Abstract
The loss of structural integrity of fiber-reinforced polymer composites (FRPs) when set on fire poses a great threat for the safety of occupants and property, which can be alleviated by introducing fire protective methods. The fire-protective polymeric coating has shown great potential in reducing fire hazards of FRPs and preventing loss of post-fire mechanical properties, but it has seldom been proven to have a protective effect under simultaneous loading and fire damage on a coupon level using a lab scale instrument. In this work, a machine which can be mounted on the widely acknowledged cone calorimeter (CCT) was designed and fabricated with details provided. Two types of laminate were prepared to be subjected to a static axial or off-axial load while set ignited and burned. Results showed that the protective polymeric coating delayed coated coupons for mechanical failure time by more than 190% compared to coupons without any coating. With this instrument being universally adaptable to various types of CCT, it provided meaningful information to the materials design process of fire-safe FRPs.
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