| 热形变方法与Fe_3Al基合金的组织及性能关系（Ⅰ） |
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| 引用本文： | 余兴泉,孙扬善.热形变方法与Fe_3Al基合金的组织及性能关系（Ⅰ）[J].兵器材料科学与工程,1996,19(3):8-14. |
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| 作者姓名： | 余兴泉 孙扬善 |
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| 作者单位： | 东南大学，东南大学材料系 |
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| 摘 要： | 采用热轧、热锻和热挤压三种方法对铸态Ｆｅ_３Ａｌ基合金进行开坯，发现开坯后Ｆｅ_３Ａｌ铸态组织中粗大柱状晶被破碎，晶界网状析出物消除；热锻和热挤压后坯料晶粒大小分布均匀，而热轧后晶粒大小不一，三种方法开坯后坯料经相同的工艺轧制成板材，在室温下对板材性能进行测试，结果表明以挤压开坯方法最佳而热轧开坯最差。
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| 关 键 词： | Fe_3Al基合金，热形变方法，显微组织，力学性能 |
RELATIONSHIP BETWEEN HOT-DEFORMATION METHODS AND MICROSTRUCTURE OR PROPERTIES OF Fe_3Al-BASED ALLOY(Ⅰ) |
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| Yu Xingquan.RELATIONSHIP BETWEEN HOT-DEFORMATION METHODS AND MICROSTRUCTURE OR PROPERTIES OF Fe_3Al-BASED ALLOY(Ⅰ)[J].Ordnance Material Science and Engineering,1996,19(3):8-14. |
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| Authors: | Yu Xingquan |
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| Affiliation: | Yu Xingquan,Department of Materials Science and Engineering,Southeast University,Nanjing 210096 Sun Yangshan,Mei Jiangping |
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| Abstract: | The cast Fe_3 Al-based alloys were cogged by hot-rolling,forging and extruding.It was found that the coarse columnar grain of Fe_3Al cast structure had been broken and grain boundary network precipitates were dissolved after cogging,The grain size of blank dispersed uniformly,but only after forging or extruding and not after hot-rolling,After cogging the blank was rolled by the same technological process.The tensile properties of sheet were the best by extruding cogging and the worst by hotrolling cogging. |
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| Keywords: | s: Fe_3Al based alloy hot-deformation methods microstructure tensile properties |
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