| �ȴ����3.5Ni�ֵ������Ե����� |
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| 引用本文： | 李建华,习天辉,陈晓. �ȴ����3.5Ni�ֵ������Ե�����[J]. 物理测试, 2008, 26(6): 9-0 |
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| 作者姓名： | 李建华 习天辉 陈晓 |
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| 作者单位： | 1.�人�Ƽ���ѧ������ �人 430081��2.����о�Ժ������ �人 430080 |
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| 摘 要： | 介绍了3.5Ni低温钢的热处理工艺对力学性能和微观组织结构影响的试验内容，结果表明，热轧状态的35Ni低温钢进行热处理，可以进一步细化晶粒和调整组织，提高综合力学性能。850 ℃正火及850 ℃正火+600 ℃回火处理均可以得到比较理想的低温韧性。
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| 关 键 词： | 3��5Ni�� �ȴ��� �������� |
| 收稿时间： | 1900-01-01; |
Effect of Heat Treatment on Low-temperature Toughness of 3. 5Ni Steel |
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| LI Jian-hua,XI Tian-hui,CHEN Xiao. Effect of Heat Treatment on Low-temperature Toughness of 3. 5Ni Steel[J]. Physics Examination and Testing, 2008, 26(6): 9-0 |
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| Authors: | LI Jian-hua XI Tian-hui CHEN Xiao |
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| Affiliation: | 1.Wuhan University of Science and Technology, Wuhan 430081, Hubei,China; 2.Research and Development Center of Wuhan Iron and Steel (Group) Corp, Wuhan 430080, Hubei,China |
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| Abstract: | Abstract: The effect of heat treatment process on mechanical performance and microstructure of 3.5Ni low temperature steel was introduced in this paper. The result shows that the heat treatment of rolled 35Ni low temperature steel can improve the mechanical performance by fining grain size and adjusting microstructure. Excellent low temperature toughness can be gained by 850 ℃ normalized or 850 ℃ normalizing followed by 600 ℃ tempering. |
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| Keywords: | 3.5Ni steel heat treatment low temperature toughness |
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