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Strain and strain-hardening analysis of formed parts produced by multi-pass metal spinning

机译:多道次金属旋压成型零件的应变和应变硬化分析

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The paper presents results of experimental study focused on the analysis of radial and hoop strain distributions and effect of strain-hardening of the surface layers of sheet metal hollow parts produced by multi-pass metal spinning. The thin sheets of 1 mm thickness, steel EN 10025-94 (ISO 630-80), were used for experimental study. The results of the study confirm minimal influence of the anisotropy of material on radial and hoop strain distributions and the relatively significant influence of the material anisotropy on the strain-hardening of the spun part's surface layers. It is found higher strain-hardening in the direction 90° refer to the rolling direction of the sheet compared to the direction 0°.
机译:本文介绍了实验研究的结果,重点是分析多道次金属旋压生产的钣金空心零件的径向和环向应变分布以及表层应变硬化的影响。实验研究使用了厚度为1 mm的钢EN 10025-94(ISO 630-80)薄片。研究结果证实了材料各向异性对径向和环向应变分布的影响最小,并且材料各向异性对旋转部件表面层的应变硬化影响相对较大。发现在相对于片材的轧制方向的90°方向上的应变硬化比在0°方向上的更高。

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