| 弹簧钢夹杂物形态控制 |
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| 引用本文： | 李正邦,薛正良,张家雯.弹簧钢夹杂物形态控制[J].钢铁,1999,34(4):20-23. |
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| 作者姓名： | 李正邦 薛正良 张家雯 |
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| 作者单位： | 钢铁研究总院 |
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| 摘 要： | 分析了高应力条件下弹簧疲劳断裂的主要原因以及用稀土控制弹簧钢夹杂物形态的局限性。指出了ＭｎＯ－Ａｌ２Ｏ３－ＳｉＯ２或ＣａＯ－Ａｌ２Ｏ３－ＳｉＯ２三元塑性夹杂物的成分范围，并以６０Ｓｉ２ＣｒＶＡ为例确定之与相平衡的钢液脱氧条件，提出了相应的工艺措施。
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| 关 键 词： | 弹簧钢 夹杂物形态控制 脱氧控制 二次精炼 |
INCLUSION MODIFICATION IN SPRING STEEL PRODUCTION |
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| LI Zhengbang,XUE Zhengliang,ZHANG Jiawen.INCLUSION MODIFICATION IN SPRING STEEL PRODUCTION[J].Iron & Steel,1999,34(4):20-23. |
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| Authors: | LI Zhengbang XUE Zhengliang ZHANG Jiawen |
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| Affiliation: | Central Iron and Steel Research Institute |
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| Abstract: | The main reasons of fatigue broken of spring in the condition of higher stress and the limitation of using mish metal to control the form of inclusion in spring steel have been analysed.The composition range of ternary plastic inclusions in MnOAl2O3SiO2 and CaOAl2O3SiO2 system has been pointed out,the deoxidation conditions when steelinclusion reactions reached balance have been calculated related to the ternary plastic inclusions as an example of 60Si2CrVA,and the processing measures have been given. |
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| Keywords: | spring steel inclusion modification deoxidation control secondary refining |
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