Feasibility investigation of direct laser cutting process of metal foam with high pore density

Liu, Yangxu, Zhou, Wei, Chu, Xuyang, Liu, Shaoyu and Hui, Kwan San (2018) Feasibility investigation of direct laser cutting process of metal foam with high pore density. International Journal of Advanced Manufacturing Technology, 96 (5-8). 2803–2814. ISSN 0268-3768

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Abstract

To avoid damage to the pore structure of metal foam, a laser cutting process for efficiently and directly cutting metal foam into regular shapes is proposed. After analyzing the proposed laser cutting process, its effects when applied to three different types of metal material (copper, ferroalloy, and nickel) and two levels of pore density, namely 90 and 110 pores per inch (PPI), were investigated. The results show that metal foam with a good surface quality can be obtained without damaging the pore structure by using the proposed laser cutting process. Of the three metal types considered, the highest material removal rate (MRR) and material oxidation rate (MOR) were observed for ferroalloy foam. Of the two pore densities, metal foam of 90 PPI showed a larger material removal rate than metal foam of 110 PPI. The MRR and MOR increased with an increase in the laser output power and decrease in the scanning speed. Using a central composite experimental design method, optimized processing parameters of 26 W laser output power and 475 mm/s scanning speed were adopted to cut the metal foam with a high pore density.

Item Type: Article
Uncontrolled Keywords: laser cutting,material oxidation rate,material removal rate,metal foam
Faculty \ School: Faculty of Science > School of Mathematics
Related URLs:
Depositing User: Pure Connector
Date Deposited: 15 Mar 2018 16:30
Last Modified: 20 Aug 2020 00:02
URI: https://ueaeprints.uea.ac.uk/id/eprint/66509
DOI: 10.1007/s00170-018-1796-1

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