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Impact Behavior of Fibre Reinforced Laminates

 Impact Behavior of Fibre Reinforced Laminates

Impact Behavior of Fibre Reinforced Laminates

We study the impact response behaviour of fibre reinforced polymer (FRP) materials. During our daily discussion related to our research always had difficulty in finding a single book related to our research because all the available books either completely dedicated to FRPs materials or mathematical modelling or impact loading. Thus, we decided to write a book which should cover all the basic and essential information about impact loading, particularly low velocity impact, FRP materials and different numerical modelling techniques.

This book deals with FRP material response to impact loading, particularly low velocity impact. FRP materials are gradually replacing the conventional metals and alloys in the field of automobiles, aircraft, marine vehicles, defence protective armours and civil constructions due to their high specific strength, high specific stiffness and manipulation of the material properties in the required direction without compromising the strength. However, FRP materials have weak through-thickness strength properties due to which these FRP composites are vulnerable to impact loading particularly to low velocity impact because the low velocity impact creates barely visible impact damages (BVID) in FRP composites. These BVID are neither visible to naked eyes nor detectable to non-destructive methods during an inspection.

Further, these BVID grow throughout the structure with time and severely reduces the residual compressive strength, which leads to premature sudden catastrophic failure of the structure. Consideration of impact and compression after impact criteria in consideration of the factor of safety during material design attained considerable attention after NASA’s Colombia space shuttle disaster which took all the onboard crew’s life, which happened almost 17 years back, but the understanding of the impact response of FRP laminates is still inadequate. Thus, we are working on to analyse the impact response of the FRP materials.


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