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Analysis of bulging process of aluminum alloy by overlapping sheet metal and its formability
Alternative TitleAnalysis of bulging process of aluminum alloy by overlapping sheet metal and its formability
Gao Tiejun1; Liu Yang1; Chen Peng1; Wang Zhongjin2
2015
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume25Issue:4Pages:1050-1055
AbstractThe influences of strength coefficient K, work hardening exponent n and thickness t of the overlapping sheet on bulging process are analyzed based on hardening material model. Also, bulging experiments are carried out by taking the aluminum alloy LF21 as formed sheet metal, and selecting overlapping sheet with different thicknesses and material properties, by which accuracy of the above analysis result is verified in the aspects of geometric shape, thickness distribution and limit bulging height. The results show that higher strength coefficient K, larger work hardening exponent n and proper thickness of the overlapping sheet are helpful to improve the formability and forming uniformity of formed sheet metal.
Other AbstractThe influences of strength coefficient K, work hardening exponent n and thickness t of the overlapping sheet on bulging process are analyzed based on hardening material model. Also, bulging experiments are carried out by taking the aluminum alloy LF21 as formed sheet metal, and selecting overlapping sheet with different thicknesses and material properties, by which accuracy of the above analysis result is verified in the aspects of geometric shape, thickness distribution and limit bulging height. The results show that higher strength coefficient K, larger work hardening exponent n and proper thickness of the overlapping sheet are helpful to improve the formability and forming uniformity of formed sheet metal.
KeywordPRESSURE overlapping sheet aluminum alloy bulging power hardening material formability
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Liaoning Provincial Committee of Education, China]
CSCD IDCSCD:5430018
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/144822
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.Harbin Institute Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
Recommended Citation
GB/T 7714
Gao Tiejun,Liu Yang,Chen Peng,et al. Analysis of bulging process of aluminum alloy by overlapping sheet metal and its formability[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2015,25(4):1050-1055.
APA Gao Tiejun,Liu Yang,Chen Peng,&Wang Zhongjin.(2015).Analysis of bulging process of aluminum alloy by overlapping sheet metal and its formability.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,25(4),1050-1055.
MLA Gao Tiejun,et al."Analysis of bulging process of aluminum alloy by overlapping sheet metal and its formability".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 25.4(2015):1050-1055.
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