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首页> 外文会议>International Conference on Offshore Mechanics and Arctic Engineering 2007(OMAE2007) vol.4; 20070610-15; San Deigo,CA(US) >DAMPING PROPERTIES OF SANDWICH METAL-POLYMER-CERAMIC COATING
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DAMPING PROPERTIES OF SANDWICH METAL-POLYMER-CERAMIC COATING

机译：夹心金属-聚合物-陶瓷涂层的阻尼性能

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摘要

The focus in this paper is directed toward to the investigation into hybrid metal-polymer-ceramic damping coatings for pipelines and fuel tanks. Recently sandwiched coatings have been manufactured by advanced technology based on thermal flame spraying of foamy aluminum or its alloy and viscoelastic polymeric layers (ultra high molecular weight polyethylene). Technological aspects of manufacturing are discussed for tailoring safety and reliability of pipeline structure affected by external shock impact and vibrations. The particle-reinforced coatings is further formed as a constrained-layer damping coating system (CLD) showing the greatest range over which damping coatings have excellent energy absorbing/damping properties over bulk materials. Modal loss factors of clamped specimen obtained at 60-80% coverage were higher than maximum damping values obtained in the case of 100% specimen coverage. FEM-based computer modeling was used to predict the damping of multilayer materials by a strain energy method.
机译：本文的重点是针对管道和燃料箱的混合金属-聚合物-陶瓷混合阻尼涂料的研究。近来，已经通过基于泡沫铝或其合金和粘弹性聚合物层（超高分子量聚乙烯）的热火焰喷涂的先进技术来制造夹层涂料。讨论了制造的技术方面，以调整受外部冲击和振动影响的管道结构的安全性和可靠性。颗粒增强涂层进一步形成为约束层阻尼涂层系统（CLD），显示出最大范围的阻尼涂层比散装材料具有优异的能量吸收/阻尼性能。在60-80％的覆盖率下获得的夹紧样本的模态损耗因子高于在100％的样本覆盖率下获得的最大阻尼值。基于FEM的计算机建模用于通过应变能方法预测多层材料的阻尼。

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