李承基, 陆丰, 曹凤豫, 张永祥, 陈永刚. 微钙高硬高韧结构钢的研究[J]. 工程科学学报, 1993, 15(1): 38-42. DOI: 10.13374/j.issn1001-053x.1993.01.007
引用本文: 李承基, 陆丰, 曹凤豫, 张永祥, 陈永刚. 微钙高硬高韧结构钢的研究[J]. 工程科学学报, 1993, 15(1): 38-42. DOI: 10.13374/j.issn1001-053x.1993.01.007
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Li Chengji, Lu Feng, Cao Fengyu, Zhang Yongxiang, Chen Yonggang. An Investigation of Macro-Calcium Steel with High-Hardness and High-Toughness[J]. Chinese Journal of Engineering, 1993, 15(1): 38-42. DOI: 10.13374/j.issn1001-053x.1993.01.007
Citation: Li Chengji, Lu Feng, Cao Fengyu, Zhang Yongxiang, Chen Yonggang. An Investigation of Macro-Calcium Steel with High-Hardness and High-Toughness[J]. Chinese Journal of Engineering, 1993, 15(1): 38-42. DOI: 10.13374/j.issn1001-053x.1993.01.007
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微钙高硬高韧结构钢的研究

An Investigation of Macro-Calcium Steel with High-Hardness and High-Toughness

    摘要
  • 摘要: 本文研究了一种新型的高硬度(HRC>58),高韧性(ak ≥ 40J/cm2)的结构钢的化学成分及热处理对冲击韧性的影响,实验结果表明,微量钙对改善钢在淬火-低温回火态的冲击韧性有重要作用,铬含量及铜/硅比对冲击韧性也有一定的影响。

     

    Abstract: The effects of chemical composition and heat-treatment on the impact toughness of a new type of micro-calcium steel with high-hardness (HRC> 58) and high-toughness (ak> 40J/cm2) have been investigated. The results show that the micro-calcium play an important role in the improving of impact toughness of quened-tempered steels. The impact toughness of steels were also controlled by the content of chromium and the ratio of copper/silicon in steels.

     

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