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Molecular dynamics study of special quasirandom structure of Zr-Nb alloys

Zhou Ming-Jin Hou Qing Pan Rong-Jian Wu Lu Fu Bao-Qin

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Molecular dynamics study of special quasirandom structure of Zr-Nb alloys

Zhou Ming-Jin, Hou Qing, Pan Rong-Jian, Wu Lu, Fu Bao-Qin
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  • Irradiation damage to zirconium alloys (e.g., zirconium niobium (Zr-Nb) alloy) is the key to the design of fission-reactor structural materials and fuel rod cladding materials. Atomic scale computational simulations such as molecular dynamics and first principles are often needed to understand the physical mechanism of irradiation damage. For the simulation of randomly substitutional solid solution, it is necessary to construct large-sized supercells that can reflect the random distribution characteristics of alloy elements. However, it is not suitable to use large-size supercells (such as ≥ 200 atoms) for first principle calculation, due to the large computational cost. Special quasirandom supercells (SQS) are usually used for first principles calculation. The SQS can partly reflect the random distribution characteristics of alloy elements, but it only corresponds to one configuration for specific components, hence whether this model can reflect the statistical average of multiple local configurations in a real randomly substitutional solid solution is still an open question, and needs further studying and verifying. Molecular dynamics (MD) simulation can be carried out on the randomly substitutional solid solution with a larger scale based on random substitution (RSS) method, these supercells include more local configurations. Therefore, the MD studies of Zr-Nb alloy are carried out for the RSS and SQS-extended supercells. The critical size of RSS supercell which can truly reflect the statistical properties of solid solution alloy is determined. Then the lattice constant, formation energy and energy-volume relationship of SQS-extended supercell of Zr-Nb alloy and a series of RSS supercells are calculated and compared. The results show that the lattice constants, the formation energy and energy volume curves of the solid solution obtained by SQS supercell simulation are close to a series of corresponding statistical values of the physical properties of RSS supercells, so the SQS supercells can be used to study the random substitution of solid solution alloys.
      Corresponding author: Fu Bao-Qin, bqfu@scu.edu.cn
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 51501119) and the Fundamental Research Funds for the Central Universities
    [1]

    Silva C, Leonard K, Trammel M, Bryan C 2018 Mater. Sci. Eng., A 716 296Google Scholar

    [2]

    Smirnova D E, Starikov S V 2017 Comput. Mater. Sci. 129 259Google Scholar

    [3]

    Kharchenko V O, Kharchenko D O 2013 Condens. Matter Phys. 16 13801Google Scholar

    [4]

    Sabol G P, Moan G D 2000 Zirconium in the Nuclear Industry: 12th International Symposium (West Conshohocken, PA: ASTM) p505

    [5]

    Bradley E R, Sabol G P 1996 Zirconium in the Nuclear Industry: 11th International Symposium (West Conshohocken, PA: ASTM) p710

    [6]

    Novikov V V, Markelov V A, Tselishchev A V, Konkov V F, Sinelnikov L P, Panchenko V L 2006 J. Nucl. Sci. Technol. 43 991Google Scholar

    [7]

    Hohenberg P, Kohn W 1964 Phys. Rev. 136 864Google Scholar

    [8]

    Alder B J, Wainwright T E 1957 J. Chem. Phys. 27 1208Google Scholar

    [9]

    Wei S H, Ferreira L G, Bernard J E, Zunger A 1990 Phys. Rev. B 42 9622Google Scholar

    [10]

    Jiang C, Wolverton C, Sofo J, Chen L Q, Liu Z K 2004 Phys. Rev. B 69 214202Google Scholar

    [11]

    Shin D, Arróyave R, Liu Z K, van de Walle A 2006 Phys. Rev. B 74 024204Google Scholar

    [12]

    Hu Y L, Bai L H, Tong Y G, Deng D Y, Liang X B, Zhang J, Li Y J, Chen Y X 2020 J. Alloys Compd. 827 153963Google Scholar

    [13]

    Daw M S, Baskes M I 1984 Phys. Rev. B 29 6443Google Scholar

    [14]

    Wadley H N G, Zhou X, Johnson R A, Neurock M 2001 Prog. Mater. Sci. 46 329Google Scholar

    [15]

    Zhou X W, Wadley H N G, Filhol J S, Neurock M N 2004 Phys. Rev. B 69 14413Google Scholar

    [16]

    Johnson R A 1989 Phys. Rev. B 39 12554Google Scholar

    [17]

    Lin D Y, Wang S S, Peng D L, Li M, Hui X D 2013 J. Phys. Condens. Matter 25 209501Google Scholar

    [18]

    Lide D R 2009 CRC Handbook of Chemistry and Physics: A Ready-Reference Book of Chemical and Physical Data (Boca Raton, FL: CRC Press) p1

