| 氮在液态铁合金中溶解度的影响因素 |
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| 引用本文： | 卢永,张士岩.氮在液态铁合金中溶解度的影响因素[J].铁合金,2005,36(5):16-18. |
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| 作者姓名： | 卢永 张士岩 |
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| 作者单位： | [1]邯郸钢铁集团有限责任公司,邯郸中国056015 [2]上海大学材料研究所,上海中国200072 |
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| 摘 要： | 由于高氮钢特殊的优异综合性能，使其在许多领域得到了应用。本文从压力、合金成分、温度三方面研究了影响氮在液态铁合金中溶解度的热力学因素。发现在设计了合适的合金钢成分后，增大系统的氮气分压可以明显地提高氮的溶解度，同时提出了利用铬当量法预测铁合金中氮溶解度的理论方法，从而为我国高氮钢的大规模生产提供理论依据。
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| 关 键 词： | 高氮钢 氮溶解度 热力学 氮 液态铁合金 溶解度 |
| 文章编号： | 1001-1943(2005)05-0016-03 |
| 收稿时间： | 2004-12-27 |
| 修稿时间： | 2004年12月27 |
FACTORS AFFECTING NITROGEN SOLUBILITY IN MOLTEN FERROALLOYS |
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| Lu Yong, Zhang Shiyan.FACTORS AFFECTING NITROGEN SOLUBILITY IN MOLTEN FERROALLOYS[J].Ferro-alloys,2005,36(5):16-18. |
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| Authors: | Lu Yong Zhang Shiyan |
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| Affiliation: | 1. Handan Iron and Steel Group Co., Ltd., Handan, China 056015;2. Institute of Materials, Shanghai University, Shanghai, China 200072 |
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| Abstract: | High nitrogen steel is widely utilized in many fields because of its comprehensive properties. So it studies the thermodynamics factors including pressure, composition and temperature which affect nitrogen solubility in molten ferroalloys. It shows nitrogen pressure can obviously promote solubility when alloy steel composition is designed correctly. Additionally it points out that nitrogen solubility can be predicted by chromium equivalent theory. It provides an important theoretical guide for producing high nitrogen steel on a large scale. |
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| Keywords: | high nitrogen steel nitrogen solubility thermodynamics |
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