| 微Sn元素对灰铸铁残余应力的影响 |
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| 引用本文： | 苏广才,庞祖高,汤宏群,韦文香.微Sn元素对灰铸铁残余应力的影响[J].现代铸铁,2006,26(3):40-42. |
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| 作者姓名： | 苏广才 庞祖高 汤宏群 韦文香 |
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| 作者单位： | 广西大学,机械工程学院,广西,南宁,530004 |
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| 基金项目： | 广西大学校科研和教改项目 |
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| 摘 要： | 研究了锡元素在微合金灰铸铁中的行为，揭示了其影响铸件残余应力的机理。实验结果表明，含锡微合金灰铸铁不仅可以使铸件力学性能最佳，稳定在HT250水平以上，满足缸体生产的要求，而且通过配合采取其他工艺措施，还可以降低铸件残余应力，与HT250灰铸铁相比，降幅可达24．6％。
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| 关 键 词： | 微合金灰铸铁 残余应力 缸体铸件 |
| 文章编号： | 1003-8345(2006)03-0040-03 |
| 收稿时间： | 2006-01-08 |
| 修稿时间： | 2006年1月8日 |
An Approach to Residual Stress of Gray Iron with Trace Content of Tin |
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| SU Guang-cai,PANG Zu-gao,TANG Hong-qun,WEI Wen-xiang.An Approach to Residual Stress of Gray Iron with Trace Content of Tin[J].Modern Cast Iron,2006,26(3):40-42. |
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| Authors: | SU Guang-cai PANG Zu-gao TANG Hong-qun WEI Wen-xiang |
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| Affiliation: | College of Mechanic Engineering, Guangxi University, Nanning 530004, China |
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| Abstract: | The behavior of trace tin in the gray iron was investigated, and the mechanism of the influence of tin on stress of castings was revealed. The experiment resuh showed that adding trace amount of tin could not only ensure the mechanical properties of castings to be kept higher than the level of HT250 grade, and also, by combining with some process measures, reduce the residual stress of castings by 24.6%, compared with non-alloyed gray iron. |
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| Keywords: | trace alloy-containing gray iron residual stress cylinder casting |
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