Yu Wen, Jicai Liang, Songyue Yang, Yi Li, Ce Liang
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Effects of magnetorheological elastomer as inner support material on sectional distortion in aluminum profile bend-twist forming
Magnetorheological Elastomers (MREs) have garnered significant attention in auxiliary forming due to their controllable mechanical properties. This study designs and prepares several styrene-butadiene rubber (SBR) MREs containing carbonyl iron powders (CIPs). The effects of different particle contents and magnetic field strengths on the sectional distortion in rectangular aluminum profile bend-twist deformation are investigated through experiments and ABAQUS numerical simulations. The results indicate that CIPs content, CB/CNT content, and magnetic field strength significantly impact the magneto-mechanical properties of MREs. The optimal suppression of sectional distortion in rectangular profiles is observed with 80 wt% CIPs and 2 wt% CB/CNT under a magnetic field strength of 400 mT, reducing the maximum collapse rate from 13.17 % to 6.85 % and the maximum bulge rate from 1.40 % to 0.98 %.
期刊介绍：
Composites Science and Technology publishes refereed original articles on the fundamental and applied science of engineering composites. The focus of this journal is on polymeric matrix composites with reinforcements/fillers ranging from nano- to macro-scale. CSTE encourages manuscripts reporting unique, innovative contributions to the physics, chemistry, materials science and applied mechanics aspects of advanced composites.
Besides traditional fiber reinforced composites, novel composites with significant potential for engineering applications are encouraged.
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