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Abstract Iron-rich nanocomposite Fe-Ti-N coatings are deposited by reactive direct-current magnetron sputtering. Co-deposition from two targets (Fe and Ti) onto substrates placed at different locations gives a combinatorial approach to… Click to show full abstract
Abstract Iron-rich nanocomposite Fe-Ti-N coatings are deposited by reactive direct-current magnetron sputtering. Co-deposition from two targets (Fe and Ti) onto substrates placed at different locations gives a combinatorial approach to film composition effects, with the Fe/Ti atomic ratio varying from 0.5 to 38. The influence of substrate-temperature is also studied. The nanohardness of the coatings increases with Fe content, and is as high as ~15 GPa, far exceeding the value for pure-iron, and comparable alloy coatings. The nanowear resistance of the coatings scales as expected with their hardness, but their abrasive wear resistance is dependent on their adhesion to the substrate.
Journal Title: Surface and Coatings Technology
Year Published: 2019
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