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SURFACE MODIFICATION METHOD FOR CARBON STEEL

外国特許コード F140007981
整理番号 S2012-0971-C0
掲載日 2014年9月26日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2013JP071294
国際公開番号 WO 2014024899
国際出願日 平成25年7月31日(2013.7.31)
国際公開日 平成26年2月13日(2014.2.13)
優先権データ
  • 特願2012-174839 (2012.8.7) JP
発明の名称 (英語) SURFACE MODIFICATION METHOD FOR CARBON STEEL
発明の概要(英語) The present invention relates to a surface modification method for carbon steel, by which surface modified steel having both corrosion resistance and abrasion resistance in seawater is obtained. A surface modification method for carbon steel, wherein processing for embedding hard powder harder than a round shaft of the carbon steel in the surface of the round shaft of the carbon steel is performed by rotating the round shaft, bringing the tip of a tool into contact with the outer peripheral surface of the round shaft, relatively moving the round shaft and the tool in the axial direction of the round shaft while rotating the tool, and supplying the hard powder into a contact portion between the round shaft and the tool, processing for embedding metal in the surface of the round shaft is performed by rotating the round shaft in which the hard powder is embedded, bringing the tip of a pin containing metal having a higher ionization tendency than the carbon steel into contact with the outer peripheral surface of the round shaft, and relatively moving the round shaft and the pin in the axial direction of the round shaft while rotating the pin, and thereby a hard film and a metal film coexist on the surface of the round shaft.
  • 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
  • TOKYO UNIVERSITY OF MARINE SCIENCE AND TECHNOLOGY
  • HITACHI CONSTRUCTION MACHINERY CO., LTD.
  • 発明者(英語)
  • SHIMA MASAYUKI
  • SUGAWARA TAKASHI
  • AKITA HIDEKI
  • SUZUKI MOTOSHI
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IS JP KE KG KN KP KR KZ LA LC LK LR LS LT LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN TD TG

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