AA5052 failure prediction of electromagnetic flanging process using a combined fracture model

• Autorzy: Deng Huakun , Mao Yunfei , Li Guangyao , Zhang Xu , Cui Junjia

Identyfikatory

DOI

10.1007/s43452-022-00390-z

• Języki publikacji: EN

Abstrakty

EN

Electromagnetic forming process could significantly increase the forming limit of aluminum alloy. However, high-speed fracture prediction of aluminum alloys is a major problem in the development of electromagnetic flanging process. In this study, notched specimen tensile tests with high-speed Digital Image Correlation system were conducted under the strain rate range from 0.001 to 100 s-1. A fracture model of AA5052 alloys which combined of an uncoupled fracture model, Gissmo damage evolution model and Johnson-Cook strain rate effect was established. Electromagnetic flanging experiments were conducted to verify the failure criteria effectiveness. Results showed that failure strain was significantly influenced by strain rate under various loading path. Compared with the experiments, the percentage error of established electromagnetic flanging process FEM model was less than 4%. The fracture model established could well predict notched specimen high-speed failure, and also accurately predict sheet failure model of electromagnetic flanging experiments and, thus, verified the effectiveness of the established dynamic failure criteria in electromagnetic flanging process.

Słowa kluczowe

EN

AA5052; dynamic tensile; electromagnetic flanging; fracture model; stress triaxiality

PL

stop aluminium; rozciąganie dynamiczne; kołnierze elektromagnetyczne; pękanie; trójosiowość naprężeń

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2022
• Tom: Vol. 22, no. 2
• Strony: art. no. e84, 1--17
• Opis fizyczny: Bibliogr. 24 poz., il., tab., wykr.

Twórcy

autor

Deng Huakun

• College of Automobile and Mechanical Engineering, Changsha University of Science and Technology, Changsha, China

• https://orcid.org/0000-0002-6778-5821

autor

Mao Yunfei

• State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha, China

autor

Li Guangyao

• State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha, China

autor

Zhang Xu

• College of Automobile and Mechanical Engineering, Changsha University of Science and Technology, Changsha, China

autor

Cui Junjia

• State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)