本发明涉及一种使用聚合泡沫层（10）和矿棉层（12）来制造绝 缘板的工艺。
The invention relates to a process for manufacturing insulating panels using a layer of polymer foam (10) and a layer of mineral wool (12).
该方法稍加推广即可研究循环叶片组的振动特性，为指导带缘板阻尼器叶片的减振设计奠定了基础。
The method can be used to calculate the vibration features of circular blades with friction damper, so it provided the foundation for designing the blade with friction damper.
试验结果表明：缘板模拟件、叶冠模拟件的材料疲劳性能分别为对比试件(和叶身中部材料性能基本相当)的5.93%和7.68%。
Tests results show that the fatigue performances of the shroud-like specimen and the platform-like specimen are respectively 7.68% and 5.93% those of the notched specimen.
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