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用RG2000型微机控制电子万能试验机结合ARGUS板金成形网格应变测试系统对镀镍钢带进行了冲压成型试验,研究了镀镍钢带在不同压入深度下的应变分布.并用有限元软件ABAQUS对此过程进行了模拟验证.结果表明,杯形件底部区域应变变形不大,由圆角处开始逐渐增大,随着压入深度的增加,这种趋势越来越明显;实验和数值模拟同时证明镍镀层在凸模圆角处最易发生破坏,此处镀层厚度减薄率最大,约为11.08%.

参考文献

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