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EXPERIMENTAL STUDIES ON DEVELOPED PZT BASED COATING UNDER FIRE EXPOSURE

机译:着火条件下基于PZT的涂层的实验研究

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In the present paper, a fire retardant coating using Piezoelectric (PZT) Powder is developed to protect the substrate against detrimental effects of the fire. An experimental study has been carried out over two different substrate materials exposed to temperature up to 1300℃ at the instant through oxyacetylene flame and temperature to 500℃ through oven. An escape time about 2 times and surface temperature drop of 50℃ have been observed for PZT coated substrate vis-a-vis bare substrate. PZT coating is tested for Flammability (UL 94) and for Optical Density of Smoke (ASTM E 662) at NABL accredited laboratory establishes developed coating as fire retardant coating.
机译:在本文中,开发了一种使用压电(PZT)粉末的阻燃涂料,以保护基材免受火灾的不利影响。已经对两种不同的基材材料进行了实验研究,该材料通过氧乙炔火焰立即暴露于高达1300℃的温度,并通过烤箱暴露于高达500℃的温度。与裸露的基材相比,PZT涂覆的基材的逸出时间约为2倍,表面温度下降了50℃。在NABL认可的实验室中,对PZT涂层的可燃性(UL 94)和烟雾的光密度(ASTM E 662)进行了测试,确定了已开发的涂层为阻燃涂层。

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