Plasticity and damage with gradient enhancement: A review of application to high speed forming

Plasticity and damage with gradient enhancement: A review of application to high speed forming
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梯度增强的塑性和损伤:高速成形应用综述

DOI:
10.1088/1742-6596/896/1/012078
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发表时间:
2017
期刊:
Journal of Physics: Conference Series
影响因子:
--
通讯作者:
Wulfinghoff
Wulfinghoff
中科院分区:
--
文献类型:
--
作者:
Poggenpohl;Kiliclar;Brepols;Wulfinghoff

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效率、耐用性和轻量化是设计新产品(如汽车或其他机器)的关键方面。然而,当材料通过塑性成形加工时,必须考虑材料的成形极限,其指示材料的局部化或断裂的起点。高速成形工艺,如电磁成形提供了扩大这些限制的可能性。由于标准的塑性模型不考虑这些高应变率下的损伤行为,因此必须开发一种新的高应变和高应变率下的损伤-塑性耦合模型。
Efficiency, durability and lightweight are key aspects in designing new products such as cars or other machines. However, when materials are processed by plastic forming, one has to consider the forming limits of the materials which indicate the starting point for localization or fracture of the material. High speed forming processes, such as electro-magnetic forming offer a possibility to widen these limits. Since standard plasticity models do not account for the damage behavior at these high strain rates, a new model of coupled damage-plasticity at high strains and high strain rates has to be developed.
通过深拉超越​​成形极限曲线,然后进行电磁校准
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