Effect of coating thickness on fatigue behavior of TiAlN coated Ti-alloys
Source abstract
Abstract
Abstract Fatigue strength tests of TiAlN coated Ti-alloys with coating thicknesses of 1 µm, 5 µm and 15 µm were conducted to investigate the effect of coating thickness on fatigue strength. Under same applied stress amplitude, optimum thickness with longest fatigue life was found to be around the intermediate coating thickness of 5 µm. It is found from detailed observations and discussion that lower fatigue life of coating thickness of 1 µm results from fracture of coating layer under strong influence of deformation of substrate crystal. On the other hand, lower fatigue life of 15 µm coating thickness results from higher tensile residual stress induced in substrate near coating layer and substrate interface.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Metal and Thin Film Mechanics · Intermetallics and Advanced Alloy Properties · Surface Treatment and Residual Stress
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (17)
Show source-provided references
1. Effect of temperature on oxidation behaviour of Ga-containing near-α Ti alloy10.1016/j.corsci.2018.01.018 ↗
2. Electrochemical behaviour of passive film formed on the surface of Ti-6Al-4V alloys fabricated by electron beam melting10.1016/j.corsci.2018.09.010 ↗
3. Microstructure and erosive wear behaviors of Ti6Al4V alloy treated by plasma Ni alloying10.1016/j.apsusc.2015.10.231 ↗
4. Solid particle erosion mechanisms of protective coatings for aerospace applications10.1016/j.surfcoat.2014.08.037 ↗
5. Ti-N multilayer systems for compressor air foil sand erosion protection10.1016/j.surfcoat.2009.09.053 ↗
6. Novel coating systems produced by the combined cathodic arc/unbalanced magnetron sputtering for environmental protection of titanium alloys10.1016/S0257-8972(02)00063-4 ↗
7. Effects of silicon and multilayer structure of TiAl(Si)N coatings on the oxidation resistance of Ti6Al4V10.1016/j.surfcoat.2013.04.003 ↗
8. Fatigue strength and mechanism of Ti6242S titanium alloy with TiAlN coating deposited under various bias voltages
9. Coating thickness effect of metallic glass thin film on the fatigue properties improvement of 7075 aluminium alloy10.1016/j.tsf.2019.03.021 ↗
10. Fatigue behavior of TiN and TCN coated rotor turbine steel10.1142/S0217979203019277 ↗
11. Effect of intrinsic properties of ceramic coatings on fatigue behavior of Cr-Mo-V steels10.1016/S0257-8972(03)00229-9 ↗
12. Fatigue properties of nirtide Cr-Mo steel with CrN thin film deposited by AIP method10.1142/S0217979203019319 ↗
13. Effect of film thickness on fatigue strength on TiAl alloy coated with TiAlN film at elevated temperature10.4028/www.scientific.net/KEM.297-300.1446 ↗
14. A probabilistic framework for the modeling of fatigue in cast lamellar gamma-based titanium aluminides10.1016/S0167-6636(03)00038-3 ↗
15. Determination of the optimum TiN coating thickness on WC inserts for machining carbon steels10.1016/j.jmatprotec.2004.04.277 ↗
16. Effect of TiN/Ti gas turbine compressor coatings on the fatigue strength of Ti6Al4V base metal10.1016/0257-8972(94)02336-0 ↗
17. Fatigue-resistance enhancements by glass-forming metallic films10.1016/j.msea.2006.09.099 ↗