Development of Ceramic Molds Suitable for High-speed Centrifugal Casting
A new type of centrifugal casting process is developed using conventional high-speed centrifuge. Developed process has characteristic of huge centrifugal acceleration of up to several thousand G during the casting. Alumina molds, compacted by high-speed centrifugal compaction and slightly sintered t...
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| Veröffentlicht in: | Journal of the Japan Society of Powder and Powder Metallurgy 2018-11, Vol.65 (11), p.725-729 |
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| container_end_page | 729 |
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| container_issue | 11 |
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| container_title | Journal of the Japan Society of Powder and Powder Metallurgy |
| container_volume | 65 |
| creator | Y. SUZUKI, Hiroyuki TANAKA, Ryuto |
| description | A new type of centrifugal casting process is developed using conventional high-speed centrifuge. Developed process has characteristic of huge centrifugal acceleration of up to several thousand G during the casting. Alumina molds, compacted by high-speed centrifugal compaction and slightly sintered to porous bodies, are used. Alumina molds must be soaked completely into molten metal during casting, since by such configuration the pressure around the molds is balanced as quasi-isotropic hydraulic pressure to prevent mold collapse. Weak molds realize, on the other hand, easier demolding. Impregnation of the molten metal into pores of the molds can be predicted by Washburn’s equation. High-speed centrifugal casting realizes very precise shape transferability of several microns. An ant’s complex eyes and tiny hears on the legs are accurately reprinted onto Sn-Bi eutectic alloy cast. |
| doi_str_mv | 10.2497/jjspm.65.725 |
| format | Article |
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SUZUKI, Hiroyuki ; TANAKA, Ryuto</creator><creatorcontrib>Y. SUZUKI, Hiroyuki ; TANAKA, Ryuto</creatorcontrib><description>A new type of centrifugal casting process is developed using conventional high-speed centrifuge. Developed process has characteristic of huge centrifugal acceleration of up to several thousand G during the casting. Alumina molds, compacted by high-speed centrifugal compaction and slightly sintered to porous bodies, are used. Alumina molds must be soaked completely into molten metal during casting, since by such configuration the pressure around the molds is balanced as quasi-isotropic hydraulic pressure to prevent mold collapse. Weak molds realize, on the other hand, easier demolding. Impregnation of the molten metal into pores of the molds can be predicted by Washburn’s equation. High-speed centrifugal casting realizes very precise shape transferability of several microns. 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High-speed centrifugal casting realizes very precise shape transferability of several microns. An ant’s complex eyes and tiny hears on the legs are accurately reprinted onto Sn-Bi eutectic alloy cast.</description><subject>Acceleration</subject><subject>Aluminum oxide</subject><subject>Casting</subject><subject>Centrifugal casting</subject><subject>Ceramic mold casting</subject><subject>Collapse</subject><subject>Eutectic alloys</subject><subject>High speed</subject><subject>Hydraulic pressure</subject><subject>Pressure casting</subject><subject>Sintering (powder metallurgy)</subject><issn>0532-8799</issn><issn>1880-9014</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNotkEtLxDAUhYMoOIyz8wcE3NqaR5M0S6mPEUZcqOuQtDdjh7apSSv4762OqwuHj3MuH0KXlOSs0OrmcEhjn0uRKyZO0IqWJck0ocUpWhHBWVYqrc_RJqXWEcKkIrrUK7S9gy_owtjDMOHgcQXR9m2Nn0PXJPw6t5N1HWAfIt62-48sjQDNQg1TbP28tx2ubJraYX-BzrztEmz-7xq9P9y_Vdts9_L4VN3uspqXRGRUSw_aEyWoXr5WjvBGuKIoa2ulFqAocVA7qaUgwO2SQwNSCud1XTvq-BpdHXvHGD5nSJM5hDkOy6RhjDMqeKHZQl0fqTqGlCJ4M8a2t_HbUGJ-dZk_XUYKs-jiP1RTXfs</recordid><startdate>20181115</startdate><enddate>20181115</enddate><creator>Y. SUZUKI, Hiroyuki</creator><creator>TANAKA, Ryuto</creator><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20181115</creationdate><title>Development of Ceramic Molds Suitable for High-speed Centrifugal Casting</title><author>Y. SUZUKI, Hiroyuki ; TANAKA, Ryuto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3805-196fe9f075194977b03d5b448caa695e710becb69650e3a48cede665bf9ccb1b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Acceleration</topic><topic>Aluminum oxide</topic><topic>Casting</topic><topic>Centrifugal casting</topic><topic>Ceramic mold casting</topic><topic>Collapse</topic><topic>Eutectic alloys</topic><topic>High speed</topic><topic>Hydraulic pressure</topic><topic>Pressure casting</topic><topic>Sintering (powder metallurgy)</topic><toplevel>online_resources</toplevel><creatorcontrib>Y. SUZUKI, Hiroyuki</creatorcontrib><creatorcontrib>TANAKA, Ryuto</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the Japan Society of Powder and Powder Metallurgy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Y. 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Alumina molds must be soaked completely into molten metal during casting, since by such configuration the pressure around the molds is balanced as quasi-isotropic hydraulic pressure to prevent mold collapse. Weak molds realize, on the other hand, easier demolding. Impregnation of the molten metal into pores of the molds can be predicted by Washburn’s equation. High-speed centrifugal casting realizes very precise shape transferability of several microns. An ant’s complex eyes and tiny hears on the legs are accurately reprinted onto Sn-Bi eutectic alloy cast.</abstract><cop>Kyoto</cop><pub>Japan Science and Technology Agency</pub><doi>10.2497/jjspm.65.725</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0532-8799 |
| ispartof | Journal of the Japan Society of Powder and Powder Metallurgy, 2018-11, Vol.65 (11), p.725-729 |
| issn | 0532-8799 1880-9014 |
| language | eng |
| recordid | cdi_proquest_journals_2232153492 |
| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | Acceleration Aluminum oxide Casting Centrifugal casting Ceramic mold casting Collapse Eutectic alloys High speed Hydraulic pressure Pressure casting Sintering (powder metallurgy) |
| title | Development of Ceramic Molds Suitable for High-speed Centrifugal Casting |
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