METHOD OF PRODUCING LARGE-SIZE THICK-WALL PARTS

FIELD: machine building. ^ SUBSTANCE: SUSBTANCE: invention relates to production of large-size thick-wall parts, i.e. up to 1500 mm-dia. and up to 500mm - thick parts, from compositions based on tungsten, iron and polypropylene powders and aims at providing protection against radiactive radiation in...

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Bibliographische Detailangaben
Hauptverfasser:	SUSTAVOV VASILIJ ALEKSEEVICH, TROITSKIJ VALERIJ NIKOLAEVICH, BRATCHIKOV ALEKSANDR VASIL'EVICH, NURUTDINOV MARAT KHAFIZOVICH, TSIVILIN VALERIJ MIKHAJLOVICH, ERMAKOV VALENTIN IVANOVICH, VESELOV EVGENIJ VADIMOVICH, PLESHKOV IGOR' MIKHAJLOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DECONTAMINATION ARRANGEMENTS THEREFOR METALLURGY NUCLEAR ENGINEERING NUCLEAR PHYSICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATING RADIOACTIVELY CONTAMINATED MATERIAL USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	FIELD: machine building. ^ SUBSTANCE: SUSBTANCE: invention relates to production of large-size thick-wall parts, i.e. up to 1500 mm-dia. and up to 500mm - thick parts, from compositions based on tungsten, iron and polypropylene powders and aims at providing protection against radiactive radiation in operation of nuclear power plants. Using a polypropylene rubber in the above composition and a preset layers thickness on assembling them by a shrinkage fit allows producing the said parts without defects and with the ultimate fracture strength at the joint of layers making at least 120 kg/cm2. ^ EFFECT: allows production of good large-size parts with no defects. ^ 1 tbl, 11 spl