| 摘要 |
FIELD: process engineering. ^ SUBSTANCE: invention relates to antiwear protection and may be used for protection of turbojet engine nozzle flaps made of SiC. Protective coat is made in following steps. Mix is prepared including silica gel, powder of ceramic refractory siliceous and alumina material and water to be applied on the part in one layer, dried and ground by pumice with addition of abrasive bearing boron nitride. Part is heated to above 1000C for layer calcination and enamel coat formation. Coat composition may additionally incorporate additives to vary coated zone radiation ability. ^ EFFECT: reliable protection against wear from friction. ^ 13 cl, 1 ex, 2 dwg, 1 tbl |