    [19]

    Hou Q, Li M, Zhou Y, Cui J, Cui Z, Wang J 2013 Comput. Phys. Commun. 184 2091Google Scholar

    [20]

    Jacob K T, Raj S, Rannesh L 2007 J. Mater. Res. 98 776Google Scholar

    [21]

    Stukowski A 2010 Modell. Simul. Mater. Sci. Eng. 18 015012Google Scholar

    [22]

    Benites G M, Fernández Guillermet A, Cuello G J, Campo J 2000 J. Alloys Compd. 299 183Google Scholar

    [23]

    Grad G B, Pieres J J, Guillermet A F, Cuello G J, Granada J R, Mayer R E 1995 Physica B 213-214 433Google Scholar

    [24]

    Lichter B D 1960 Trans. Met. Soc. AIME 218 1015

    [25]

    Barannikova S A, Zharmukhambetova A M, Nikonov A Y, Dmitriev A V, Ponomareva A V, Abrikosov I A 2015 IOP Conf. Ser.: Mater. Sci. Eng. 71 012078Google Scholar

    [26]

    Okamoto H 1992 J. Phase Equilib. 13 577Google Scholar

    [27]

    Rose J H, Smith J R, Guinea F, Ferrante J 1984 Phys. Rev. B 29 2963Google Scholar

  • 图 1  $ {A}_{x}{B}_{1-x} $随机置换固溶体SQS模型超胞 (a) x = 0.5, SQS-16, bcc晶格; (b) x = 0.25或x = 0.75, SQS-16, bcc晶格; (c) x = 0.5, SQS-8, hcp晶格; (d) x = 0.25或x = 0.75, SQS-16, hcp晶格

    Figure 1.  Supercells of the $ {A}_{x}{B}_{1-x} $ random solid solution: (a) x = 0.5, SQS-16, bcc lattice; (b) x = 0.25 or x = 0.75, SQS-16, bcc lattice; (c) x = 0.5, SQS-8, hcp lattice; (d) x = 0.25 or x = 0.75, SQS-16, hcp lattice.

    图 2  不同超胞尺寸的bcc和hcp结构Zr-Nb合金的构型误差(形成能的相对误差)

    Figure 2.  Configuration Errors of Zr-Nb alloy with bcc and hcp structure in different supercell sizes (relative errors of formation energy).

    图 3  bcc结构Zr-60%Nb合金能量与晶格常数的关系

    Figure 3.  Relationship between solid solution energy and lattice constant of Zr-60%Nb alloy in bcc lattice.

    图 4  由SQS和RSS模型得到的合金晶格常数与Nb浓度的关系 (a) bcc晶格; (b) hcp晶格; (a)中实验值取自文献[22, 23], ADP势函数计算的晶格常数取自Smirnova和Starikov[2]

    Figure 4.  Relationships between the alloy lattice constant and Nb concentration obtained from SQS and RSS models: (a) The bcc lattice; (b) the hcp lattice. In Fig. 4(a), the experimental values were obtained from literatures[22,23], and the lattice constant calculated from the ADP potential function was taken from Smirnova and Starikov[2].

    图 5  SQS模型与RSS模型计算的Zr-Nb合金的总形成能 (a) bcc晶格; (b) hcp晶格

    Figure 5.  Total formation energies of Zr-Nb alloy calculated from the RSS and SQS structures: (a) The bcc lattice; (b) the hcp lattice.

    图 6  bcc晶格RSS超胞和SQS超胞的E-V曲线, 以及ADP势的计算结果, 其中, 多边形和圆形图标为对应的SQS和RSS模型的能量计算值, 对应的曲线是用EOS方程[27]拟合得到的E-V曲线; 单点划线、双点划线和短划线是Smirnova和Starikov[2]得到的ADP势模拟结果

    Figure 6.  Energy-volume curves of RSS and SQS supercells in bcc lattice, and the calculation results of ADP potential. The polygon and circular icons are the energy calculation values of the corresponding SQS and RSS structure, and the corresponding curves are the E-V curves obtained by fitting EOS equation[27]. Single dotted line, double dotted line and short dotted line are the calculated results of ADP potential obtained by Smirnova and Starikov[2].

    图 7  hcp晶格SQS超胞和RSS超胞的Zr-25%Nb合金E-V曲线, 以及ADP势的计算结果[2]

    Figure 7.  E-V curves of Zr-25%Nb alloy obtained by SQS supercells and RSS supercells in hcp lattice, and the calculation results of ADP potential[2].

    表 1  由EOS方程拟合得到的Zr-Nb合金性质(带“*”的为文献[17]的拟合结果; 第一行对应RSS超胞, 第二行对应SQS超胞)

    Table 1.  Properties of Zr-Nb alloy obtained by fitting EOS equation, and the “ * ” is the fitting result of literature[17]. The first line corresponds RSS structure, and the second line corresponds SQS structure.

