Influence of Laser Treatment Medium on the Surface Topography Characteristics of Laser Surface-Modified Resorbable Mg3Zn Alloy and Mg3Zn1HA Nanocomposite-Reference-Cited by-同舟云学术

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

Published:2023-04-26 Issue:5 Volume:13 Page:850
ISSN:2075-4701
Container-title:Metals
language:en
Short-container-title:Metals

Author:

Bupesh Raja V. K.¹^ORCID,Parande Gururaj²^ORCID,Kannan Sathish³,Sonawwanay Puskaraj D.⁴^ORCID,Selvarani V.⁵,Ramasubramanian S.⁶,Ramachandran D.¹,Jeremiah Abishek¹,Akash Sundaraeswar K.¹,Satheeshwaran S.¹,Gupta Manoj²^ORCID

Affiliation:

1. Sathyabama Institute of Science and Technology, Chennai 600119, India

2. Department of Mechanical Engineering, National University of Singapore, Singapore 117575, Singapore

3. Department of Mechanical Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates

4. School of Mechanical Engineering, Dr. Vishwanath Karad MIT World Peace University, Pune 411038, India

5. Department of Chemistry, St. Joseph’s Institute of Technology, Chennai 600119, India

6. Department of Automobile Engineering, Vels Institute of Science, Technology and Advanced Studies, Chennai 600117, India

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.

Publisher

MDPI AG

Subject

General Materials Science,Metals and Alloys

Link

https://www.mdpi.com/2075-4701/13/5/850/pdf

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