Campus Units

Mechanical Engineering

Document Type

Article

Publication Version

Published Version

Publication Date

2018

Journal or Book Title

Procedia Manufacturing

Volume

26

First Page

125

Last Page

131

DOI

10.1016/j.promfg.2018.07.015

Abstract

We report high repetition rate picosecond laser based additive manufacturing process to coat nanoscale rough hydroxyapatite (HA) on cobalt chromium plates (CoCr). Nanoscale rough coatings of hydroxyapatite are desirable as they mimic the naturally formed hydroxyapatite and in addition provide very high surface area and surface roughness, which leads to better cell adhesion and cell-matrix interaction. Nanoscale HA powders are synthesized using sol-gel procedure and ball milling. Ball-milled powders are suspended in volatile solvents and coated on the CoCr surface using picosecond laser irradiation. The chemical composition and morphology of the coated material was characterized using electron microscopy. The laser-assisted fusion process results in HA coatings that have hierarchical surface roughness down to nanometer scale which may enhance the biocompatibility of the CoCr implants.

Comments

This article is published as Redhwi, I., T. Lan, S. Padalkar, and P. Shrotriya. "Picosecond Laser based Additive Manufacturing of Hydroxyapatite Coatings on Cobalt Chromium Surfaces." Procedia Manufacturing 26 (2018): 125-131. DOI: 10.1016/j.promfg.2018.07.015. Posted with permission.

Creative Commons License

Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

Copyright Owner

The Author(s)

Language

en

File Format

application/pdf

Included in

Manufacturing Commons

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