Statistical modelling of Thin Epoxy Resin Layers Curing Using Microwave Energy

Abstract

In this research microwave curing is used to support fast curing in order to prevent changes to the form and shape of a selective applied layer. In this investigation the layer consists of a liquid mixture of epoxy resin with aluminium particles is cured using microwave heating and is further used in rapid product development. The issue of statistical modelling of the fast curing process of thin epoxy resin layers using microwave heating is addressed in this paper. The modelling by a linear regression method is based on information available from the curing process as well as from data collected performing the Dynamic Scanning Calorimetry analysis. To reach the state of dimensional stability, the curing temperature of the layer material was controlled using two options. First, through the reduction of the microwave power and second, through altering the turntable speed so that the microwave exposure time of the layer was monitored. This operation was controlled using appropriate computer software.