High transmittance and excellent hardness TiO2‐SiO2‐Al2O3 nanocomposite thin film for anti‐scratch surface applications
Source abstract
Abstract
Abstract In this work, TiO2‐SiO2‐x%Al2O3 (x = 0–50) nanocomposite thin films (NCTFs) with high purity, relatively homogeneity, high transmittance, excellent hardness, and crack‐free were synthesized successfully by a spin‐coating technique. It was demonstrated that the transmittance and the hardness of TiO2‐SiO2‐x%Al2O3 NCTFs are strongly affected by the Al2O3 content. The highest transmittance of 90.9% in the visible region (400 to 800 nm) and the excellent hardness and scratch resistance with a maximum hardness value of 7 Mohs and 11.8 GPa of nanoindentation and a critical scratch load of 47.6 mN for the TiO2‐SiO2‐30%Al2O3 NCTF annealed at 500°C in the air for 3 h was achieved. A hardness enhancement mechanism was proposed and discussed in detail. The obtained results show that the fabricated TiO2‐SiO2‐Al2O3 NCTFs have a great potential for anti‐scratch resistance surface applications.
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Research context
OpenAlex topics: Metal and Thin Film Mechanics · Diamond and Carbon-based Materials Research · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Advanced Institute for Science and Technology Hanoi University of Science and Technology Hanoi Vietnam
Faculty of Materials Science and Engineering Phenikaa University Hanoi Vietnam
Polymer Center Green Phoenix A&A Group JSC Hanoi Vietnam
Faculty of Vehicle and Energy Engineering Phenikaa University Hanoi Vietnam
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