METHOD FOR INCREASING PERMEABILITY OF PORES OF GRAPHITE WORKPIECE
FIELD: metallurgy.SUBSTANCE: invention relates to production of coal-graphite composite material. Method includes degassing of porous coal-graphite billet, its impregnation with melt of matrix alloy of lead under action of excessive pressure due to thermal expansion of melt at heating above temperat...
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| creator | Gulevskij Viktor Aleksandrovich Miroshkin Nikolaj Yurevich |
| description | FIELD: metallurgy.SUBSTANCE: invention relates to production of coal-graphite composite material. Method includes degassing of porous coal-graphite billet, its impregnation with melt of matrix alloy of lead under action of excessive pressure due to thermal expansion of melt at heating above temperature of liquidus of lead alloy. Degassing is performed before immersion of porous workpiece into melt of matrix alloy, and before impregnation porous billet is covered with double-layer galvanic coating consisting of internal copper and external cadmium layers.EFFECT: higher quality of composite material.1 cl, 2 dwg, 1 tbl, 1 ex
Изобретение относится к получению углеграфитового композиционного материала. Способ включает дегазацию пористой углеграфитовой заготовки, ее пропитку расплавом матричного сплава свинца под воздействием избыточного давления за счет термического расширения расплава при нагреве выше температуры ликвидус сплава свинца. Дегазацию проводят до погружения пористой заготовки в расплав матричного сплава, а перед пропиткой пористую заготовку покрывают двухслойным гальваническим покрытием, состоящим из внутреннего медного и наружного кадмиевого слоев. Обеспечивается повышение качества композиционного материала. 2 ил., 1 табл., 1 пр. |
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Изобретение относится к получению углеграфитового композиционного материала. Способ включает дегазацию пористой углеграфитовой заготовки, ее пропитку расплавом матричного сплава свинца под воздействием избыточного давления за счет термического расширения расплава при нагреве выше температуры ликвидус сплава свинца. Дегазацию проводят до погружения пористой заготовки в расплав матричного сплава, а перед пропиткой пористую заготовку покрывают двухслойным гальваническим покрытием, состоящим из внутреннего медного и наружного кадмиевого слоев. Обеспечивается повышение качества композиционного материала. 2 ил., 1 табл., 1 пр.</description><language>eng ; rus</language><subject>ALLOYS ; CASTING ; CHEMISTRY ; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; FERROUS OR NON-FERROUS ALLOYS ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; MAKING METALLIC POWDER ; MANUFACTURE OF ARTICLES FROM METALLIC POWDER ; METALLURGY ; PERFORMING OPERATIONS ; POWDER METALLURGY ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; VEHICLES IN GENERAL ; WORKING METALLIC POWDER</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190521&DB=EPODOC&CC=RU&NR=2688479C1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190521&DB=EPODOC&CC=RU&NR=2688479C1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Gulevskij Viktor Aleksandrovich</creatorcontrib><creatorcontrib>Miroshkin Nikolaj Yurevich</creatorcontrib><title>METHOD FOR INCREASING PERMEABILITY OF PORES OF GRAPHITE WORKPIECE</title><description>FIELD: metallurgy.SUBSTANCE: invention relates to production of coal-graphite composite material. Method includes degassing of porous coal-graphite billet, its impregnation with melt of matrix alloy of lead under action of excessive pressure due to thermal expansion of melt at heating above temperature of liquidus of lead alloy. Degassing is performed before immersion of porous workpiece into melt of matrix alloy, and before impregnation porous billet is covered with double-layer galvanic coating consisting of internal copper and external cadmium layers.EFFECT: higher quality of composite material.1 cl, 2 dwg, 1 tbl, 1 ex
Изобретение относится к получению углеграфитового композиционного материала. Способ включает дегазацию пористой углеграфитовой заготовки, ее пропитку расплавом матричного сплава свинца под воздействием избыточного давления за счет термического расширения расплава при нагреве выше температуры ликвидус сплава свинца. Дегазацию проводят до погружения пористой заготовки в расплав матричного сплава, а перед пропиткой пористую заготовку покрывают двухслойным гальваническим покрытием, состоящим из внутреннего медного и наружного кадмиевого слоев. Обеспечивается повышение качества композиционного материала. 2 ил., 1 табл., 1 пр.</description><subject>ALLOYS</subject><subject>CASTING</subject><subject>CHEMISTRY</subject><subject>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES</subject><subject>ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</subject><subject>MAKING METALLIC POWDER</subject><subject>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>VEHICLES IN GENERAL</subject><subject>WORKING METALLIC POWDER</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD0dQ3x8HdRcPMPUvD0cw5ydQz29HNXCHAN8nV1dPL08QyJVPB3UwjwD3INBjHcgxwDPDxDXBXC_YO8AzxdnV15GFjTEnOKU3mhNDeDgptriLOHbmpBfnxqcUFicmpeakl8UKiRmYWFibmls6ExEUoAibYq0g</recordid><startdate>20190521</startdate><enddate>20190521</enddate><creator>Gulevskij Viktor Aleksandrovich</creator><creator>Miroshkin Nikolaj Yurevich</creator><scope>EVB</scope></search><sort><creationdate>20190521</creationdate><title>METHOD FOR INCREASING PERMEABILITY OF PORES OF GRAPHITE WORKPIECE</title><author>Gulevskij Viktor Aleksandrovich ; Miroshkin Nikolaj Yurevich</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2688479C13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; rus</language><creationdate>2019</creationdate><topic>ALLOYS</topic><topic>CASTING</topic><topic>CHEMISTRY</topic><topic>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES</topic><topic>ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</topic><topic>MAKING METALLIC POWDER</topic><topic>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>VEHICLES IN GENERAL</topic><topic>WORKING METALLIC POWDER</topic><toplevel>online_resources</toplevel><creatorcontrib>Gulevskij Viktor Aleksandrovich</creatorcontrib><creatorcontrib>Miroshkin Nikolaj Yurevich</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Gulevskij Viktor Aleksandrovich</au><au>Miroshkin Nikolaj Yurevich</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR INCREASING PERMEABILITY OF PORES OF GRAPHITE WORKPIECE</title><date>2019-05-21</date><risdate>2019</risdate><abstract>FIELD: metallurgy.SUBSTANCE: invention relates to production of coal-graphite composite material. Method includes degassing of porous coal-graphite billet, its impregnation with melt of matrix alloy of lead under action of excessive pressure due to thermal expansion of melt at heating above temperature of liquidus of lead alloy. Degassing is performed before immersion of porous workpiece into melt of matrix alloy, and before impregnation porous billet is covered with double-layer galvanic coating consisting of internal copper and external cadmium layers.EFFECT: higher quality of composite material.1 cl, 2 dwg, 1 tbl, 1 ex
Изобретение относится к получению углеграфитового композиционного материала. Способ включает дегазацию пористой углеграфитовой заготовки, ее пропитку расплавом матричного сплава свинца под воздействием избыточного давления за счет термического расширения расплава при нагреве выше температуры ликвидус сплава свинца. Дегазацию проводят до погружения пористой заготовки в расплав матричного сплава, а перед пропиткой пористую заготовку покрывают двухслойным гальваническим покрытием, состоящим из внутреннего медного и наружного кадмиевого слоев. Обеспечивается повышение качества композиционного материала. 2 ил., 1 табл., 1 пр.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CASTING CHEMISTRY ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL FERROUS OR NON-FERROUS ALLOYS MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS VEHICLES IN GENERAL WORKING METALLIC POWDER |
| title | METHOD FOR INCREASING PERMEABILITY OF PORES OF GRAPHITE WORKPIECE |
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