Material incorporation in powder sheet additive manufacturing toward lightweight designs for future mobility

IF 1.7 4区工程技术 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Laser Applications Pub Date : 2024-05-01 DOI:10.2351/7.0001348

Wenyou Zhang, Daniele Pullini, Matteo Alberghini, A. Bertinetti, Alessio Tommasi, Asli Coban, Seán McConnell, H. Naesstroem, Ramesh Padamati Babu, J. Volpp, Rocco Lupoi

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引用次数: 0

Abstract

Additive manufacturing of AlSi10Mg has obtained increased attention due to its lightweight feature. However, handling of loose powder, efficient usage of feedstock, and powder recycling still remain major open challenges. Herein, a novel additive manufacturing method based on metal additive manufacturing using powder sheet (MAPS) is proposed, which leverages composite flexible films made of the feedstock of metal powder and a polymeric binder, aiming to extend the range of applicability of AlSi10Mg-based additive manufacturing technologies, for example, vehicle components. In situ high-speed imaging is used to explore the underlying manufacturing mechanisms of the proposed MAPS concept and investigate the laser–powder sheet interaction. In addition, a representative computational thermo-mechanical model was used to evaluate the substrate deformation due to the printing process, a critical aspect that must be minimized in order to transfer this technology to larger scale applications.

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在粉末片材增材制造中加入材料，实现未来汽车的轻量化设计

AlSi10Mg 的增材制造因其轻质特性而受到越来越多的关注。然而，松散粉末的处理、原料的有效利用以及粉末的回收利用仍是主要的挑战。本文提出了一种基于金属粉末片材增材制造（MAPS）的新型增材制造方法，该方法利用金属粉末原料和聚合物粘合剂制成的复合柔性薄膜，旨在扩大基于 AlSi10Mg 的增材制造技术的适用范围，例如汽车部件。原位高速成像技术用于探索拟议的 MAPS 概念的基本制造机制，并研究激光与粉末片的相互作用。此外，还使用了一个具有代表性的计算热机械模型来评估打印过程导致的基底变形，这是将该技术转化为更大规模应用所必须最小化的一个关键方面。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Laser Applications 物理-光学

CiteScore

3.60

自引率

9.50%

发文量

125

审稿时长

>12 weeks

期刊介绍： The Journal of Laser Applications (JLA) is the scientific platform of the Laser Institute of America (LIA) and is published in cooperation with AIP Publishing. The high-quality articles cover a broad range from fundamental and applied research and development to industrial applications. Therefore, JLA is a reflection of the state-of-R&D in photonic production, sensing and measurement as well as Laser safety. The following international and well known first-class scientists serve as allocated Editors in 9 new categories: High Precision Materials Processing with Ultrafast Lasers Laser Additive Manufacturing High Power Materials Processing with High Brightness Lasers Emerging Applications of Laser Technologies in High-performance/Multi-function Materials and Structures Surface Modification Lasers in Nanomanufacturing / Nanophotonics & Thin Film Technology Spectroscopy / Imaging / Diagnostics / Measurements Laser Systems and Markets Medical Applications & Safety Thermal Transportation Nanomaterials and Nanoprocessing Laser applications in Microelectronics.