High temperature thermodynamics of spinodal decomposition in arc deposited TixNbyAlzN coatings

In situ Synthesizing Carbon-Based Film by Tribo-Induced Catalytic Degradation of Poly-α-Olefin Oil for Reducing Friction and Wear

“…Thus, they have been widely used in mechanical antiwear systems. , For instance, Bahri et al studied the tribological behaviors of TiN coatings using a simulated olive-oil extraction device and found that the TiN coating exhibited good antiwear performances. Traditionally, the application of binary transition metal nitride coatings on the surfaces of cutting tools can greatly improve the cutting performance and extend the service lives of the tools. − To withstand harsher environments, researchers have attempted to synthesize ternary or multicomponent transition metal nitride coatings by doping with alloying elements (Cu, Si, etc.) or designing multilayer structures to improve the performances of the coatings. − Bondarev et al investigated the friction and wear properties of the MoCN–Ag composite coatings at various temperatures, providing a theoretical basis for the design of hard coatings suitable for a wide temperature range.…”

Decomposition routes and strain evolution in arc deposited TiZrAlN coatings

“…Adding a fourth element to TiAlN drastically increases the complexity of the decomposition process and offers a way to tune the decomposition, the associated microstructure evolution and in extent, control the evolution of mechanical properties. Several studies on for example phase stability, oxidation resistance, and mechanical properties reveal improved properties when alloying TiAlN with Cr, Zr or Nb of both as-deposited and heat treated samples [5][6][7][8][9][10][11]. In Cr-alloyed TiAlN coatings, the complexity of the quaternary alloys is illustrated by two competing mechanisms of decomposition, spinodal decomposition and nucleation and growth of w-AlN, controlled by the chemical composition of the material [12].…”

A custom built lathe designed for in operando high-energy x-ray studies at industrially relevant cutting parameters

“…Two types of coatings were used, PVD grown TiNbAlN and CVD grown Al 2 O 3 /Ti(C, N). Ti 0.42 Nb 0.17 Al 0.41 N coatings were grown by cathodic arc evaporation to a thickness of 3 μm using Ti-Nb-Al alloy cathodes in a 4.5 Pa N 2 atmosphere similar to what is described by Tasnádi et al 25 . Before deposition, the substrates were sputter cleaned with Ar ions.…”