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STRESS AND STRAIN AMOUNT DISTRIBUTION DISPLAY METHOD, DEVICE, AND PROGRAM

外国特許コード F210010311
整理番号 J1037-01-2WO
掲載日 2021年1月29日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2020JP023458
国際公開番号 WO 2020262087
国際出願日 令和2年6月15日(2020.6.15)
国際公開日 令和2年12月30日(2020.12.30)
優先権データ
  • 特願2019-118848 (2019.6.26) JP
発明の名称 (英語) STRESS AND STRAIN AMOUNT DISTRIBUTION DISPLAY METHOD, DEVICE, AND PROGRAM
発明の概要(英語) This method for displaying the stress distribution on a sample surface comprises a step S4 for photographing images of a sample surface before and during the application of a load and after the removal of the load, a step S5 for measuring first strain amounts for each pixel position on the basis of the correlation between the image before the load application and the image after the load removal, a step S6 for measuring second strain amounts for each pixel position on the basis of the correlation between the image before the load application and the image during the load application, a step S7 for calculating stresses for each pixel position on the basis of the differences between the first strain amounts and second strain amounts, and a step S8 for displaying the distribution of the calculated stresses at each pixel position.
従来技術、競合技術の概要(英語) BACKGROUND ART
A digital image correlation method (Digital Image Correlation, hereinafter referred to as "DIC", is available as a technique for measuring the strain amount distribution caused by deformation of the material surface (, such as Patent Document 1).
  • 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
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • PARK Myeong-heom
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 DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JO JP KE KG KH KN KP KR KW KZ LA LC LK LR LS 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 SA SC SD SE SG SK SL ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN WS ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL ST 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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