| 航空用2A12铝合金大断面型材生产工艺研究 |
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| 引用本文： | 刘静安.航空用2A12铝合金大断面型材生产工艺研究[J].轻合金加工技术,1998,26(10):33-38. |
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| 作者姓名： | 刘静安 |
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| 作者单位： | 西南铝加工厂 |
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| 摘 要： | 对航空用２Ａ１２铝合金大断面特种型材的合金状态、制坯工艺、挤压、热处理及精整矫直工艺等进行了全面的研究，特别是对提高Ｔ４状态该种型材的三向力学性能及改善其组织，减小粗晶环缺陷深度作了深入的分析。提出了保证产品质量的优化工艺。
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| 关 键 词： | 2A12铝合金 T4状态 大断面型材 挤压工艺 热处理 力学性能 粗晶环 |
Study for Producing Process of 2A12 Aluminum Alloy Large Cross-section Profiles Used in Aircrafts |
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| Abstract: | The temper and producing process of 2A12 aluminum alloy large cross-section profiles used in aircrafts are fully studied.Especially,the means for increasing three orientation mechanical properties of T4 temper profiles and improving microstructures of T4 temper profiles and decreasing depth of coarse grain rings in profiles are fully analyzed.The optimization processes are presented. |
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| Keywords: | A12 aluminum alloy T4 temper large cross-section profile extrusion process heat treatment mechanical property coarse grain ring |
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