| 金属间化合物Ni3Al点缺陷的理论计算 |
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| 引用本文： | 孙坚,林栋梁.金属间化合物Ni3Al点缺陷的理论计算[J].金属学报,1993,29(4):25-29. |
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| 作者姓名： | 孙坚 林栋梁 |
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| 作者单位： | 上海交通大学 教授(孙坚),上海交通大学材料科学系 上海(林栋梁) |
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| 摘 要： | 本文建立起Ll_2型金属间化合物点缺陷的平衡方程,计算了Ni_3Al中反位置缺陷、空位的浓度分布并通过考察点缺陷的温度效应,在理论上澄清了对Ni_3Al中“组分点缺陷”性质的认识
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| 关 键 词： | Ni3Al 空位 反位置缺陷 金属互化物 |
| 收稿时间： | 1993-04-18 |
| 修稿时间： | 1993-04-18 |
THEORETICAL CALCULATION OF POINT DEFECTS IN Ni_3Al |
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| SUN Jian,LIN Dongliang Shanghai Jiaotong University professor.THEORETICAL CALCULATION OF POINT DEFECTS IN Ni_3Al[J].Acta Metallurgica Sinica,1993,29(4):25-29. |
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| Authors: | SUN Jian LIN Dongliang Shanghai Jiaotong University professor |
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| Affiliation: | SUN Jian,LIN Dongliang Shanghai Jiaotong University professor,Department of Materials Science,Shanghai Jiaotong University,Shanghai |
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| Abstract: | Equilibrium equation of point defects in Ll_2 type intermetallic compoundswas established to calculate the relations of the concentration of antisite defects and vacanciesand bulk composition in Ni_3Al. The examination of temperature effects on the point defectscleared up the misunderstanding of the properties of the "constitutional point defects" inNi_3Al. |
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| Keywords: | intermetallic compound Ni_3Al vacancy antisite defect |
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