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Viscous warm pressure bulging process of AZ31B magnesium alloy with different ellipticity dies
Alternative TitleViscous warm pressure bulging process of AZ31B magnesium alloy with different ellipticity dies
Gao Tiejun; Liu Qing; Zhang Wenzhuo
2017
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume27Issue:1Pages:157-162
AbstractBased on the bulging principle of different ellipticity dies, the methyl vinyl silicone rubber with excellent thermal stability and heat transfer performance was chosen as the viscous medium. The finite element analysis and experiments of viscous warm pressure bulging (VWPB) of AZ31B magnesium alloy were conducted to analyze the influence of different ellipticity dies on the formability of AZ31B magnesium alloy. At the same time, based on the grid strain rule, the forming limit diagram (FLD) of VWPB of AZ31B magnesium alloy was obtained through measuring the strain of bulging specimens. The results showed that at the temperature range of viscous medium thermal stability, the viscous medium can fit the geometry variation of sheet and generate non-uniform pressure field, and as the die ellipticity increases, the difference value of non-uniform pressure reduces. Meanwhile, according to the FLD, the relationship between part complexity and ultimate deformation was investigated.
Other AbstractBased on the bulging principle of different ellipticity dies, the methyl vinyl silicone rubber with excellent thermal stability and heat transfer performance was chosen as the viscous medium. The finite element analysis and experiments of viscous warm pressure bulging (VWPB) of AZ31B magnesium alloy were conducted to analyze the influence of different ellipticity dies on the formability of AZ31B magnesium alloy. At the same time, based on the grid strain rule, the forming limit diagram (FLD) of VWPB of AZ31B magnesium alloy was obtained through measuring the strain of bulging specimens. The results showed that at the temperature range of viscous medium thermal stability, the viscous medium can fit the geometry variation of sheet and generate non-uniform pressure field, and as the die ellipticity increases, the difference value of non-uniform pressure reduces. Meanwhile, according to the FLD, the relationship between part complexity and ultimate deformation was investigated.
KeywordSHEET-METAL ALUMINUM-ALLOY FORMABILITY LIMIT AZ31B magnesium alloy viscous warm pressure bulging formability different ellipticity dies forming limit diagram
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Natural Foundation of Liaoning Province, China]
CSCD IDCSCD:5941654
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/142604
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Gao Tiejun,Liu Qing,Zhang Wenzhuo. Viscous warm pressure bulging process of AZ31B magnesium alloy with different ellipticity dies[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2017,27(1):157-162.
APA Gao Tiejun,Liu Qing,&Zhang Wenzhuo.(2017).Viscous warm pressure bulging process of AZ31B magnesium alloy with different ellipticity dies.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,27(1),157-162.
MLA Gao Tiejun,et al."Viscous warm pressure bulging process of AZ31B magnesium alloy with different ellipticity dies".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 27.1(2017):157-162.
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