In glass fibre reinforced composites, surface cracks and edge cracks are intentionally created to predict the crack location and severity using artificial intelligence tools.
In reality, first matrix cracks occur, then debonding, delamination and fibre breaking occurs lost.
Could anybody explain the reason why they are creating surface and edge cracks (by breaking fibres ) when they are not occuring in reality.
A type of crack, crazing, occurs by thermal problems or overstressing the reinforced structural members. It also occurs due to stress variation between different laminates and structural layers of the fibers.
Regarding the tension distribution and structures of the fibers, you may follow this paper:
Farhangi, V.; Karakouzian, M. Effect of Fiber Reinforced Polymer Tubes Filled with Recycled Materials and Concrete on Structural Capacity of Pile Foundations. Appl. Sci. 2020, 10, 1554.
Article Effect of Fiber Reinforced Polymer Tubes Filled with Recycle...
A type of crack, crazing, occurs by thermal problems or overstressing the reinforced structural members. It also occurs due to stress variation between different laminates and structural layers of the fibers.
Regarding the tension distribution and structures of the fibers, you may follow this paper:
Farhangi, V.; Karakouzian, M. Effect of Fiber Reinforced Polymer Tubes Filled with Recycled Materials and Concrete on Structural Capacity of Pile Foundations. Appl. Sci. 2020, 10, 1554.
Article Effect of Fiber Reinforced Polymer Tubes Filled with Recycle...
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