通过激光粉末床熔融制造的 AlSi10Mg 折纸蜂窝结构的能量吸收

IF 1.8 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

MRS Communications Pub Date : 2024-01-31 DOI:10.1557/s43579-024-00518-7

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引用次数: 0

摘要

摘要我们通过实验研究了用 AlSi10Mg 合金添加制造的金属折纸蜂窝结构的能量吸收。我们采用激光粉末床熔融（L-PBF）工艺制造 AlSi10Mg 折纸。由于制成的 AlSi10Mg 的断裂伸长率有限，我们系统地研究了热处理条件，并在折纸折痕不断裂的情况下实现了 AlSi10Mg 折纸的大变形（即宽折叠范围）。此外，我们还利用落塔冲击系统证明了 AlSi10Mg 折纸的折叠行为在吸收冲击能量方面的有效性。根据我们的实验结果，AlSi10Mg 折纸蜂窝结构可用于开发一种高效的轻质冲击吸收器。图表摘要

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Energy absorption of AlSi10Mg origami cellular structures fabricated via laser powder bed fusion

Abstract

We experimentally study the energy absorption of metallic origami cellular structures additively manufactured from an AlSi10Mg alloy. We fabricate AlSi10Mg origami using the laser powder bed fusion (L-PBF) process. Since the as-fabricated AlSi10Mg has limited elongation at break, we systematically examine the heat treatment conditions and achieve the large deformation (i.e., wide folding range) of AlSi10Mg origami without fracture of origami creases. In addition, we use a drop tower impact system to demonstrate the effectiveness of AlSi10Mg origami’s folding behavior for impact energy absorption. Based on our experimental results, AlSi10Mg origami cellular structures could be exploited to develop a highly efficient lightweight impact absorber.

Graphical abstract

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来源期刊

MRS Communications MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

2.60

自引率

10.50%

发文量

166

审稿时长

>12 weeks

期刊介绍： MRS Communications is a full-color, high-impact journal focused on rapid publication of completed research with broad appeal to the materials community. MRS Communications offers a rapid but rigorous peer-review process and time to publication. Leveraging its access to the far-reaching technical expertise of MRS members and leading materials researchers from around the world, the journal boasts an experienced and highly respected board of principal editors and reviewers.