鋼液非均質形核觸媒效用的點陣錯配度理論

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鋼液非均質形核觸媒效用的點陣錯配度理論

潘寧, 宋波, 翟啟杰, 文彬

文章導航 > 工程科學學報 > 2010 > 32(2): 179-182,190

潘寧, 宋波, 翟啟杰, 文彬. 鋼液非均質形核觸媒效用的點陣錯配度理論[J]. 工程科學學報, 2010, 32(2): 179-182,190. doi: 10.13374/j.issn1001-053x.2010.02.020

引用本文:

潘寧, 宋波, 翟啟杰, 文彬. 鋼液非均質形核觸媒效用的點陣錯配度理論[J]. 工程科學學報, 2010, 32(2): 179-182,190. doi: 10.13374/j.issn1001-053x.2010.02.020

PAN Ning, SONG Bo, ZHAI Qi-jie, WEN Bin. Effect of lattice disregistry on the heterogeneous nucleation catalysis of liquid steel[J]. Chinese Journal of Engineering, 2010, 32(2): 179-182,190. doi: 10.13374/j.issn1001-053x.2010.02.020

Citation:

PAN Ning, SONG Bo, ZHAI Qi-jie, WEN Bin. Effect of lattice disregistry on the heterogeneous nucleation catalysis of liquid steel[J]. Chinese Journal of Engineering, 2010, 32(2): 179-182,190. doi: 10.13374/j.issn1001-053x.2010.02.020

潘寧, 宋波, 翟啟杰, 文彬. 鋼液非均質形核觸媒效用的點陣錯配度理論[J]. 工程科學學報, 2010, 32(2): 179-182,190. doi: 10.13374/j.issn1001-053x.2010.02.020

引用本文:

潘寧, 宋波, 翟啟杰, 文彬. 鋼液非均質形核觸媒效用的點陣錯配度理論[J]. 工程科學學報, 2010, 32(2): 179-182,190. doi: 10.13374/j.issn1001-053x.2010.02.020

PAN Ning, SONG Bo, ZHAI Qi-jie, WEN Bin. Effect of lattice disregistry on the heterogeneous nucleation catalysis of liquid steel[J]. Chinese Journal of Engineering, 2010, 32(2): 179-182,190. doi: 10.13374/j.issn1001-053x.2010.02.020

Citation:

PAN Ning, SONG Bo, ZHAI Qi-jie, WEN Bin. Effect of lattice disregistry on the heterogeneous nucleation catalysis of liquid steel[J]. Chinese Journal of Engineering, 2010, 32(2): 179-182,190. doi: 10.13374/j.issn1001-053x.2010.02.020

鋼液非均質形核觸媒效用的點陣錯配度理論

doi: 10.13374/j.issn1001-053x.2010.02.020

1. 北京科技大學冶金與生態工程學院, 北京 100083;
2. 上海大學材料科學與工程學院, 上海 200072

基金項目:

國家自然科學基金資助項目（No.50734008）

作者簡介:
潘寧(1980-),男,博士研究生;宋波(1963-),男,教授,博士生導師,E-mail:songbo@metall.ustb.edu.cn

中圖分類號: TG111.4
計量
- 文章訪問數: 298
- HTML全文瀏覽量: 67
- PDF下載量: 35
- 被引次數: 0
出版歷程
- 收稿日期: 2009-05-31

Effect of lattice disregistry on the heterogeneous nucleation catalysis of liquid steel

1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China;
2. School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China

摘要: 對鋼液凝固溫度下各種化合物基底與鋼液凝固形核相(δ-Fe和γ-Fe)的二維錯配度進行了計算,并對點陣錯配度與鋼液非均質形核觸媒效用的關系進行了分析和討論.結果表明:基底與形核相的錯配度δ越小,越有利于非均質形核.凝固過冷度的對數與基底和形核相的二維錯配度近似呈線性關系.基底與形核相的錯配度δ<8%,非均質形核效用顯著.
- 鋼液 /
- 非均質形核 /
- 錯配度 /
- 過冷度
Abstract: Planar disregistries between various substrates and nucleated phases during liquid steel solidification were calculated. The relation between lattice disregistry and heterogeneous nucleation catalysis of liquid steel was analyzed. The results show that the smaller the disregistry is, the more effective the substrate is for promoting nucleation. The logarithm of undercooling is approximately linear with the disregistry between the substrate and the nucleated phase. A substrate is presumed as the highly effective nucleus for promoting nucleation if the disregistry between the substrate and the nucleated phase is lower than 8%.
- liquid steel /
- heterogeneous nucleation /
- disregistry /
- undercooling

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文章訪問數: 298
HTML全文瀏覽量: 67
PDF下載量: 35
被引次數: 0

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