Thermal stability and mechanical properties of boron enhanced Mo–Si coatings

Structure and Properties of Zr-Mo-Si-B-(N) Hard Coatings Obtained by d.c. Magnetron Sputtering of ZrB2-MoSi2 Target

“…PVD and CVD are arguably the most interesting methods for the deposition of ZrB 2 -MoSi 2 coatings from both a scientific and technological point of view, yet no such studies can be currently found in the literature. The closest analogs are coatings Zr-Si-B and Mo-Si-B, which were previously deposited by magnetron sputtering [ 5 , 8 , 25 , 30 , 31 , 32 ]. It should be noted that the properties of the coatings (in particular, tribological performance) can be greatly enhanced by the introduction of nitrogen into the coating via the sputtering in the nitrogen atmosphere [ 33 , 34 ].…”

Oxidation Behavior of MoSi2-Coated TZM Alloys during Isothermal Exposure at High Temperatures

“…Mo-based alloys have been studied in the past to improve oxidation resistance through surface coatings. Surface protection coatings such as thermal plasma spray, sputtering coatings, or pack cementation coatings have been studied in order to improve oxidation resistance at the exposure to high temperatures under an ambient atmosphere [8][9][10][11]. Among the coating routes, the pack cementation coating process has the capability of producing a uniform coating layer on complex shaped substrates, and is effective in preventing oxygen penetration [2,4,7,[12][13][14][15][16][17].…”

“…Among the coating routes, the pack cementation coating process has the capability of producing a uniform coating layer on complex shaped substrates, and is effective in preventing oxygen penetration [2,4,7,[12][13][14][15][16][17]. According to the literature, the formation of protective coating layers can be achieved by Si or Al pack cementation coatings [2,4,11]. Upon the application of Si pack cementation coatings on the alloy, MoSi 2 phase, a highly oxidation resistant material, is formed as a result of the diffusion of Si into Mo in the matrix.…”