| CALCULATION OF THE VACANCY VOLUME OF METALS BY MODIFIED BROOKS＇ MODEL |
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| 引用本文： | W.H.Qi M.P.Wang W.Y.Hu B.W.Zhang. CALCULATION OF THE VACANCY VOLUME OF METALS BY MODIFIED BROOKS＇ MODEL[J]. 金属学报(英文版), 2004, 17(6): 888-893 |
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| 作者姓名： | W.H.Qi M.P.Wang W.Y.Hu B.W.Zhang |
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| 作者单位： | [1]SchoolofMaterialsScienceandEngineering,JiangsuUniversity,Zhenjiang212013,China／／SchoolofMaterialsScienceandEngineering,CentralSouthUniversity,Changsha410083,China [2]SchoolofMaterialsScienceandEngineering,CentralSouthUniversity,Changsha410083,China [3]DepartmentofAppliedPhysics,HunanUniversity,Changsha410082,China |
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| 摘 要： | To modify the shape difference between the spherical vacancy and the realistic vacancy, a shape factor is introduced into Brooks’ vacancy model. It is shown that the modified model is more efficient in predicting the vacancy volume of metals than the original one, and the calculated vacancy volumes of 17 metals by the modified model agree with the values reported in literatures. Furthermore, the present results show that the vacancy shape may contribute 2%-9% to the whole vacancy volume.
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| 关 键 词： | 晶格空位体积 形状效应 金属组织 修正模型 |
CALCULATION OF THE VACANCY VOLUME OF METALS BY MODIFIED BROOKS＇ MODEL |
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| W.H.Qi. CALCULATION OF THE VACANCY VOLUME OF METALS BY MODIFIED BROOKS＇ MODEL[J]. Acta Metallurgica Sinica(English Letters), 2004, 17(6): 888-893 |
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| Authors: | W.H.Qi |
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| Affiliation: | School of Materials Science and Engineering,Jiangsu University,Zhenjiang212013,China |
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| Abstract: | To modify the shape difference between the spherical vacancy and the realistic vacancy, a shape factor is introduced into Brooks’ vacancy model. It is shown that the modified model is more efficient in predicting the vacancy volume of metals than the original one, and the calculated vacancy volumes of 17 metals by the modified model agree with the values reported in literatures. Furthermore, the present results show that the vacancy shape may contribute 2% to the whole vacancy volume. |
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| Keywords: | vacancy volume shape effect metals |
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