鐵液非均質形核的熱力學研究

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鐵液非均質形核的熱力學研究

黃誠, 宋波, 毛璟紅, 趙沛

文章導航 > 工程科學學報 > 2003 > 25(2): 127-130

黃誠, 宋波, 毛璟紅, 趙沛. 鐵液非均質形核的熱力學研究[J]. 工程科學學報, 2003, 25(2): 127-130. doi: 10.13374/j.issn1001-053x.2003.02.007

引用本文:

黃誠, 宋波, 毛璟紅, 趙沛. 鐵液非均質形核的熱力學研究[J]. 工程科學學報, 2003, 25(2): 127-130. doi: 10.13374/j.issn1001-053x.2003.02.007

HUANG Cheng, SONG Bo, MAO Jinghong, ZHAO Pei. Thermodynamics of Heterogeneous Nucleation of Liquid Iron in Solidification[J]. Chinese Journal of Engineering, 2003, 25(2): 127-130. doi: 10.13374/j.issn1001-053x.2003.02.007

Citation:

HUANG Cheng, SONG Bo, MAO Jinghong, ZHAO Pei. Thermodynamics of Heterogeneous Nucleation of Liquid Iron in Solidification[J]. Chinese Journal of Engineering, 2003, 25(2): 127-130. doi: 10.13374/j.issn1001-053x.2003.02.007

黃誠, 宋波, 毛璟紅, 趙沛. 鐵液非均質形核的熱力學研究[J]. 工程科學學報, 2003, 25(2): 127-130. doi: 10.13374/j.issn1001-053x.2003.02.007

引用本文:

黃誠, 宋波, 毛璟紅, 趙沛. 鐵液非均質形核的熱力學研究[J]. 工程科學學報, 2003, 25(2): 127-130. doi: 10.13374/j.issn1001-053x.2003.02.007

HUANG Cheng, SONG Bo, MAO Jinghong, ZHAO Pei. Thermodynamics of Heterogeneous Nucleation of Liquid Iron in Solidification[J]. Chinese Journal of Engineering, 2003, 25(2): 127-130. doi: 10.13374/j.issn1001-053x.2003.02.007

Citation:

HUANG Cheng, SONG Bo, MAO Jinghong, ZHAO Pei. Thermodynamics of Heterogeneous Nucleation of Liquid Iron in Solidification[J]. Chinese Journal of Engineering, 2003, 25(2): 127-130. doi: 10.13374/j.issn1001-053x.2003.02.007

鐵液非均質形核的熱力學研究

doi: 10.13374/j.issn1001-053x.2003.02.007

1. 北京科技大學冶金學院, 北京 100083;
2. 北京科技大學材料科學與工程學院, 北京 100083;
3. 鋼鐵研究總院, 北京 100081

基金項目:

國家“973”專題研究項目（No.J1998061511-2）

作者簡介:
黃誠男,34歲,博士研究生

中圖分類號: TF01;TG111.4
計量
- 文章訪問數: 156
- HTML全文瀏覽量: 53
- PDF下載量: 8
- 被引次數: 0
出版歷程
- 收稿日期: 2002-05-23
- 網絡出版日期: 2021-08-17

Thermodynamics of Heterogeneous Nucleation of Liquid Iron in Solidification

1. Metallurgy School, University of Science and Technology Beijing, Beijing 100083, China;
2. Material Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China;
3. Central Iron and Steel Research Institute, Beijing 100081, China

摘要: 利用電解純鐵,通過高溫鉬絲爐制備了含有不同種類、不同含量異質核心的試樣.利用差熱分析方法測定了試樣在相同冷卻速度條件下的過冷度.從理論上比較了鐵液凝固熱力學驅動力的不同計算方法及誤差,計算了鐵液在凝固過程中的熱力學驅動力,形核功和臨界晶核半徑.
- 純鐵 /
- 形核功 /
- 臨界半徑 /
- 過冷度
Abstract: By using of electrolytic pure iron, the specimen containing different heterogeneous nucleus and contents were made in an Mo wire furnace. The DTA method was employed to measure the undercooling of liquid iron during solidification. Equations to calculate the change of Gibbs free energy of solid and liquid iron in solidification were reviewed theoretically. Calculations were performed to obtain Gibbs free energy difference between solid and liquid, critical radius of nucleus and the activation energy in solidification.
- pure iron /
- activation energy /
- critical radius /
- undercooling

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計量

文章訪問數: 156
HTML全文瀏覽量: 53
PDF下載量: 8
被引次數: 0

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