| 2024铝合金的一种新时效制度 |
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| 引用本文： | 田秀云,杜洪增,王毅,冯冬云. 2024铝合金的一种新时效制度[J]. 材料科学与工艺, 2000, 8(3): 6-11 |
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| 作者姓名： | 田秀云 杜洪增 王毅 冯冬云 |
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| 作者单位： | 1. 中国民用航空学院,机电系,天津,300300
2. 北京飞机维修工程有限公司,北京,100621 |
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| 基金项目： | 民航总局重点科研项目! (总局科发 [1997] -15 0号 ) |
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| 摘 要： | 通过对２０２４铝合金在不同时效制度下硬度和导电率的测试及统计分析，提出了用于替代室温下自然时效的一种新时效制度，对两种时效制度下的２０２４铝合金进行了拉伸、疲劳、腐蚀、疲劳裂主展速率和扩展寿命的对比试验及统计分析，证明两种时效下的材料机械性能无显著差异，新时效制度的２０２４铝全金完全满足适航要求，这 新时效制度可大在缩短飞机结构停场修理时间，给飞机维修公司和航空公司带来较高的经济效益。
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| 关 键 词： | 时效制度 导电率 硬度 2024铝合金 |
New aging process for aluminum alloy 2024 |
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| TIAN Xiu-yun,DU Hong-zeng,WANG Yi,FENG Dong-yun. New aging process for aluminum alloy 2024[J]. Materials Science and Technology, 2000, 8(3): 6-11 |
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| Authors: | TIAN Xiu-yun DU Hong-zeng WANG Yi FENG Dong-yun |
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| Affiliation: | TIAN Xiu yun 1,DU Hong zeng 1,WANG Yi 2,FENG Dong yun 2 |
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| Abstract: | Presents a new aging process for aluminum alloy 2024 verified through several experimental and statistical analysis on the hardness and electric conductivity of the aluminum and designed to replace natural aging process at room temperature and concludes that there is no observable mechanical differences, such as tension, fatigue, corrosion, fatigue crack growth rate and growth lives of aluminum alloy 2024 treated through different aging processes, and aluminum alloy 2024 treated through the new aging process satifies the airworthiness requirements, it shortens the repairs time of aircraft structures. |
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| Keywords: | aging process electric conductivity hardness fatigue performance fracture performance corrosion resistant performance |
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