Formation and hot corrosion behavior of MoSi2/NbSi2 composite coating on Nb-based alloys by combined electrodeposition and HAPC processes

MoSi2/NbSi2 composite coating was prepared on Nb-based alloys through electrodeposition and halide activated pack cementation (HAPC) process. Preferred electrodeposition process, the effect of electrolyte with different concentrations of MoO42- on the electrodeposition behavior and coating formation were investigated. Besides, the microstructures of the composite coatings, and the hot corrosion behavior of the MoSi2/NbSi2 composite coated...