Abstract
For the first time, a hard wear-resistant multi-layer of TiCrN-TiAlN-TiAlSiN-TiAlSiCN was deposited on carbon steel CK45-based tillage tools to increase their useful lifetime. The layers were deposited by using an arc-PVD method without post-annealing procedures. XRD and EDX data indicated that TiCrN, TiAlN, TiAlSiN, and TiAlSiCN formed individually and as a multi-layer of high-quality crystalline layers with mostly cubic structures. The studies on the multi-layers coating morphology, roughness and hardness gave reasonable results as a roughness of 35 nm and a hardness of 32.2 GPa. The coated sweep duck blade tillage tools were tested on the field along with a soil bin to obtain their wear behavior at different traveling distances. The draft force of all blades showed promising results. As the coated layers were worn off, their draft force increased. In comparison with single-layer coatings, the multi-layer structure demonstrated an increase in the useful lifetime of the blades.
Highlights
Titanium-based composites have been of interest of researchers due to their suitable low friction coefficient, high thermal stability, and resistance to oxidation and wear[1,2]
TiAlSiN thin films were deposited by Yu, et al.[45] who studied the hardness of the layers by changing the Si content ratio
We aim to deposit TiCrN-TiAlN-TiAlSiN-TiAlSiCN multi-layer for the first time, and eventually use them to increase the useful life of sweep duck blade tillage tools
Summary
Titanium-based composites have been of interest of researchers due to their suitable low friction coefficient, high thermal stability, and resistance to oxidation and wear[1,2]. Along with research conducted on TiAlSiN, TiAlSi46, TiAlN30,47–50 and TiN-TiAlN44 multi-layers have been deposited by arc-PVD method, which have shown promising mechanical properties. In our previous research on TiN single layer coating, we were able to obtain resealable results in increasing the lifetime of sweep duck blades[1]. We aim to deposit TiCrN-TiAlN-TiAlSiN-TiAlSiCN multi-layer for the first time, and eventually use them to increase the useful life of sweep duck blade tillage tools. The sweep duck blades (carbon steel CK45) will be coated with TiCrN, TiAlN, TiAlSiN, TiAlSiCN layers using an arc-PVD system with no post-annealing process, before or after the deposition. Soil moisture content is obtained using an oven along with soil texture and chemical properties which are investigated by EC meter, pH meter, Anion-Cation spectrophotometer, and a hydrometer
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