Affiliation:
1. School of Mechanical and Electronic Engineering, Suzhou University, Suzhou 234000, China
2. School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China
Abstract
In order to improve the surface quality of copper after laser remelting, this article took laser frequency, pulse width, and energy density as the research objects and used scanning electron microscopy (SEM), a laser confocal three-dimensional measurement instrument, hardness tester, and friction and wear measurement instrument to study the surface morphology, surface roughness, microhardness, and wear resistance of copper, respectively. The results indicate that the frequency, pulse width, and energy density of laser remelting could directly affect the surface quality of the sample, but the influence of frequency and pulse width was more significant. When the laser remelting frequency was 10 Hz, the pulse width was 10 ms, and the energy density was 132.69 J/mm2, the sample exhibited good surface morphology, roughness, and wear resistance. The relevant research in this article can provide a good reference for the laser surface treatment of copper-based materials.
Funder
the Scientific Research Foundation for Doctoral of Suzhou University
the Open Project of Suzhou University Research Platform
the Teaching and Research Project of Suzhou University
the Natural Science Research Project in Universities of Anhui Province in China
the Anhui Higher Education Quality Engineering Project
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