鑄坯表面孔類缺陷軋制過程中演變規律

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鑄坯表面孔類缺陷軋制過程中演變規律

茅曉慧, 張江山, 楊樹峰

文章導航 > 工程科學學報 > 2014 > 36(S1): 10-14

茅曉慧, 張江山, 楊樹峰. 鑄坯表面孔類缺陷軋制過程中演變規律[J]. 工程科學學報, 2014, 36(S1): 10-14. doi: 10.13374/j.issn1001-053x.2014.s1.003

引用本文:

茅曉慧, 張江山, 楊樹峰. 鑄坯表面孔類缺陷軋制過程中演變規律[J]. 工程科學學報, 2014, 36(S1): 10-14. doi: 10.13374/j.issn1001-053x.2014.s1.003

MAO Xiao-hui, ZHANG Jiang-shan, YANG Shu-feng. Evolution of surface porosity in round steel hot rolling[J]. Chinese Journal of Engineering, 2014, 36(S1): 10-14. doi: 10.13374/j.issn1001-053x.2014.s1.003

Citation:

MAO Xiao-hui, ZHANG Jiang-shan, YANG Shu-feng. Evolution of surface porosity in round steel hot rolling[J]. Chinese Journal of Engineering, 2014, 36(S1): 10-14. doi: 10.13374/j.issn1001-053x.2014.s1.003

茅曉慧, 張江山, 楊樹峰. 鑄坯表面孔類缺陷軋制過程中演變規律[J]. 工程科學學報, 2014, 36(S1): 10-14. doi: 10.13374/j.issn1001-053x.2014.s1.003

引用本文:

茅曉慧, 張江山, 楊樹峰. 鑄坯表面孔類缺陷軋制過程中演變規律[J]. 工程科學學報, 2014, 36(S1): 10-14. doi: 10.13374/j.issn1001-053x.2014.s1.003

MAO Xiao-hui, ZHANG Jiang-shan, YANG Shu-feng. Evolution of surface porosity in round steel hot rolling[J]. Chinese Journal of Engineering, 2014, 36(S1): 10-14. doi: 10.13374/j.issn1001-053x.2014.s1.003

Citation:

MAO Xiao-hui, ZHANG Jiang-shan, YANG Shu-feng. Evolution of surface porosity in round steel hot rolling[J]. Chinese Journal of Engineering, 2014, 36(S1): 10-14. doi: 10.13374/j.issn1001-053x.2014.s1.003

鑄坯表面孔類缺陷軋制過程中演變規律

doi: 10.13374/j.issn1001-053x.2014.s1.003

茅曉慧^1,2,
張江山^1,2,
楊樹峰^1,2, ,

1. 北京科技大學冶金與生態工程學院, 北京 100083;
2. 北京科技大學鋼鐵冶金新技術國家重點實驗室, 北京 100083

基金項目:

中央高校基本科研業務費資助項目（FRF-TP-13-004A）

通訊作者:
楊樹峰,E-mail:yangshufeng@ustb.edu.cn

中圖分類號: TG335.6
計量
- 文章訪問數: 268
- HTML全文瀏覽量: 109
- PDF下載量: 17
- 被引次數: 0
出版歷程
- 收稿日期: 2013-11-18
- 網絡出版日期: 2021-07-19

Evolution of surface porosity in round steel hot rolling

1. School of metallurgical and ecological engineering, University of Science and Technology Beijing, Beijing 100083, China;
2. State key laboratory of advanced metallurgy, University of Science and Technology Beijing, Beijing 100083, China

摘要: 對圓鋼軋制過程中鑄坯表面孔類缺陷演變規律進行了工業實驗研究.實驗中采用鉆孔法在鑄坯頭部鉆取一定直徑和深度的孔的方法來模擬鑄坯表面氣孔缺陷.鉆孔鑄坯經軋制后在圓鋼的對應位置發現了呈平行分布的表面直線型裂紋，裂紋處的金相組織發現裂紋四周有輕微的脫碳現象.裂紋測量結果表明，圓鋼表面直線型裂紋深度主要受鉆孔深度影響，當鉆孔深度大于4mm時，會導致深度明顯的裂紋.裂紋長度主要受鉆孔直徑影響，對于孔徑在1.0~2.5mm的孔，形成的裂紋長度大都分布在2~8cm之間.
- 鋼坯 /
- 熱軋 /
- 表面缺陷 /
- 多孔性 /
- 裂紋 /
- 鉆孔實驗
Abstract: An industrial experiment was carried out to study the evolution of billet surface porosity in hot rolling of round steel.Holes were drilled at the head of a billet. Linear cracks were spot at the surface of rolled round steel in parallel. Slight decarburization appears around these cracks,which can be seen from the metallograph. Crack measurement results show that the crack depth is mainly influenced by the hole depth. When the hole depth exceeds 4 mm,serious cracks will be generated on the round steel. The crack length is mainly dependent on the hole diameter. When the hole diameter ranges from 1 to 2.5 mm,the crack length limits to 2 to 8 cm.
- steel billets /
- hot rolling /
- surface defects /
- porosity /
- cracks /
- drilling experiment

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計量

文章訪問數: 268
HTML全文瀏覽量: 109
PDF下載量: 17
被引次數: 0

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