| 型砂的高温变形及破坏方式 |
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| 引用本文： | 李英民 于震宗. 型砂的高温变形及破坏方式[J]. 沈阳工业大学学报, 1992, 14(1): 1-9 |
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| 作者姓名： | 李英民 于震宗 |
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| 作者单位： | 沈阳工业大学金属材料工程系(李英民)，清华大学(于震宗)，清华大学(林家骝) |
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| 摘 要： | 采用控制应变速率的方法测试了不同型砂高温下的破坏方式,从而获得了型砂全程应力-应变曲线;根据其应力-应变曲线,分析归纳了塑性及脆性材料高温下的蠕变模型及在生产中的应用。
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| 关 键 词： | 蠕变 型砂 高温 变形 破坏方式 |
High Temperature Deformation and Failure of Moulding Sands |
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| Li Yingmin. High Temperature Deformation and Failure of Moulding Sands[J]. Journal of Shenyang University of Technology, 1992, 14(1): 1-9 |
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| Authors: | Li Yingmin |
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| Abstract: | Method of controlled strain rate was used to measure failure of various moulding sands at elevated temperature, and all curves of stress-strain of moulding sands are obtained. The creep modes for plastic and brittle meterials at elevated temperature have been analysed according to the curves of stress-strain. |
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| Keywords: | stress-strain relations curve creep moulding sand corundum chrome refractories |
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