GRAPHITE-CONTAINING COMPOSITION FOR MAKING SILICONIZED GRAPHITE-CONTAINING PRODUCTS

GRAPHITE-CONTAINING COMPOSITION FOR MAKING SILICONIZED GRAPHITE-CONTAINING PRODUCTS

chemical industry, more particularly manufacture of ball bearings, seals of pumps, facing slabs, and fibers. SUBSTANCE: graphite-containing composition comprises, wt %: graphite, 20-70; binder, 10-30; silicon carbide, the balance. Silicon carbide powder has fractions: wt %: 250-91 mcm, 50-70; less t...

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Hauptverfasser: KOSTIKOV V.I, SEMENOV O.N, ABERJAKHIMOV KH.M, KOSHELEV JU.I, SMIRNOV L.N, KOSHELEV V.JU, SHIBALOV S.N
Format: Patent
Sprache:eng ; rus
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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creator KOSTIKOV V.I
SEMENOV O.N
ABERJAKHIMOV KH.M
KOSHELEV JU.I
SMIRNOV L.N
KOSHELEV V.JU
SHIBALOV S.N
description chemical industry, more particularly manufacture of ball bearings, seals of pumps, facing slabs, and fibers. SUBSTANCE: graphite-containing composition comprises, wt %: graphite, 20-70; binder, 10-30; silicon carbide, the balance. Silicon carbide powder has fractions: wt %: 250-91 mcm, 50-70; less than 90 mcm, 30-50. From this body products are molded at pressure of 50-120 kgf/sq.cm in mold heated to 60-70 C. Compacted product is pretreated at 300 C without reducing pressure for 15-30 min. Products are finally fired at 950-1100 C in coke filling for 24 h. Density of the resulting material is 2.82-3.06 g/cm compression strength is 4180-4950 kgf/sq.cm. EFFECT: higher corrosion resistance of the product. 2 cl, 2 tbl
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title GRAPHITE-CONTAINING COMPOSITION FOR MAKING SILICONIZED GRAPHITE-CONTAINING PRODUCTS
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