FIELD: machine building.
SUBSTANCE: procedure for production of refractory ceramic material on base of zirconium consists in zirconium crumbling, in work pieces moulding and in sintering at 1600°C. Zirconium is crumbled in water solution of surface active substance of 0.3-0.5 wt % concentration during 4-10 hours. Polyvinyl alcohol is used as surface active substance.
EFFECT: increased density of items.
2 cl, 2 ex, 1 tbl
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RU2819814C1 |
