PLASMA SPRAYING OF COATINGS FROM PARTIALLY STABILIZED ZIRCONIUM DIOXIDE AND NICKEL CERMET ON THE FUEL CELL ELEMENT WITH ACCOUNT FOR PREDICTION

摘要

The concept of the formation of a plasma coating from partially stabilized zirconium dioxide (further PSZD) and nickel cermet (NCM) on fuel cell elements has been developed based on the analysis of works in this field conducted from 1988 till 2003. The concept determines the aim, the main principles, and directions of studies relying on the predicted operational properties of a produced fuel cell. The concept is aimed at spraying plasma coatings from PSZD and NCM on a fuel cell element, namely, a cathode on an LSM material base. The influence of the substrate preliminary heating on the structure and properties of ZrO_2-Y_2O_3 coatings has been investigated. Optimum modes of making coatings from mechanically mixed Ni and ZrO_2-Y_2O_3 powders have been determined.