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Experimental study on bending behaviour of aluminium-copper clad sheets in V-bending process

机译:V型弯曲工艺中铝 - 铜包层弯曲行为的实验研究

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摘要

The bimetallic sheets are used in the industrial sheet metal products to meet the demands of multi-functionality. The bending behaviour of bimetallic sheet is contributed by individual layers of the sheet and it is entirely different from the monolithic material. In this study, V-bending experiments are carried out to understand the springback, bend force and thickness change of Al-Cu clad sheets. The effect of different parameters such as sheet thickness, sheet setting condition, die angle, die opening and punch radius have been investigated. The results indicated that springback is more for smaller die angle, wider die opening and larger punch radius. Increase in die angle, increase in die opening or decrease in punch radius decreases the bend force. The clad sheet thickens at Al/Cu setting condition whereas it thins at Cu/Al setting condition. This thinning or thickening of the sheet influences the springback and bend force.
机译:双金属板用于工业板材产品中,以满足多功能的需求。 双金属片的弯曲行为由片材的各个层贡献,并且完全不同于整体材料。 在该研究中,进行V型弯曲实验以了解Al-Cu包层的回弹,弯曲力和厚度变化。 已经研究了不同参数,例如片材厚度,薄片设定条件,管芯角度,模具开口和冲头半径的影响。 结果表明,每个模具角度,更宽的模具开口和更大的冲头半径更多。 模头角度增加,模具的增加或冲头半径的减小降低了弯曲力。 覆层板在Al / Cu设定条件下变稠,而在Cu / Al设定条件下它粘附。 该薄片的这种变薄或增厚影响了回弹和弯曲力。

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