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Hyperplastic forming: process potential and factors affecting formability

机译:增塑成型:工艺潜力和影响可成型性的因素

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This paper has two distinct goals. First, we argue in an extended introducting that high velocity forming, as can be implemented through electromagnetic forming, is a technology that should be developed. As a process used in conjunction with traditional stamping, it may offer dramatically improved formability, reduced wrinkling and active control of sprimgback among other advantages. In the body of the paper we describe the improtant factors that lead to improved formability at thigh velocity. In particular, high sample velocity can inhibit neck growth, There is a sample size dependence where larger samples have better dutility than those of smaller dimensions. These aspects are at least partially described by the recent model of Freund and Shenoy. In addition to this, boundary conditions imposed by sample launch and die impact can have important effects on formability.
机译:本文有两个不同的目标。首先,我们在扩展的引言中指出,应该通过电磁成形来实现的高速成形是一项应开发的技术。作为与传统压模结合使用的方法,它可以显着提高可成形性,减少皱纹和主动控制底坯等优点。在本文的主体中,我们描述了导致高转速成形性提高的重要因素。特别是,较高的样品速度会抑制颈部生长。存在样品尺寸依赖性,较大的样品比较小尺寸的样品具有更好的延展性。这些方面至少由Freund和Shenoy的最新模型进行了描述。除此之外,由样品发射和模具冲击所施加的边界条件可能会对可成型性产生重要影响。

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