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Spherical Indentation Test to Determine Metal Properties Using Representative Strain Concept: A Review
Depth-sensing instrumented indentation test or hardness test is a very easy, quick and inexpensive, semi-destructive technique that can be used to determine the mechanical properties of materials on small scales (on nano or micrometer scales). During the past two decades, inverse analysis methods were developed to determine the true stress–strain behaviors of materials from the load–displacement curve of indentation. Among those methods, many researchers have widely used the representative \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\left( {\varepsilon_{r} } \right)$$\end{document} strain approach with dimensional analysis to get the relationships between indentation responses and material properties since it reduces the number of apparent unknown variables in the \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\pi$$\end{document} functions. However, the methods proposed in those studies are valid only for the power-law engineering materials without a plastic plateau in their true stress–strain behavior like most engineering metals. This paper has reviewed the usage of the representative strain approach with spherical indentation to determine the metal properties. In order to develop an inverse analysis method based on spherical indentation in determining the material properties of unknown steel material, the latter part of the paper has focused on exploring the feasibility of using the representative strain approach for power-law engineering materials with a plastic plateau.
Spherical Indentation Test to Determine Metal Properties Using Representative Strain Concept: A Review
Depth-sensing instrumented indentation test or hardness test is a very easy, quick and inexpensive, semi-destructive technique that can be used to determine the mechanical properties of materials on small scales (on nano or micrometer scales). During the past two decades, inverse analysis methods were developed to determine the true stress–strain behaviors of materials from the load–displacement curve of indentation. Among those methods, many researchers have widely used the representative \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\left( {\varepsilon_{r} } \right)$$\end{document} strain approach with dimensional analysis to get the relationships between indentation responses and material properties since it reduces the number of apparent unknown variables in the \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\pi$$\end{document} functions. However, the methods proposed in those studies are valid only for the power-law engineering materials without a plastic plateau in their true stress–strain behavior like most engineering metals. This paper has reviewed the usage of the representative strain approach with spherical indentation to determine the metal properties. In order to develop an inverse analysis method based on spherical indentation in determining the material properties of unknown steel material, the latter part of the paper has focused on exploring the feasibility of using the representative strain approach for power-law engineering materials with a plastic plateau.
Spherical Indentation Test to Determine Metal Properties Using Representative Strain Concept: A Review
Lecture Notes in Civil Engineering
Dissanayake, Ranjith (Herausgeber:in) / Mendis, Priyan (Herausgeber:in) / Weerasekera, Kolita (Herausgeber:in) / De Silva, Sudhira (Herausgeber:in) / Fernando, Shiromal (Herausgeber:in) / Konthesingha, Chaminda (Herausgeber:in) / Madhumali, S. P. L. (Autor:in) / Jayasinghe, J. A. S. C. (Autor:in) / Bandara, C. S. (Autor:in) / Dammika, A. J. (Autor:in)
12th International Conference on Structural Engineering and Construction Management ; Kapitel: 4 ; 53-67
29.09.2022
15 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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