Effects of Aging Processes on the Dynamic Mechanical Response of 7B52 Laminated Aluminum Alloy

被引：1
作者：
Min, Fanlei [1 ]
Gao, Kunyuan [1 ]
Xiong, Xiangyuan [1 ]
Liu, Huiping [1 ]
Zhou, Dejing [2 ]
机构：
[1] Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
[2] Yinbang Clad Mat Co Ltd, Wuxi 214145, Peoples R China
来源：
TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS | 2024年 / 77卷 / 08期
关键词：
Laminated Aluminum Alloy; Aging Treatment; Dynamic Mechanical Response; Microstructure; Performance prediction; FRACTURE; BEHAVIOR; COMPOSITES;
D O I：
10.1007/s12666-024-03286-z
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The influence of aging treatments on the dynamic mechanical response of the 7B52 laminated alloy, and the correlation between the SHPB impact performance of 7xxx laminated aluminum alloy and its base alloys were investigated. Through adjustments the aging temperature and duration, alloys were obtained under underaged, peak-aged, and overaged conditions. Subsequently, Split Hopkinson Pressure Bar (SHPB) impact tests were conducted. The results indicate that the SHPB impact strength of the base alloy is higher in the peak-aged state compared to the under-aged and over-aged states. Additionally, as the aging temperature decreases, the alloy's impact toughness increases. The impact strength of laminated plates can be assessed by computing a linear weighted sum of the impact strength of individual alloys. The impact toughness of laminated aluminum alloys is notably influenced by the disparity in impact strength between 7A52 and 7A62 alloys. When the difference in impact strength between base alloys is small, the deformation of laminated plates is uniform, which can enhance the additional impact toughness of laminated aluminum alloys. Finally, an impact performance prediction formula for laminated plates is provided through linear fitting.
引用
收藏
页码：2043 / 2051
页数：9
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