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SAMPE neXus 2021
Shape memory polymer (SMP) tools that are rigid for lay-up, elastomeric for cure, and reformed into the inside mold line (IML) shape of the composite article between cycles. They have been used to control the inner geometry of composite structures. SMP tools are fabricated using resins formulated to have an elastic modulus that changes depending on the material temperature and the specific material formulation. At room temperature, the SMP tools have a high elastic modulus (i.e. rigid epoxy),doi:10.33599/nasampe/s.21.0470 fatcat:2ufcwm3w65eqpdyw7xzdfyvidy