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Deformation of wood veneer on aircraft sandwich panels assessed by digital image correlation (dic) as affected by a fire retardant treatment

semanticscholar(2015)

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摘要
Business aircraft furniture is made with honeycomb panels finished with a decorative veneer which is treated with a fire retardant. The application of fire retardant treatment (FRT) is required especially for materials with low flammability surface. However, its application can change the properties of wood. A digital image correlation method (DIC) was used to investigate the deformation of fire treat and non-fire treat surfaces. Wood sandwich panels with Bubinga Waterfall decorative veneer were used in this study. The average full field deformation of surfaces was measured after exposure at high relative humidity. The results confirmed that FRT panels have more deformation than NFRT after moisture exposure. The 2D DIC method appeared as a suitable method to analyze and identify local deformations on wood surface panels.
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