为研究液态Cu的短程有序结构,建立了液态微观结构的纳米晶粒模型,从晶体X射线衍射学的角度出发,通过对固态Cu衍射峰的宽化计算出了液态X射线衍射强度曲线.计算出的强度曲线与实验获得的液态Cu的X射线衍射强度曲线具有较好的一致性,这证明纳米晶粒模型的正确性,同时也证明了Cu的液态短程有序结构与其固态晶体结构存在着密切相关性,即Cu的液态短程序结构为fcc.
参考文献
| [1] | ПОЛTОPAЮ E К.Геннадийникoлаевичеланскнйвиктoралександрoвичкyдрин[M].Мoсква:Металлyргия,1984 |
| [2] | 单德彬,袁林,郭斌.单晶铜弯曲裂纹萌生和扩展的分子动力学模拟[J].哈尔滨工业大学学报,2003(10):1183-1185. |
| [3] | Bernal J D .A geometrical approach to the structure ofliquid[J].Nature,1959,183(4655):141-147. |
| [4] | Bernal J D .Geometry of the structure of monatomicliquids[J].Nature,1960,185(4706):68-70. |
| [5] | КОСОЛAПОB ГФ.Pентгенoгpафия[M].Mосква:Bысшаяшгoла,1962 |
| [6] | EPШОBГС;ЧEPHЯКОBBA.Стpoениеисвoйстважидкихитвеpдыхметаллов[M].Mосква:Mеталлypгия,1978 |
| [7] | Tian Xuelei;Li Chengdong;Chen Xichen .Liquid Structure of the Bulk Amorphous Zr_(41)Ti_(14)Cu_(12.5)Ni_(10)Be_(22.5) Alloy[J].Металлофизика и новейшие технологии: Науч.-теорет. журн.,2002(1):1-7. |
| [8] | Al-Hajry A.;Cowlam N.;Al-Assiri M. .X-ray and neutron diffraction studies of the amorphous ZrPd alloys[J].The journal of physics and chemistry of solids,1998(9):1499-1505. |
| [9] | Al-Hajry A. .Fast amorphization reaction in ZrNi system prepared by mechanical alloying[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2000(12):1989-1998. |
| [10] | IIDA T;GUTHRIE R I L.The physical properties ofliquid metals[M].Oxford:Clarendon Press,1993 |
| [11] | Filho A F;BOLFARINI C;Xu Y et al.Amorphousphase formation in Fe- 6.0wt% Si alloy by mechanicalalloying[J].Scripta Materialia,2000,42:213-217. |
| [12] | Wu NQ.;Yuan MY.;Wu JM.;Li ZZ.;Su LZ. .Nano-sized amorphous Cu-Zr alloy particles prepared by mechanochemical reaction[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1998(2):357-360. |
| [13] | Echert J;TEGER-LEONHARD A;Wei B B et al.Nanostructured materials in muhicomponent alloy systems[J].Materials Science and Engineering A,2001,301:1-11. |
| [14] | Hu CJ.;Lee PY. .Formation of Cu-Zr-Ni amorphous powders with significant supercooled liquid region by mechanical alloying technique[J].Materials Chemistry and Physics,2002(1):13-18. |
| [15] | KOCK C C;CAVIN O B;MCKAMRY C G et al.Preparation ofamorphousNi60Nb40 by mechanical alloying[J].Applied Physics Letters,1983,23:1017-1019. |
| [16] | PERDIGAO M;JORDAO J;KIMINAMI C S et al.Phase transformation in Nb-16.0at% Si processed byhigh-energy ball milling[J].Journal of Non-Crystalline Solids,1997,219:170-175. |
| [17] | ПOПEЛЬПС.Мeтастабильнoe микpopасслoeниeжидкихсплавoви eгo влияниe настpyктypyотливки[J].Литeйнoe пpoизводство,1992(07):3-6. |
| [18] | Zachariasen W H.TheoryofX-raydiffractionincrystals[M].New York:Dover Publications Inc,1967 |
| [19] | 范雄.金属X射线学[M].北京:机械工业出版社,1996 |
| [20] | BALTA-CALLEJA B J;VONK C G.X-ray scatteringon synthetic polymers[M].Amsterdam:Lsevier Science Publishers B V,1989 |
| [21] | Cullity B D.Elements of X-ray Diffraction[M].Philippines:Addison-Wesley Publishing CompanyInc,1978 |
| [22] | IIDA T;GUTHRIE R I L.The physical properties ofliquid metals[M].Oxford:Clarendon Press,1993 |
| [23] | Powder diffraction file[S].Pennsylvania: Joint Committee on Powder Diffraction Standards,1974. |
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