    AlloyacEc/(eV·atom–1)B0/GPa
    Zr0.75Nb0.25(bcc)3.5276.45096
    3.5316.447100
    Zr0.75Nb0.25(hcp)3.2005.0976.468144
    3.2025.1006.477142
    *L12-Zr3Nb4.496.45107
    Zr0.5Nb0.5(bcc)3.4426.745118
    3.4416.744117
    *B2-ZrNb3.486.69116
    Zr0.25Nb0.75(bcc)3.3667.127153
    3.3677.124156
    *L12-ZrNb34.346.96100
    DownLoad: CSV
  • [1]

    Silva C, Leonard K, Trammel M, Bryan C 2018 Mater. Sci. Eng., A 716 296Google Scholar

    [2]

    Smirnova D E, Starikov S V 2017 Comput. Mater. Sci. 129 259Google Scholar

    [3]

    Kharchenko V O, Kharchenko D O 2013 Condens. Matter Phys. 16 13801Google Scholar

    [4]

    Sabol G P, Moan G D 2000 Zirconium in the Nuclear Industry: 12th International Symposium (West Conshohocken, PA: ASTM) p505

    [5]

    Bradley E R, Sabol G P 1996 Zirconium in the Nuclear Industry: 11th International Symposium (West Conshohocken, PA: ASTM) p710

    [6]

    Novikov V V, Markelov V A, Tselishchev A V, Konkov V F, Sinelnikov L P, Panchenko V L 2006 J. Nucl. Sci. Technol. 43 991Google Scholar

    [7]

    Hohenberg P, Kohn W 1964 Phys. Rev. 136 864Google Scholar

    [8]

    Alder B J, Wainwright T E 1957 J. Chem. Phys. 27 1208Google Scholar

    [9]

    Wei S H, Ferreira L G, Bernard J E, Zunger A 1990 Phys. Rev. B 42 9622Google Scholar

    [10]

    Jiang C, Wolverton C, Sofo J, Chen L Q, Liu Z K 2004 Phys. Rev. B 69 214202Google Scholar

    [11]

    Shin D, Arróyave R, Liu Z K, van de Walle A 2006 Phys. Rev. B 74 024204Google Scholar

    [12]

    Hu Y L, Bai L H, Tong Y G, Deng D Y, Liang X B, Zhang J, Li Y J, Chen Y X 2020 J. Alloys Compd. 827 153963Google Scholar

    [13]

    Daw M S, Baskes M I 1984 Phys. Rev. B 29 6443Google Scholar

    [14]

    Wadley H N G, Zhou X, Johnson R A, Neurock M 2001 Prog. Mater. Sci. 46 329Google Scholar

    [15]

    Zhou X W, Wadley H N G, Filhol J S, Neurock M N 2004 Phys. Rev. B 69 14413Google Scholar

    [16]

    Johnson R A 1989 Phys. Rev. B 39 12554Google Scholar

    [17]

    Lin D Y, Wang S S, Peng D L, Li M, Hui X D 2013 J. Phys. Condens. Matter 25 209501Google Scholar

    [18]

    Lide D R 2009 CRC Handbook of Chemistry and Physics: A Ready-Reference Book of Chemical and Physical Data (Boca Raton, FL: CRC Press) p1

    [19]

    Hou Q, Li M, Zhou Y, Cui J, Cui Z, Wang J 2013 Comput. Phys. Commun. 184 2091Google Scholar

    [20]

    Jacob K T, Raj S, Rannesh L 2007 J. Mater. Res. 98 776Google Scholar

    [21]

    Stukowski A 2010 Modell. Simul. Mater. Sci. Eng. 18 015012Google Scholar

    [22]

    Benites G M, Fernández Guillermet A, Cuello G J, Campo J 2000 J. Alloys Compd. 299 183Google Scholar

    [23]

    Grad G B, Pieres J J, Guillermet A F, Cuello G J, Granada J R, Mayer R E 1995 Physica B 213-214 433Google Scholar

    [24]

    Lichter B D 1960 Trans. Met. Soc. AIME 218 1015

    [25]

    Barannikova S A, Zharmukhambetova A M, Nikonov A Y, Dmitriev A V, Ponomareva A V, Abrikosov I A 2015 IOP Conf. Ser.: Mater. Sci. Eng. 71 012078Google Scholar

    [26]

    Okamoto H 1992 J. Phase Equilib. 13 577Google Scholar

    [27]

    Rose J H, Smith J R, Guinea F, Ferrante J 1984 Phys. Rev. B 29 2963Google Scholar

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  • Received Date:  26 August 2020
  • Accepted Date:  24 September 2020
  • Available Online:  26 January 2021
  • Published Online:  05 February 2021

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