The mechanical and thermal properties of thermoplastics composites for aerospace applications

Ramlan, Muhammad Zaid Harith (2021) The mechanical and thermal properties of thermoplastics composites for aerospace applications. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Thermoplastic has been a bread and butter for aerospace application. Their mechanical and thermal properties offer a lot of flexibility for engineer and scientist compared to thermoset. Besides that, the production of thermoplastic is much simpler where it simply needs to heat up past its melting temperature, consolidated and cooled and unlike thermosets which highly dependable on curing time for polymer crosslinks to form in molecular structure. This research investigates the thermal distribution of PPS laminate in thermoforming process. Three heater temperatures with three heater distances are tested. The distance between two heated surface is 200, 300 and 500 mm for 320°C, 360°C and 400°C heated sw-face. The desired PPS temperature (320°C) and maximum heater temperature ( 400°C) is taken as parameter. The test result shows that to achieve 320°C thermoplastic temperature, we can use 385°C IR heater temperature with heater distance of 200 mm. However, this 200 nun distance might be too close for the operation, and larger distance might be needed. Using 300 mm or 500 mm can achieve close to 320°C if heater temperature is set to 400°C. This study can provide some a preliminary knowledge to engineers and scientists to develop a new structural application for aerospace industry.

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