Finite element simulation of different deformation modes for powder hot forging

IF 1.9 4区 材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING
G. Bagliuk, S. Kyryliuk
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引用次数: 0

Abstract

ABSTRACT Comparative results of numerical simulation of the process of hot forging of porous preforms with an axial hole for two deformation schemes are presented: in a die with a flash groove on the inner surface of the forged workpiece cavity and in a closed die. A significant difference in the nature of the evolution of the distribution of deformations and density over the cross-section of the workpiece for the two considered schemes is noted. It is shown that forging in a die with an open volume provides significantly higher degrees of material deformation during forging compared to closed forging, which should lead to an increase in the quality of the structure and final properties of the forged material.
粉末热锻不同变形模式的有限元模拟
摘要给出了两种变形方案下带轴向孔的多孔预制件热锻过程的数值模拟比较结果:在锻造工件腔内表面有闪光槽的模具中和在闭合模具中。注意到,对于所考虑的两种方案,变形和密度在工件横截面上的分布的演变性质存在显著差异。研究表明,与闭合锻造相比,在具有开放体积的模具中锻造在锻造过程中提供了显著更高程度的材料变形,这将导致锻造材料的结构质量和最终性能的提高。
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来源期刊
Powder Metallurgy
Powder Metallurgy 工程技术-冶金工程
CiteScore
2.90
自引率
7.10%
发文量
30
审稿时长
3 months
期刊介绍: Powder Metallurgy is an international journal publishing peer-reviewed original research on the science and practice of powder metallurgy and particulate technology. Coverage includes metallic particulate materials, PM tool materials, hard materials, composites, and novel powder based materials.
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