J. Prou, K. Kishimoto, K. Inaba, A. Constantinescu
{"title":"薄膜杨氏模量计算中多重压痕卸载曲线的逆分析","authors":"J. Prou, K. Kishimoto, K. Inaba, A. Constantinescu","doi":"10.11345/NCTAM.60.249","DOIUrl":null,"url":null,"abstract":"The Oliver and Pharr method is the prevailing process for thin films Young's modulus evaluation. Introduced initially for homogeneous materials, this method does not account for the substrate and can consequently lead to significant error, especially at large indentation depths. We suggest here possible methods to improve the accuracy by making use of inverse analysis and finite element computations of the one layer elastic indentation problem.","PeriodicalId":330369,"journal":{"name":"Theoretical and applied mechanics Japan","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Inverse Analysis of Multiple Indentation Unloading Curves for Thin Film Young's Modulus Evaluation\",\"authors\":\"J. Prou, K. Kishimoto, K. Inaba, A. Constantinescu\",\"doi\":\"10.11345/NCTAM.60.249\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The Oliver and Pharr method is the prevailing process for thin films Young's modulus evaluation. Introduced initially for homogeneous materials, this method does not account for the substrate and can consequently lead to significant error, especially at large indentation depths. We suggest here possible methods to improve the accuracy by making use of inverse analysis and finite element computations of the one layer elastic indentation problem.\",\"PeriodicalId\":330369,\"journal\":{\"name\":\"Theoretical and applied mechanics Japan\",\"volume\":\"2 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-02-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Theoretical and applied mechanics Japan\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.11345/NCTAM.60.249\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Theoretical and applied mechanics Japan","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.11345/NCTAM.60.249","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Inverse Analysis of Multiple Indentation Unloading Curves for Thin Film Young's Modulus Evaluation
The Oliver and Pharr method is the prevailing process for thin films Young's modulus evaluation. Introduced initially for homogeneous materials, this method does not account for the substrate and can consequently lead to significant error, especially at large indentation depths. We suggest here possible methods to improve the accuracy by making use of inverse analysis and finite element computations of the one layer elastic indentation problem.
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