1. O Younossi, MV Arena, RM Moore, et al. Military jet engine acquisition: Technology basics and cost-estimating methodology. No. RAND/MR-1596. RAND CORP SANTA MONICA CA, 2002.
2. B. Han, M. Zhang, C. Qi, et al., Characterization and friction-reduction performances of composite coating produced by laser cladding and ion sulfurizing, Mater. Lett. 150 (2015) 35–38.
3. SB Wei, XH Pei, BR Shi, et al., Wear resistance and anti-friction of expansion cone with hard coating. Petroleum Explor. Dev. 43(2) (2016) 326–331.
4. T Morita, K Inoue, X Ding, et al., Influence of hybrid surface treatment composed of nitriding and DLC coating on friction-wear properties and fatigue strength of alloy steel, Mater. Sci. Eng. A, 661 (2016) 105–114.
5. V Stathopoulos, V Sadykov, S Pavlova, et al., Design of functionally graded multilayer thermal barrier coatings for gas turbine application. Surf. Coatings Technol. 295 (2016) 20–28.