Fire - mechanical behaviour of sandwich composite beam
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Từ khóa:
Fire strength
sandwich beam
durability
mechanical behaviours
moisture content
Tóm tắt
We have analyzed the fire-mechanical behaviour of sandwich composite materials used in marine applications, as a function of the combustion time. In this light, sandwich beam samples are analyzed in terms of fire resistance kinetic and of post-combustion mechanical strength. We have shown that the materials undergo a strong degradation during 100 s of fire exposure at 750 ° C and this degradation is linked to the top skin. Finally, a finite element modelling work is being developed to predict the thermal behavior of composite sandwich materials; this modelling must include all thermal, physical and chemical degradation processes in order to realistically report resistance of materials in extreme temperature environment.
Tài liệu tham khảo
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Tran Van Luan, Le Minh Tien, Pham Truong Thi. “Fire - Mechanical Behaviour of Sandwich Composite Beam”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 18, số p.h 6, Tháng Sáu 2020, tr 22-26, doi:10.31130/jst-ud2020-228E.
