PRODUCTION OF SN-TA ALLOY

PURPOSE:To obtain a homogeneous Sn-Ta alloy having the prescribed composition ratio by adding and melting powdered Ta to and in molten Sn at a temp. in a specific range in an inert-gas atmosphere and then carrying out casting at a temp. in a specific range. CONSTITUTION:A high frequency melting furn...

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1. Verfasser:	NAKABAYASHI YOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONDUCTORS ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY INSULATORS METALLURGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator	NAKABAYASHI YOSHIAKI
description	PURPOSE:To obtain a homogeneous Sn-Ta alloy having the prescribed composition ratio by adding and melting powdered Ta to and in molten Sn at a temp. in a specific range in an inert-gas atmosphere and then carrying out casting at a temp. in a specific range. CONSTITUTION:A high frequency melting furnace, etc., capable of holding an inert-gas atmosphere are used. Pure Sn is melted, and powdered Ta is added to the resulting molten Sn at 700-1800 deg.C and melted. Subsequently, the above molten Sn is agitated and held for the prescribed length of time, and, after slag is removed from the molten metal surface, casting is carried out at 650-1800 deg.C. By this method, the homogeneous Sn-Ta alloy containing 0.3-6.0wt.% Ta can be obtained. This alloy is used for the production of commercial Nb3Sn superconducting wires.
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CONSTITUTION:A high frequency melting furnace, etc., capable of holding an inert-gas atmosphere are used. Pure Sn is melted, and powdered Ta is added to the resulting molten Sn at 700-1800 deg.C and melted. Subsequently, the above molten Sn is agitated and held for the prescribed length of time, and, after slag is removed from the molten metal surface, casting is carried out at 650-1800 deg.C. By this method, the homogeneous Sn-Ta alloy containing 0.3-6.0wt.% Ta can be obtained. 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CONSTITUTION:A high frequency melting furnace, etc., capable of holding an inert-gas atmosphere are used. Pure Sn is melted, and powdered Ta is added to the resulting molten Sn at 700-1800 deg.C and melted. Subsequently, the above molten Sn is agitated and held for the prescribed length of time, and, after slag is removed from the molten metal surface, casting is carried out at 650-1800 deg.C. By this method, the homogeneous Sn-Ta alloy containing 0.3-6.0wt.% Ta can be obtained. This alloy is used for the production of commercial Nb3Sn superconducting wires.</description><subject>ALLOYS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CABLES</subject><subject>CHEMISTRY</subject><subject>COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F</subject><subject>CONDUCTORS</subject><subject>ELECTRICITY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>INORGANIC CHEMISTRY</subject><subject>INSULATORS</subject><subject>METALLURGY</subject><subject>SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1991</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAMCPJ3CXUO8fT3U_B3Uwj20w1xVHD08fGP5GFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8V4BHgbGhubmpkbGjsbEqAEAEa8gGg</recordid><startdate>19910801</startdate><enddate>19910801</enddate><creator>NAKABAYASHI YOSHIAKI</creator><scope>EVB</scope></search><sort><creationdate>19910801</creationdate><title>PRODUCTION OF SN-TA ALLOY</title><author>NAKABAYASHI YOSHIAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH03177523A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1991</creationdate><topic>ALLOYS</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CABLES</topic><topic>CHEMISTRY</topic><topic>COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F</topic><topic>CONDUCTORS</topic><topic>ELECTRICITY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>INORGANIC CHEMISTRY</topic><topic>INSULATORS</topic><topic>METALLURGY</topic><topic>SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>NAKABAYASHI YOSHIAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NAKABAYASHI YOSHIAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRODUCTION OF SN-TA ALLOY</title><date>1991-08-01</date><risdate>1991</risdate><abstract>PURPOSE:To obtain a homogeneous Sn-Ta alloy having the prescribed composition ratio by adding and melting powdered Ta to and in molten Sn at a temp. in a specific range in an inert-gas atmosphere and then carrying out casting at a temp. in a specific range. CONSTITUTION:A high frequency melting furnace, etc., capable of holding an inert-gas atmosphere are used. Pure Sn is melted, and powdered Ta is added to the resulting molten Sn at 700-1800 deg.C and melted. Subsequently, the above molten Sn is agitated and held for the prescribed length of time, and, after slag is removed from the molten metal surface, casting is carried out at 650-1800 deg.C. By this method, the homogeneous Sn-Ta alloy containing 0.3-6.0wt.% Ta can be obtained. This alloy is used for the production of commercial Nb3Sn superconducting wires.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ALLOYS BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONDUCTORS ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY INSULATORS METALLURGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TREATMENT OF ALLOYS OR NON-FERROUS METALS
title	PRODUCTION OF SN-TA ALLOY
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