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| RELATIONSHIP BETWEEN METASTABLE EXTENSION OF SOLID SOLUBITY OF EUTECTIC SYSTEMS AND PHASE DIAGRAM | |
| 引用本文： | NING Yuantao Institute of Precious Metals,Kunming,China Associate Professor,Institute of Precious Metals,Kunming,Yunnan,China. RELATIONSHIP BETWEEN METASTABLE EXTENSION OF SOLID SOLUBITY OF EUTECTIC SYSTEMS AND PHASE DIAGRAM[J]. 金属学报(英文版), 1989, 2(7): 8-12 |
| 作者姓名： | NING Yuantao Institute of Precious Metals Kunming China Associate Professor Institute of Precious Metals Kunming Yunnan China |
| 作者单位： | NING Yuantao Institute of Precious Metals，Kunming，China Associate Professor，Institute of Precious Metals，Kunming，Yunnan，China |
| 摘 要： | A criterion of the metastable extension of solid solubility was proposed.When the eutecticconcentration arm ratio parameter of an alloy,J>10,the hypereutectic extension and themetastable solid solubility limit beyond eutectic concentration may be obtained.When J≤10,the hypoeutectic extension may be obtained.The extension parameter,C_(eq)~s/C_(cu),is directlyproportional to the parameter J.Thus,it seems easy to predict the tendency of the solid solu-hility extension under rapid solidification on the basis of the eutectic phase diagram. |
| 收稿时间： | 1989-07-11 |
| 修稿时间： | 1989-07-11 |
RELATIONSHIP BETWEEN METASTABLE EXTENSION OF SOLID SOLUBITY OF EUTECTIC SYSTEMS AND PHASE DIAGRAM |
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| NING Yuantao Institute of Precious Metals,Kunming,China Associate Professor. RELATIONSHIP BETWEEN METASTABLE EXTENSION OF SOLID SOLUBITY OF EUTECTIC SYSTEMS AND PHASE DIAGRAM[J]. Acta Metallurgica Sinica(English Letters), 1989, 2(7): 8-12 | |
| Authors: | NING Yuantao Institute of Precious Metals Kunming China Associate Professor |
| Affiliation: | NING Yuantao Institute of Precious Metals,Kunming,China Associate Professor,Institute of Precious Metals,Kunming,Yunnan,China |
| Abstract: | A criterion of the metastable extension of solid solubility was proposed.When the eutectic concentration arm ratio parameter of an alloy,J>10,the hypereutectic extension and the metastable solid solubility limit beyond eutectic concentration may be obtained.When J≤10, the hypoeutectic extension may be obtained.The extension parameter,C_(eq)~s/C_(cu),is directly proportional to the parameter J.Thus,it seems easy to predict the tendency of the solid solu- hility extension under rapid solidification on the basis of the eutectic phase diagram. |
| Keywords: | eutectic system solid solubility extension phase diagram |
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