Estimation of Stress Intensity Factors from near Crack Tip Field

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Factors from near Crack Tip Field</title> <meta name="description" content="Estimation of Stress Intensity Factors from near Crack Tip Field"> <meta name="keywords" content="digital image correlation, stress intensity factors, three-dimensional effects, transverse displacement"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img 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publication-listing mt-3 mb-3"> <h5 class="card-header" style="font-size:.9rem">Estimation of Stress Intensity Factors from near Crack Tip Field</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zhuang%20He">Zhuang He</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrei%20Kotousov"> Andrei Kotousov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> All current experimental methods for determination of stress intensity factors are based on the assumption that the state of stress near the crack tip is plane stress. Therefore, these methods rely on strain and displacement measurements made outside the near crack tip region affected by the three-dimensional effects or by process zone. In this paper, we develop and validate an experimental procedure for the evaluation of stress intensity factors from the measurements of the out-of-plane displacements in the surface area controlled by 3D effects. The evaluation of stress intensity factors is possible when the process zone is sufficiently small, and the displacement field generated by the 3D effects is fully encapsulated by K-dominance region. <iframe src="https://publications.waset.org/abstracts/32294.pdf" style="width:100%; height:400px;" frameborder="0"></iframe> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=digital%20image%20correlation" title="digital image correlation">digital image correlation</a>, <a href="https://publications.waset.org/abstracts/search?q=stress%20intensity%20factors" title=" stress intensity factors"> stress intensity factors</a>, <a href="https://publications.waset.org/abstracts/search?q=three-dimensional%20effects" title=" three-dimensional effects"> three-dimensional effects</a>, <a href="https://publications.waset.org/abstracts/search?q=transverse%20displacement" title=" transverse displacement"> transverse displacement</a> </p> <a 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Estimation of Stress Intensity Factors from near Crack Tip Field