| 覆膜特种砂热膨胀性能的测试与研究 |
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| 引用本文： | 刘向东,王文清.覆膜特种砂热膨胀性能的测试与研究[J].铸造设备研究,1999(5):24-27. |
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| 作者姓名： | 刘向东 王文清 |
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| 作者单位： | 内蒙古工业大学(刘向东，肖柯则)，华中理工大学(王文清，戴绪绮，李远才) |
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| 摘 要： | 测定了覆膜种砂在激热条件下的膨胀值，并与相同条件下普通覆膜硅砂的膨胀值进行了对比。测试结果表明：两种覆膜砂的激热膨胀值差异较大。理论分析说明，覆膜砂的激热膨胀不仅受原砂种类的影响，而且还受粘结剂及其它附加物的影响。
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| 关 键 词： | 覆膜特种砂 覆膜硅砂 热膨胀 |
Measurement and Study of the Thermal Expansion of the Precoated Non silica Sand with the Precoated Silica Sand |
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| Liu Xiangdong,Xiao Keze.Measurement and Study of the Thermal Expansion of the Precoated Non silica Sand with the Precoated Silica Sand[J].Research Studies On Foundry Equipment,1999(5):24-27. |
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| Authors: | Liu Xiangdong Xiao Keze |
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| Abstract: | The thermal expansion values of the precoated non silica and have been measured and contrasted with them of the precoated silica sand on the same conditions.The results have shown that the difference between the thermal expansion values of the two types of precoated sand is very large.Not only the types of sand but also other additions have an effect on the thermal expansion values. |
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| Keywords: | precoated non silica sand precoated silica sand thermal expansion |
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