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Influence of Laser Treatment Medium on the Surface Topography Characteristics of Laser Surface-Modified Resorbable Mg3Zn Alloy and Mg3Zn1HA Nanocomposite

Year: 2023
Type: article
Abstract: In this study, a Mg3Zn alloy and a Mg3Zn1HA nanocomposite were fabricated through disintegrated melt deposition, followed by the hot extrusion process. The specimens were subjected to fiber laser surface modification in air and demineralized water (DM) medium to determine the influence of the laser treatment medium on the microstructure, microhardness, grain size, and surface topography. During the laser treatment, the samples under the water medium produced a lower surface roughness when compared with the air medium. The atomic force microscope (AFM) surface topography scan showed the presence of surface modifications caused by the presence of nanohydroxyapatite (nHA) in the matrix, resulting in a 367.4% and 632.4% increase in the surface roughness (Ra) in the Mg3Zn1HA nanocomposite when compared with the Mg3Zn alloy in water and air media, respectively.
Source: Metals
DOI: 10.3390/met13050850
Authors: V. K. Bupesh Raja, Gururaj Parande, Sathish Kannan, Puskaraj D. Sonawwanay, V. Selvarani, S. Ramasubramanian, D. Ramachandran, Abishek Jeremiah, K. Akash Sundaraeswar, S. Satheeshwaran, Manoj Gupta
Institutions: Sathyabama Institute of Science and Technology, National University of Singapore, American University of Sharjah, MIT World Peace University, St. Joseph's Institute of Technology, Vels University
Language: English
Subfield: Biomaterials
Open Access status: gold
Estimated APC paid: $2,224
OpenAlex ID: W4367182102
FWCI: 0.172
Cites: 65
Cited by: 3
Related to: 10