DIRECTIONAL SOLIDIFICATION CASTING METHOD WHICH PREVENTS FEATHER CRYSTAL
PURPOSE:To prevent the generation of feather crystals and to improve mechanical properties by incorporating a specific ratio of Sr into the melt of an Al alloy. CONSTITUTION:After the melt of the Al alloy is poured into a casting mold, the molten metal is successively cooled from one end toward the...
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creator | KITAHARA YASUHISA TAKEBAYASHI YOSHIKI NISHIKAWA KATSUSHI OZAKI KOICHI |
description | PURPOSE:To prevent the generation of feather crystals and to improve mechanical properties by incorporating a specific ratio of Sr into the melt of an Al alloy. CONSTITUTION:After the melt of the Al alloy is poured into a casting mold, the molten metal is successively cooled from one end toward the riser part of the casting mold and a casting is produced by the directional solidification toward the riser part. The Sr is incorporated at 10 to 80ppm into the melt of the Al alloy in this case. The use of Al-Sr alloys, such as Al-90% Sr, Al-8% Sr, Al-3.5% Sr-1% Ti-0.2% B or base alloys such as Al-Sr-Ti-B alloys combined with a Ti-B alloy allows easy addition and is good in the yield of the addition and is, therefore, preferable as the method for adding the Sr to the molten metal. |
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CONSTITUTION:After the melt of the Al alloy is poured into a casting mold, the molten metal is successively cooled from one end toward the riser part of the casting mold and a casting is produced by the directional solidification toward the riser part. The Sr is incorporated at 10 to 80ppm into the melt of the Al alloy in this case. The use of Al-Sr alloys, such as Al-90% Sr, Al-8% Sr, Al-3.5% Sr-1% Ti-0.2% B or base alloys such as Al-Sr-Ti-B alloys combined with a Ti-B alloy allows easy addition and is good in the yield of the addition and is, therefore, preferable as the method for adding the Sr to the molten metal.</description><language>eng</language><subject>ALLOYS ; CASTING ; CASTING OF METALS ; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PERFORMING OPERATIONS ; POWDER METALLURGY ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>1991</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=19910617&DB=EPODOC&CC=JP&NR=H03142059A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19910617&DB=EPODOC&CC=JP&NR=H03142059A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KITAHARA YASUHISA</creatorcontrib><creatorcontrib>TAKEBAYASHI YOSHIKI</creatorcontrib><creatorcontrib>NISHIKAWA KATSUSHI</creatorcontrib><creatorcontrib>OZAKI KOICHI</creatorcontrib><title>DIRECTIONAL SOLIDIFICATION CASTING METHOD WHICH PREVENTS FEATHER CRYSTAL</title><description>PURPOSE:To prevent the generation of feather crystals and to improve mechanical properties by incorporating a specific ratio of Sr into the melt of an Al alloy. CONSTITUTION:After the melt of the Al alloy is poured into a casting mold, the molten metal is successively cooled from one end toward the riser part of the casting mold and a casting is produced by the directional solidification toward the riser part. The Sr is incorporated at 10 to 80ppm into the melt of the Al alloy in this case. The use of Al-Sr alloys, such as Al-90% Sr, Al-8% Sr, Al-3.5% Sr-1% Ti-0.2% B or base alloys such as Al-Sr-Ti-B alloys combined with a Ti-B alloy allows easy addition and is good in the yield of the addition and is, therefore, preferable as the method for adding the Sr to the molten metal.</description><subject>ALLOYS</subject><subject>CASTING</subject><subject>CASTING OF METALS</subject><subject>CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>TRANSPORTING</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>eNrjZPBw8QxydQ7x9Pdz9FEI9vfxdPF083R2BAkoODsGh3j6uSv4uoZ4-LsohHt4OnsoBAS5hrn6hQQruLk6hni4Bik4B0UGhzj68DCwpiXmFKfyQmluBkU31xBnD93Ugvz41OKCxOTUvNSSeK8ADwNjQxMjA1NLR2Ni1AAAMSktVQ</recordid><startdate>19910617</startdate><enddate>19910617</enddate><creator>KITAHARA YASUHISA</creator><creator>TAKEBAYASHI YOSHIKI</creator><creator>NISHIKAWA KATSUSHI</creator><creator>OZAKI KOICHI</creator><scope>EVB</scope></search><sort><creationdate>19910617</creationdate><title>DIRECTIONAL SOLIDIFICATION CASTING METHOD WHICH PREVENTS FEATHER CRYSTAL</title><author>KITAHARA YASUHISA ; TAKEBAYASHI YOSHIKI ; NISHIKAWA KATSUSHI ; OZAKI KOICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH03142059A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1991</creationdate><topic>ALLOYS</topic><topic>CASTING</topic><topic>CASTING OF METALS</topic><topic>CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>KITAHARA YASUHISA</creatorcontrib><creatorcontrib>TAKEBAYASHI YOSHIKI</creatorcontrib><creatorcontrib>NISHIKAWA KATSUSHI</creatorcontrib><creatorcontrib>OZAKI KOICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KITAHARA YASUHISA</au><au>TAKEBAYASHI YOSHIKI</au><au>NISHIKAWA KATSUSHI</au><au>OZAKI KOICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DIRECTIONAL SOLIDIFICATION CASTING METHOD WHICH PREVENTS FEATHER CRYSTAL</title><date>1991-06-17</date><risdate>1991</risdate><abstract>PURPOSE:To prevent the generation of feather crystals and to improve mechanical properties by incorporating a specific ratio of Sr into the melt of an Al alloy. CONSTITUTION:After the melt of the Al alloy is poured into a casting mold, the molten metal is successively cooled from one end toward the riser part of the casting mold and a casting is produced by the directional solidification toward the riser part. The Sr is incorporated at 10 to 80ppm into the melt of the Al alloy in this case. The use of Al-Sr alloys, such as Al-90% Sr, Al-8% Sr, Al-3.5% Sr-1% Ti-0.2% B or base alloys such as Al-Sr-Ti-B alloys combined with a Ti-B alloy allows easy addition and is good in the yield of the addition and is, therefore, preferable as the method for adding the Sr to the molten metal.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | ALLOYS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS |
title | DIRECTIONAL SOLIDIFICATION CASTING METHOD WHICH PREVENTS FEATHER CRYSTAL |
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