Abstract
Injection moulding of polymer micro parts often affects the inner structure due to process conditions with reduced part dimensions. Consequently, ageing effects can increase with reduced part dimensions. This paper investigates the ageing effects in different scaled tensile bars, exemplarily injection moulded of polycarbonate. The results reveal during the here applied artificial ageing conditions the chemical ageing effects have less influence and primary physical ageing effects take place. A reduction of part dimensions leads to increasing impact of ageing effects for the here investigated polycarbonate.
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