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PROCESS FOR PRODUCING POROUS METAL, POROUS METAL, AND POROUS METALLIC STRUCTURE

外国特許コード F070001572
整理番号 F070001572
掲載日 2007年4月6日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2006JP302344
国際公開番号 WO 2006/087973
国際出願日 平成18年2月10日(2006.2.10)
国際公開日 平成18年8月24日(2006.8.24)
優先権データ
  • 特願2005-043120 (2005.2.18) JP
発明の名称 (英語) PROCESS FOR PRODUCING POROUS METAL, POROUS METAL, AND POROUS METALLIC STRUCTURE
発明の概要(英語) A porous metal having pores continuously extending in one direction; and an inexpensive process for easily producing the porous metal with small energy consumption. The following steps are conducted in the following order: a mixing step (I) in which a metal powder (M) is mixed with a salt powder (P) to obtain a mixture (MP); a stretch forming step (III) in which the mixture (MP) is stretched by the extrusion method to obtain a molding (G); and a salt removal step (IV) in which the salt is dissolved away from the molding (G). The stretch forming step (III) is conducted while keeping the mixture heated at a temperature not higher than the melting points of the metal powder (M) and salt powder (P). Since the metal powder (M) and the salt powder (P) are mixed and molded by stretching, the metal powder (M) and the salt powder (P) are simultaneously stretched and, during the stretching, particles of the metal powder (M) are bonded to one another and united together. Simultaneously therewith, the salt powder (P) in a stretched state comes to be present in the metallic object. Because of this, by subsequently washing away the salt powder, a porous metal having pores continuously extending in one direction can be produced.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • The University Of Tokushima
  • 発明者(英語)
  • Tada, Yoshihiro
国際特許分類(IPC)
指定国 AE AG AL AM AT AU AZ BA BB BE BF BG BJ BR BW BY BZ CA CF CG CH CI CM CN CO CR CU CY CZ DE DK DM DZ EC EE EG ES FI FR GA GB GD GE GH GM GN GQ GR GW HR HU ID IE IL IN IS IT JP KE KG KM KN KP KR KZ LC LK LR LS LT LU LV LY MA MC MD MG MK ML MN MR MW MX MZ NA NE NG NI NL NO NZ OM PG PH PL PT RO RU SC SD SE SG SI SK SL SM SN SY SZ TD TG TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW
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