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Effect of the Smart Cure Cycle on the Performance of the Co-cured Aluminum/composite Hybrid Shaft by Hak Sung Kim; Sang Wook Park; Hui Yun Hwang; Dai Gil Lee is a Engineering article available to read on EtoBox.

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In this work, a smart curing method for the co-cured aluminum/composite hybrid shaft which can reduce the thermal residual stresses generated during co-curing bonding operation between the composite layer and the aluminum tube was applied. In order to reduce the thermal residual stresses generated during co-cure bonding stages due to the difference of coefficients of thermal expansions (CTE) of the composite and the aluminum tube, a smart cure cycle composed of cooling and reheating cycles was applied. The heating and cooling operations were realized using a pan type heater and water cooling system. The thermo-mechanical properties of the high modulus carbon epoxy composite were measured by a DSC (differential scanning calorimetry) and rheometer to obtain an optimal time to apply the cooling operation. Curvature experiment of the co-cure bonded steel/composite strip was performed to investigate the effect of cure cycle on generation of the thermal residual stress. Also, the thermal residual stresses of the aluminum/composite hybrid shaft were measured using strain gauges with respect to cure cycles. Finally, torsional fatigue test and vibration test of the aluminum/composite hybrid

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Author

Hak Sung Kim; Sang Wook Park; Hui Yun Hwang; Dai Gil Lee

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0263-8223)

Published

2006

Language

EN

Field

Engineering (Physical Sciences)