_(24)Fe_(12)准晶,研究了不同冷却速度对准晶的组织和相变化的影响。结果表明:铸态时,试样中的主要组成相基本相同为λ((Al-Cu)_(13)Fe_4)、I(Al_(64)Cu_(24)Fe_(12))、β(τ)(Al(Fe,Cu))、η(AlCu)相。其中冷却速度越大准晶合金的微观组织晶粒越细小,对先析出相λ相的抑制越明显。经过820℃保温6 h热处理后所有试样中都得到成分趋于单一的I相。而与其他试样相比,冷却速度最快的试样表面组织形貌更加平整,I相更加均匀单一化。
关键词(KeyWords): 铸造法;Al64Cu24Fe12准晶;冷却速度;热处理
基金项目(Foundation): 国家科技部国际科技合作项目(2014DFA50320);; 国家自然科学基金(51574207,51574206,51204147,51274175);; 山西省国际科技合作项目(2013081017,2012081013)
作者(Author): 王一帆,侯华,田晋忠,张峰浩,赵宇宏,李会军
DOI: 10.13289/j.issn.1009-6264.2016.10.002
参考文献(References):
- [1]Shechtman D,Blech I,Gratias D,et al.Metallic phase with long-range orientional order and no translational symmetry[J].Phys Rev Lett,1984,53:1951-1953.
- [2]Tsai A P,Inoue A,Masumoto T.A stable quasicrystal in Al-Cu-Fe system[J].Jpn J Appl Phys,1987,26:1587-1590.
- [3]Yokoyama Y,Fukaura K,Sunuda H.Preparation of large grained Al64Cu23Fe13Icosahedral quasicrystal directly from the melt[J].Materials Transctions,2000,41:668-674.
- [4]周细应,罗军明.Al-Cu-Fe-B多晶准晶材料的摩擦特性[J].材料热处理学报,2004,25(4):7-10.ZHOU Xi-ying,LUO Jun-ming.Friction behavior of Al-Cu-Fe-B polycrystalline quasicrystals[J].Transactions of Materials and Heat Treatment,2004,25(4):7-10.
- [5]陈千宝.Al-Cu-Co准晶磨料及其研磨特性研究[D].大连:大连理工大学,2013.CHEN Qian-bao.Fabrication and abrasive characterization of Al-Cu-Co quasicrystalline grinding-materials[D].Dalian:Dalian University of Technology,2013.
- [6]Mukhopadhyay N K,Uhlenwinkel V,Srivastava V C.Synthesis and characterization of bulk Al-Cu-Fe based quasicrystals and composites by spray forming[J].Journal of Materials Engineering and Performance,2015,24(6):2172-2178.
- [7]Baruab P,Murtyb S,Srinivas V.Mechanical alloying of Al-Cu-Fe elemental powders[J].Materials Science and Engineering,2001,304/306(1):863
- [8]Novak P,Kubatik T,Vystrcil J.Powder metallurgy preparation of Al-Cu-Fe quasicrystals using mechanical alloying and spark plasma sintering[J].Intermetallics,2014,52(4):131-137.
- [9]Rosas G,Perez R.On the relationships between icosahedral phase diagrams and quasicrystalline phase transformation in Al-Cu-Fe alloy[J].Materials Science and Engineering A,2001,298:79-83.
- [10]Rosas G,Perez R.The nature of quasicrystal phase in Al Cu Fe alloys[J].Materials Letters,1998,36:229-234.
- [11]李小平.Al63Cu25Fe12准晶与镁、铝及其合金复合过程的研究[D].上海:上海交通大学,2007.LI Xiao-ping.A study of process in Al63Cu25Fe12quasicrystalline combined with Mg/Al and their alloys[D].Shanghai:Shanghai Jiao Tong University,2007.
- [12]Lee S M,Jeon H J,Kim B H.Solidification sequence of the icosahedral quasicrystal forming Al-Cu-Fe alloys[J].Materials Science and Engineering A,2001,304/306:871-878.
- [13]张峰浩,侯华,赵宇宏,等.铸态Al63Cu25Fe12准晶的制备[J].铸造技术,2014,35(6):1171-1172.ZHANG Feng-hao,HOU Hua,ZHAO Yu-hong,et al.Preparation of as cast Al63Cu25Fe12quasicrystalline[J].Foundry Technology,2014,35(6):1171-1172.
- [14]段亚萍.Al-Cu-Fe准晶颗粒的制备及其对ZL101合金的强化[D].太原:中北大学,2014.DUAN Ya-ping.The preparation of Al-Cu-Fe quasicrystal particles and the strengthening function of that for ZL101 alloy[D].Taiyuan:North University of China,2014.
- [15]李小平,徐洲,王硕.冷却速度对Al Cu Fe准晶材料铸态组织的影响[J].上海金属,2002,24(6):7-9.LI Xiao-ping,XU Zhou,WANG Shuo.Effect of cooling rate on as-cast structure of Al Cu Fe quasicrystalline material[J].Shanghai Metals,2002,24(6):7-9.
- [16]Lograsso T A,Ross A R.Processing of Al-Cu-Fe quasicrystalline single grains[J].Mater Res Soc Symp Proc,1999,553:3-12.
- [17]董闯.准晶材料[M].北京:国防工业出版社,1998:78-79.
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