Damage Monitoring and Analysis of Fiber-Metal Laminates with an Open Hole Using Digital Image Correlation

Abstract:

Notched fiber-mental laminates are susceptible to damage. Nowadays, damage detection mainly depends on visual inspection and C scan. But the two methods are limited to the technical skill of the inspectors, causing missed detection or even fault detection. This paper devotes to exploring the DIC monitoring technique to assess of the damage process taking place in notched (open hole) specimens under uniaxial tensile loading. Two-dimensional (2D) Digital Image Correlation (DIC) techniques are employed to obtain full-field surface strain measurements of GLARE3-3/2 and GLARE6-3/2 laminate with an open circular hole under tensile loading. Failure modes,damage initiation and progression of notched fiber-metal laminates are characterized and discussed.

• Periodical: Applied Mechanics and Materials (Volume 868)
• Pages: 323-327
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.868.323
• Online since: July 2017
• Authors: An Shi Tong, Li Yang Xie*, Xin Bai, Ming Li, Wei Ying Meng
• Keywords: Digital Image Correlation (DIC), Fiber-Metal Laminates, Non-Destructive Testing, Open-Hole Tension, Strain Monitoring

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