Metal particle and method for producing the same, coated metal particle, metal powder

Provided are metal particles configured from Cu and trace elements, in which the grain diameter of the particles is 10-1,000 [mu]m, the mass ratio of Cu as measured by GDMS analysis exceeds 99.995%, and the total mass ratio of P and S among the trace elements is 3-30 ppm. Also provided is manufactur...

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1. Verfasser:	WAKANO, MOTOKI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CASTING CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F INORGANIC CHEMISTRY MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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creator	WAKANO, MOTOKI
description	Provided are metal particles configured from Cu and trace elements, in which the grain diameter of the particles is 10-1,000 [mu]m, the mass ratio of Cu as measured by GDMS analysis exceeds 99.995%, and the total mass ratio of P and S among the trace elements is 3-30 ppm. Also provided is manufacturing method including: a step for melting, in a crucible, a metal material in which Cu exceeds 99.995% as measured by GDMS analysis and the total of P and S is 3-30 ppm to produce a molten metal material; a step for applying a pressure of 0.05-1.0 MPa inside the crucible, and dropping the molten metal material from an orifice 5-1,000 [mu]m in diameter, to produce molten metal droplets; and a step for rapidly solidifying the molten metal droplets in an inert gas having an oxygen concentration of 1,000 ppm or less to produce metal particles having a grain diameter of 10-1,000 [mu]m.
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Also provided is manufacturing method including: a step for melting, in a crucible, a metal material in which Cu exceeds 99.995% as measured by GDMS analysis and the total of P and S is 3-30 ppm to produce a molten metal material; a step for applying a pressure of 0.05-1.0 MPa inside the crucible, and dropping the molten metal material from an orifice 5-1,000 [mu]m in diameter, to produce molten metal droplets; and a step for rapidly solidifying the molten metal droplets in an inert gas having an oxygen concentration of 1,000 ppm or less to produce metal particles having a grain diameter of 10-1,000 [mu]m.</description><language>chi ; eng</language><subject>CASTING ; CHEMISTRY ; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ; INORGANIC CHEMISTRY ; MAKING METALLIC POWDER ; MANUFACTURE OF ARTICLES FROM METALLIC POWDER ; METALLURGY ; PERFORMING OPERATIONS ; POWDER METALLURGY ; TRANSPORTING ; 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=20170116&DB=EPODOC&CC=TW&NR=201702183A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25566,76549</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170116&DB=EPODOC&CC=TW&NR=201702183A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WAKANO, MOTOKI</creatorcontrib><title>Metal particle and method for producing the same, coated metal particle, metal powder</title><description>Provided are metal particles configured from Cu and trace elements, in which the grain diameter of the particles is 10-1,000 [mu]m, the mass ratio of Cu as measured by GDMS analysis exceeds 99.995%, and the total mass ratio of P and S among the trace elements is 3-30 ppm. 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Also provided is manufacturing method including: a step for melting, in a crucible, a metal material in which Cu exceeds 99.995% as measured by GDMS analysis and the total of P and S is 3-30 ppm to produce a molten metal material; a step for applying a pressure of 0.05-1.0 MPa inside the crucible, and dropping the molten metal material from an orifice 5-1,000 [mu]m in diameter, to produce molten metal droplets; and a step for rapidly solidifying the molten metal droplets in an inert gas having an oxygen concentration of 1,000 ppm or less to produce metal particles having a grain diameter of 10-1,000 [mu]m.</abstract><oa>free_for_read</oa></addata></record>
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language	chi ; eng
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subjects	CASTING CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F INORGANIC CHEMISTRY MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
title	Metal particle and method for producing the same, coated metal particle, metal powder
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