Affiliation:
1. Department of Mining, Metallurgical, and Materials Engineering, College of Engineering, University of the Philippines , Diliman, Quezon City 1101, Philippines
Abstract
Titanium nitride (TiN) films were deposited on 304 stainless steel substrates using a radio frequency-powered magnetron sputtering system. The influence of the argon:nitrogen gas ratio (90:10, 80:20, 70:30) and the substrate temperature (room temperature, 200 °C, 400 °C) were investigated. X-ray diffractograms revealed a crystal orientation along the (111) plane with lattice parameters ranging from 4.268 to 4.319 Å. Colorimetric analysis of the deposited films revealed a color difference (ΔEab∗) from actual gold that ranged from 2.6 to 33.2. The hardness data of the TiN-coated (ΔEab∗=2.6) revealed a 53% increase compared to the bare substrates. 300-h salt spray test showed no significant corrosion for the TiN-coated substrates. With a gold-like finish coupled with excellent mechanical properties, the TiN films can be used as a durable decorative coating for the creative industries.
Funder
Department of Science and Technology, Philippines
Subject
Materials Chemistry,Electrical and Electronic Engineering,Surfaces, Coatings and Films,Process Chemistry and Technology,Instrumentation,Electronic, Optical and Magnetic Materials
Cited by
2 articles.
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