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type and fraction are highly dependent on the composition of Al-Li alloy, mainly Cu and Li concentrations and their ratio [6-8]. Due to the difference in crystal structure and the interface relation...Trans. Nonferrous Met. Soc. China 29(2019) 15-24 Distribution and evolution of aging precipitates in Al-Cu-Li alloy with high Li concentration Jin-feng LI1,2,3, Jia-lei HUANG1, Dan-yang LIU1, Yong......
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Process,Microstructure and Properties of the RS-P/M Al-Li Alloy匡建平,袁冠森,朱晓东,刘援,赵卓雍,张少明摘 要:<正> The Al-Li powder was prepared by argon atomization.The compact Al-Li powder was canned into analuminum container and degassed in vacuum and extruded into a bar at 400℃.The effect of extrusion ratioon the metallurgical consolidation of the powder has been......
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] Fig.1 Microstructure modelling of the third generation Al-Li alloy[8] 图2 第3代铝锂合金(2099)中几种主要强化相的TEM形貌[9] Fig.2 Main strengthening precipitates in 2099 Al-Li alloy[9]: (a) dark... elements and the co-clustering sequence. Key words: Al-Li alloy; alloying; microstructure; aging hardening; precipitation 新型铝锂合金由于具有密度低,弹性模量高,比强度高和比刚度高,疲劳裂纹扩展速率低和高,低温性能较好等特点,在航空航天领域得到广泛应用.目前,尽管面临复合材料的竞......
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.,Baotou 014030, China) Abstract:In order to further reduce the cost of AB5 type rare earth-based hydrogen storage alloy, a low-Co AB5 type hydrogen storage alloy were by substituting Co with Cu... with the decrease of Co.By the order way, the high discharge rate characteristics rise with the addition of Cu and decreasing of Co. Key words:Cu and Fe; low-Co; AB5 type hydrogen storage alloy; electrochemical......
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