Production and properties of zirconia ceramics |
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Authors: | L P Ivanova A G Romashin N D Burovova V A Kryuchkov |
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Affiliation: | (1) All-Union Institute of Refractories, USSR;(2) Tekhnologiya ONPO, USSR |
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Abstract: | Conclusions A study was made of the effect of preliminary milling and the process temperature of a mixture of zirconium and yttrium hydroxides on the technical aspects of preparing large articles from partially stabilized zirconia.A procedure was developed for making such items from tetragonal zirconia, both by monoaxial pressing and by slip casting in gypsum molds. The main physicochemical and frictional properties of the materials were investigated.The material has been tested for pushers, piston units, inserts and gaskets, friction pairs of the gas distribution tract in internal combustion engines, and the axles of shafts for pumps handling corrosive media. The tests confirmed the workability of the material in friction pairs.Translated from Ogneupory, No. 2, pp. 6–9, February, 1991. |
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