Real-Time and Quantitative Measurement of Crack-Tip Stress Intensity Factors Using Digital Holographic Interferometry
Joint Authors
Guo, Rong-xin
Yan, Feng
Xia, Haiting
Cheng, Heming
Source
Advances in Materials Science and Engineering
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-05-16
Country of Publication
Egypt
No. of Pages
8
Abstract EN
Detection of the crack in an object is a critical problem for the health monitoring of a transparent object.
The real-time and quantitative measurement of the crack-tip stress intensity factor (SIF) remains an open issue.
In this paper, an approach for real-time and quantitative measurement for the SIFs of a Mode I crack is presented based on digital holographic interferometry (DHI).
A transmission digital holographic system is established to measure the phase difference of an object wave during loading.
The expression to achieve the SIF from the phase difference is formulated.
To enhance the accuracy of measurement, calibrated phase unwrapping based on least-squares and iteration and median filtering is applied to retrieve the actual phase from the noisy wrapped one.
The SIFs of the Mode I crack in a transparent polymethyl methacrylate (PMMA) specimen are measured by this approach.
The results are compared with the theoretical ones to demonstrate the feasibility of the proposed approach.
American Psychological Association (APA)
Xia, Haiting& Guo, Rong-xin& Yan, Feng& Cheng, Heming. 2018. Real-Time and Quantitative Measurement of Crack-Tip Stress Intensity Factors Using Digital Holographic Interferometry. Advances in Materials Science and Engineering،Vol. 2018, no. 2018, pp.1-8.
https://search.emarefa.net/detail/BIM-1119924
Modern Language Association (MLA)
Xia, Haiting…[et al.]. Real-Time and Quantitative Measurement of Crack-Tip Stress Intensity Factors Using Digital Holographic Interferometry. Advances in Materials Science and Engineering No. 2018 (2018), pp.1-8.
https://search.emarefa.net/detail/BIM-1119924
American Medical Association (AMA)
Xia, Haiting& Guo, Rong-xin& Yan, Feng& Cheng, Heming. Real-Time and Quantitative Measurement of Crack-Tip Stress Intensity Factors Using Digital Holographic Interferometry. Advances in Materials Science and Engineering. 2018. Vol. 2018, no. 2018, pp.1-8.
https://search.emarefa.net/detail/BIM-1119924
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1119924