| 硫酸镁对镁质浇注料性能的影响 |
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| 引用本文： | 贾江议,许荣辉. 硫酸镁对镁质浇注料性能的影响[J]. 河南冶金, 2012, 0(4): 9-11 |
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| 作者姓名： | 贾江议 许荣辉 |
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| 作者单位： | 河南科技大学;河南省有色金属材料科学与加工技术重点实验室 |
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| 摘 要： | 实验以镁砂为主要原料，以硫酸镁为结合剂，以二氧化硅为辅助结合剂。骨料颗粒临界尺寸为5mm，采用连续颗粒：5—3mm、3～1mm、1～0mm、〈0．074mm进行配比。保持二氧化硅微粉加入量3％，改变硫酸镁的加入量：1％、2％、3％、4％、5％。在110℃×24h、1100℃×3h和1550℃×3h烧成。研究和测试了试样的物理性能。结果表明：硫酸镁的合适加入量为3％～4％。
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| 关 键 词： | 镁质浇注料 硫酸镁 镁砂 二氧化硅微粉 |
INFLUENCE OF MAGNESIUM SULPHATE ON PROPERTIES OF MAGNESIA CASTABLE |
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| Jia Jiangyi,Xu Ronghui. INFLUENCE OF MAGNESIUM SULPHATE ON PROPERTIES OF MAGNESIA CASTABLE[J]. Henan Metallurgy, 2012, 0(4): 9-11 |
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| Authors: | Jia Jiangyi Xu Ronghui |
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| Affiliation: | 1.Henan University of Science and Technology;2.Henan Key Laboratory of Advanced Non-Ferrous Metals) |
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| Abstract: | In this experiment,magnesium is used as main raw materials,magnesium sulphate as the main binder,microsilica as the second binder.The greatest size of aggregate is 5mm,and the specimens are prepared by graduation: 5~3 mm,3~1 mm,1~0 mm and <0.074 mm.With the addition of microsilica 3%,we adjust the amount of MgSO4 as:1%,2%,3%,4%,5%.The samples are sintered at 110 ℃for 24 hours,1100 ℃for 3 hours and 1550 ℃for 3 hours.We investigated and tested properties of the samples.The experiment shows that the appropriate addition of microsilica is 3%~4%. |
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| Keywords: | magnesia castable magnesium sulphate magnesia microsilica |
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