| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Measuring Stress Distributions of Orthotropic Composite Material in Plane Stress State by the Lock-in Infrared Thermography Technique |
| LI Xu-Dong1**, WANG Wei-Bo2, LI Yong-Sheng2, WU Dong-Liu1
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1China Aero-Polytechnology Establishment, Beijing 100028
2China Ship Scientific Research Center, Wuxi 214082
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| Cite this article: |
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LI Xu-Dong, WANG Wei-Bo, LI Yong-Sheng et al 2011 Chin. Phys. Lett. 28 064601 |
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Abstract Feasibility of measuring stress distributions of orthotropic composite materials and structures in plane stress state by the lock-in infrared thermography technique is analyzed and stress distributions of a lap joint structure made of a kind of glass reinforced plastic composite lamination plates under tensile loadings are obtained by the lock-in infrared thermography technique. Feasibility and credibility of using this technique to measure stress distributions of orthotropic composite materials and structures in plane stress state are proved by comparing the results with the data given by the digital speckle correlation method.
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| Keywords:
46.80.+j
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Received: 29 December 2010
Published: 29 May 2011
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| PACS: |
46.80.+j
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(Measurement methods and techniques in continuum mechanics of solids)
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