Facade Fire Hazards of Bench-Scale Aluminum Composite Panel with Flame-Retardant Core
نویسندگان
چکیده
Façade fires in tall buildings are currently occurring more than once a month globally that responsible for many casualties and billions of dollars losses. In particular, the tragic Grenfell Tower fire London with 70 fatalities raised profile façade hazard. This work used well-controlled irradiation up to 60 kW/m2 re-assess hazard typical flame-retardant aluminum composite panels (ACPs) dimension 10 cm × 0.5 cm. We found vertically oriented ACPs “non-combustible” A2-grade “limited-combustible” B-grade cores could still be ignited above 35 25 kW/m2, after front layer peeled off. The peak heat release rate per unit area these higher common materials like timber PVC. Moreover, compared B-core panel, A2-core panel showed greater terms shorter ignition delay time, possibility core peel-off, longer flaming duration under current test size fixing condition. Because ACP is complex system, its not simply controlled by material. structural failure fire, including bending, softening cracking, may further increase depending on scale effect, boundary conditions. research improves our understanding systematic behaviors helps rethink risk methods building façade.
منابع مشابه
A Novel Non-Halogenated Flame Retardant for Composite Materials
Flame retardants, such as inorganic fillers or halogenated resins, are incorporated into composites either as additives or reactive materials. In order to improve processability and mechanical properties, as well as reduce smoke toxicity, a method is being developed to introduce highly effective, inexpensive flame retardant materials into thermoset resins. Superabsorbent polymers (SAP) can be l...
متن کاملFlame-Retardant Cellulosic Fiber Nanocomposite Based on Aluminum Tetraborate and Aluminum Tungstate
متن کامل
Room Temperature Preparation of Aluminum Hydroxide Nanoparticles and Flame Retardant Poly Vinyl Alcohol Nanocomposite
Al(OH)3 nanoparticles were synthesized by a simple precipitation reaction. The effect of various amines like ethylene diamine, propylene diamine, triethylenetetramine and tetraethylenepentamine as precipitating agents on the morphology of Al(OH)3 nanostructures was investigated. The influence of Al(OH)3 nanoparticles on the flame retardancy of the poly vinyl alcohol (PVA) matrix was studied usi...
متن کاملElectrospun core-shell microfiber separator with thermal-triggered flame-retardant properties for lithium-ion batteries
Although the energy densities of batteries continue to increase, safety problems (for example, fires and explosions) associated with the use of highly flammable liquid organic electrolytes remain a big issue, significantly hindering further practical applications of the next generation of high-energy batteries. We have fabricated a novel "smart" nonwoven electrospun separator with thermal-trigg...
متن کاملPerformance of Flame Retardant Wool Fabric Grafted with Vinyl Phosphate
In this paper, a flame retardant dimethyl-2-(methacryloyloxyethyl) phosphate (DMMEP) was applied to wool fabrics by the graft copolymerization technique initiated with potassium persulfate (KPS) in water media. FTIR and SEM testing were used to explore the grafting evidence on the fiber surface, the SEM results show chemical deposition on the wool fiber surface and the scales could not be seen ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Fire Technology
سال: 2021
ISSN: ['1572-8099', '0015-2684']
DOI: https://doi.org/10.1007/s10694-020-01089-4