Development of High Fire Resistant Composites Grating for Ship and Ocean Engineering
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摘要: 研制了可用于船舶和海洋工程的酚醛树脂基复合材料格栅,研究了可瓷化骨料目数、比重以及功能稀释剂对船用复合材料格栅中树脂与玻纤界面结合力的影响。结果表明,该体系中加入30%粒径为6.5 μm的可瓷化骨料和10%的功能稀释剂后,格栅板受火前破坏载荷强度为368.76 MPa,按照标准升温曲线受火1 h后,格栅耐火结构完整性达到L2级水平。Abstract: The phenolic pultruded grating which can be used in ship and ocean engineering is produced. The effects of mesh number, specific gravity and functional diluent of porcelain aggregate on the interfacial adhesion between resin and glass fiber in marine composite gratings are studied. When 30% ceramic aggregates with particle size of 6.5 μm and 10% functional diluents are added in the system, the failure load strength of the grating before fire is 368.76 MPa, and the structural fire integrity of the grating, fired for 1 h according to the standard temperature rise curve, reaches the level of L2.
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Key words:
- composite grating /
- fire resistance limit /
- ceramic aggregate
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