Preparation method of La2O3-doped Mo negative electrode material for magnetron

The invention relates to a preparation method of a La2O3-doped Mo negative electrode material for a magnetron, and belongs to the technical field of a rare-earth refractory metal negative electrode. A rare-earth active substance La2O3 is doped in a Mo substrate, the addition total amount of the rare...

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Hauptverfasser:	ZHOU MEILING, ZUO TIEYONG, ZHANG JIE, TIAN MINGCHUANG, WANG JINSHU, DONG LIRAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CASTING CHEMISTRY ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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creator	ZHOU MEILING ZUO TIEYONG ZHANG JIE TIAN MINGCHUANG WANG JINSHU DONG LIRAN
description	The invention relates to a preparation method of a La2O3-doped Mo negative electrode material for a magnetron, and belongs to the technical field of a rare-earth refractory metal negative electrode. A rare-earth active substance La2O3 is doped in a Mo substrate, the addition total amount of the rare-earth active substance accounts for 2.0-5.0wt%, and the balance is Mo. The preparation method comprises the steps of preparing La2O3-doped MoO3 powder by liquid-liquid doping sol-gel method, and preparing a La2O3-doped Mo rod by reduction, compression and sintering processes on oxide powder; performing spin-calcining, drawing, annealing, filament washing, winding, shaping and cutting processes on the Mo rod to obtain an uncarbonated La2O3-doped Mo negative electrode for the magnetron; performing a high-temperature instantaneous carbonization process on the negative electrode to obtain a La2O3-doped Mo filament negative electrode material with high carbonization degree for the magnetron; and performing a high-tempe
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A rare-earth active substance La2O3 is doped in a Mo substrate, the addition total amount of the rare-earth active substance accounts for 2.0-5.0wt%, and the balance is Mo. The preparation method comprises the steps of preparing La2O3-doped MoO3 powder by liquid-liquid doping sol-gel method, and preparing a La2O3-doped Mo rod by reduction, compression and sintering processes on oxide powder; performing spin-calcining, drawing, annealing, filament washing, winding, shaping and cutting processes on the Mo rod to obtain an uncarbonated La2O3-doped Mo negative electrode for the magnetron; performing a high-temperature instantaneous carbonization process on the negative electrode to obtain a La2O3-doped Mo filament negative electrode material with high carbonization degree for the magnetron; and performing a high-tempe</description><language>chi ; eng</language><subject>ALLOYS ; BASIC ELECTRIC ELEMENTS ; CASTING ; CHEMISTRY ; ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ; ELECTRICITY ; FERROUS OR NON-FERROUS ALLOYS ; MAKING METALLIC POWDER ; MANUFACTURE OF ARTICLES FROM METALLIC POWDER ; METALLURGY ; PERFORMING OPERATIONS ; POWDER METALLURGY ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WORKING METALLIC POWDER</subject><creationdate>2017</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=20170111&DB=EPODOC&CC=CN&NR=106328468A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170111&DB=EPODOC&CC=CN&NR=106328468A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHOU MEILING</creatorcontrib><creatorcontrib>ZUO TIEYONG</creatorcontrib><creatorcontrib>ZHANG JIE</creatorcontrib><creatorcontrib>TIAN MINGCHUANG</creatorcontrib><creatorcontrib>WANG JINSHU</creatorcontrib><creatorcontrib>DONG LIRAN</creatorcontrib><title>Preparation method of La2O3-doped Mo negative electrode material for magnetron</title><description>The invention relates to a preparation method of a La2O3-doped Mo negative electrode material for a magnetron, and belongs to the technical field of a rare-earth refractory metal negative electrode. 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subjects	ALLOYS BASIC ELECTRIC ELEMENTS CASTING CHEMISTRY ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
title	Preparation method of La2O3-doped Mo negative electrode material for magnetron
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