Stacking Sequence Optimization Approach for Suppressing Out-of-Plane Thermal Deformation of CFRP Laminate because of Fiber Orientation Error

Carbon fiber reinforced plastic (CFRP) is regarded as a suitable material for large, high-precision reflectors (mirrors) used in high-resolution space observatories because of its high specific elasticity and low coefficient thermal expansion. However, it was made clear that non-negligible out-of-plane deformation generated CFRP orientation errors occurring during manufacturing. In this study, first, method developed to evaluate the standard deviation magnitude curvature plate errors. Then, minimized by optimizing stacking sequence laminate using genetic algorithm. Stacking optimization mitigated effect errors, indicating an effective suppressing laminates. Moreover, deformations laminates with quasi-isotropic optimum representative were measured demonstrated suppressed applying sequence.