From the course: Introduction to Composite Manufacturing
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Manufacturing defects
From the course: Introduction to Composite Manufacturing
Manufacturing defects
- [Presenter] Manufacturing damage includes anomalies such as porosity, micro cracking and delaminations resulting from processing discrepancies. It also includes such items as inadvertent edge cuts, surface gouges and scratches, damage, voids and holes as well as impact damage. These manufacturing defects include delaminations. Basically a delamination is an area on the surface in between plies. Those areas between those plies can experience small cracks that can grow into what's called inner laminar layer delaminations. Basically what happens is the plies pull apart. Delaminations may form from one crack, several cracks and these can cause catastrophic failure. We also have resin starved areas. A resin starved area is an area where there's not enough resin and the fibers will show through what ends up happening is when the plys are stacked up on one another that resin starved area is not going to adhere correctly. Two…
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