Long-term ageing effect on mechanical properties of polyamide 12 printed by Multi-Jet-Fusion
International Journal of Mechanical Sciences（2023）
Abstract
•Studied mechanical properties of Multi-Jet-Fusion printed polyamide 12 in 474 days.•Higher moisture of specimens in ambient conditions accelerates ageing process.•Effect of build orientation on mechanical properties was unaffected by ageing.•Neural network model adopted to predict mechanical properties of printed material.•Neural network prediction of tensile modulus and strength was good with ∼3.0% MAPE.
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Key words
Multi-Jet-Fusion,Polyamide 12,Mechanical properties,Storage conditions,Long-term ageing,Artificial neural network
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