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Title

Using Nanoparticle Coating in Dedicated Digital Image Correlation for Mixed-Mode CTOD Calculation and Crack Growth Estimation

اولین کنفرانس بین المللی مکانیک، صنایع، ساخت و مواد
Year: 1400
COI: MIMCONFE01_011
Language: EnglishView: 85
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Authors

Milad Zolfipour Aghdam - Research assistance, Intelligence Based Experimental Mechanics, University of Tehran, Tehran, Iran
Nasser Soltani - Professor, Intelligence Based Experimental Mechanics, School of Mechanical Engineering, University of Tehran, Tehran, Iran
Abbas Nasseri - Masters student, Intelligence Based Experimental Mechanics, University of Tehran, Tehran, Iran
Hamidreza Asemani - Postdoctoral research fellow, Intelligence Based Experimental Mechanics, University of Tehran, Tehran, Iran

Abstract:

Crack tip opening displacement (CTOD) is an important parameter in fracture mechanics. Experimentally, the parameter is always calculated using a clip gauge in the first mode. However, the method is inappropriate for the second mode or mixed mode. The current study aims to introduce a new method for CTOD calculation using digital image correlation (DIC). The DIC, which is a powerful technique in the calculation of surface displacement and is applied on various scales, is used to calculate displacements around a crack, thereby calculating the CTOD. The main concept of the study is to use nanoparticles to create a speckle pattern with appropriate speckles to focus on the crack tip and calculate the crack tip displacements. Displacements around cracks are determined by the introduced method, and the capability of the method in the calculation of the CTOD in mixed-mode is proved. Moreover, the crack tip zone and its growth can be determinable.

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This Paper COI Code is MIMCONFE01_011. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1426881/

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Zolfipour Aghdam, Milad and Soltani, Nasser and Nasseri, Abbas and Asemani, Hamidreza,1400,Using Nanoparticle Coating in Dedicated Digital Image Correlation for Mixed-Mode CTOD Calculation and Crack Growth Estimation,Online conference between the mullahs, your places, industries, heat and materials,https://civilica.com/doc/1426881

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Type of center: دانشگاه دولتی
Paper count: 76,622
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