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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.10
- 수록면
- 2,483 - 2,497 (15page)
- DOI
- 10.1007/s12540-021-01130-3
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초록· 키워드
오류제보하기
A technology named as electrically assisted electromagnetic forming (EAEMF) was used to improve the plastic deformationability of 5052 aluminum alloy at room temperature. The ANSYS software is used to study the force and deformation ofworkpiece based on sequential coupling method. The simulation results show that the pulse current can increase the currentdensity, improve the uniformity of current distribution, and increase the forming height of the sample. The primary strainand secondary strain are increased by 53.8% and 27.4% respectively. Under the same deformation condition, the elongationof EAEMF sample increases by 160%, while the strength decreases slightly. From the perspective of microstructure evolution,the dislocation density of EAEMF sample is lower than that of EMF sample, and the pinning effect of the second phaseparticles on the dislocation is weakened. Under the action of the pulse current, the dislocations continue to move around thesecond phase particles with higher energy, and the dislocations appear directional arrangement.
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