Novel Life Prediction Method of PMMA for Cultural Relics Protection Based on the BP Neural Network
Yang Zhang,
Ke Wang,
Hao Peng
et al.
Abstract:Poly(methyl methacrylate) (PMMA) is widely used in the
preservation
and exhibition of cultural relics in museums. Accurately predicting
its service life can help avoid many negative effects caused by PMMA
aging. To study the change in the yellowing index of PMMA after aging
in a UV light environment, an aging experiment was conducted. A prediction
model for the service life of PMMA was established using nonlinear
curve fitting and a back propagation (BP) neural network. By comparing
the goodness of fit, simula… Show more
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