| La对Al—Mg—Li合金组织和性能的影响 |
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| 引用本文： | 崔建忠,胡骏,马龙翔. La对Al—Mg—Li合金组织和性能的影响[J]. 材料研究学报, 1991, 5(2): 147-151 |
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| 作者姓名： | 崔建忠 胡骏 马龙翔 |
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| 作者单位： | 东北工学院(崔建忠，胡骏)，东北工学院(马龙翔) |
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| 摘 要： | Al-5Mg-2.4Li(01420)合金中加入稀土元素 La 后,峰值时效时间后移,合金强度增高,延伸率增加。微观组织观察表明:产生上述现象的原因是 La 细化了过渡族元素质点和 Al_2MgLi相,抑制了再结晶,使δ′相尺寸减小、PFZ 宽度减小、合金沿晶破断比例减小。
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| 关 键 词： | Al—Mg—Li合金 稀土La 力学性能 时效 |
| 收稿时间： | 1991-04-25 |
| 修稿时间： | 1991-04-25 |
EFFECTS OF La ON STRUCTURES AND PROPERTIES OF Al-Mg-Li ALLOY |
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| CUI Jianzhong HU Jun MA Longxiang. EFFECTS OF La ON STRUCTURES AND PROPERTIES OF Al-Mg-Li ALLOY[J]. Chinese Journal of Materials Research, 1991, 5(2): 147-151 |
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| Authors: | CUI Jianzhong HU Jun MA Longxiang |
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| Affiliation: | Northeast University of Technology |
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| Abstract: | The effects of La on structures and properties of Al-Mg-Li alloys were in-vestigated.Experiments results show:at peak aging condition,strength and elongation in-crease in the Al-5Mg-2.4Li alloy added by rare earth element La,which is resulted fromthe refi |
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| Keywords: | Al-Mg-Li alloy rare earth element La mechanical properties aging |
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