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非金属阻尼材料的性能介绍!

作者: admin    来源:http://www.laobingguandao.com  时间:2019-08-14    人气:
  高阻尼复合钢波纹管作为补偿和减振器已广泛应用于军事和民用领域。但在某些情况下,波纹管需要进行补偿,同时又具有较高的阻尼性能,使管道振动能够有效衰减和隔离。本文从实际出发,结合金属波纹管的成形过程和基本结构特点。在保持原有结构和性能不变的情况下,将非金属高阻尼材料与金属波纹管有机地组合在一起,使其具有补偿和更高的减振性能,提高波纹管的综合性能。使实际使用中可以更有效地衰减和隔离管道振动,达到“两用”效果。本文主要介绍了几种非金属阻尼材料的性能及其与金属波纹管的复合方法,并对复合阻尼波纹管进行了管道仿真试验。
  High damping composite steel bellows have been widely used in military and civil fields as compensators and shock absorbers. But in some cases, the bellows need to be compensated, and at the same time, they have high damping performance, so that the vibration of the pipeline can be effectively attenuated and isolated. In this paper, the forming process and basic structure characteristics of metal bellows are discussed. Under the condition of keeping the original structure and performance unchanged, the non-metallic high damping material and the metal bellows are organically combined to make them have compensation and higher vibration reduction performance, and improve the comprehensive performance of the bellows. It can attenuate and isolate pipeline vibration more effectively in practical use and achieve dual-purpose effect. In this paper, the properties of several non-metallic damping materials and their composite methods with metal bellows are introduced, and the pipeline simulation test of composite damping bellows is carried out.
  通过对钢波纹管的基本结构和工作状态的分析,发现阻尼材料与波纹管是复合材料。其刚度不会受到很大影响,否则会改变其基本性能。同时,研究了几种复合模。认为所选用的阻尼材料应具有较高的损耗系数和较低的杨氏模量。在众多阻尼材料中,选用以下几种类型的板层与金属波纹管复合。
双扣聚氯乙烯增强管
  Through the analysis of the basic structure and working state of steel bellows, it is found that the damping material and bellows are composite materials. Its stiffness will not be greatly affected, otherwise its basic performance will be changed. At the same time, several kinds of composite dies were studied. It is considered that the selected damping material should have higher loss coefficient and lower Young's modulus. Among many damping materials, the following types of laminates are selected to be combined with metal bellows.
  对复合材料波纹管的分析表明,附加阻尼套和夹芯阻尼结构对波纹管刚度的影响较小,而涂覆阻尼材料和内涂覆tuzuni材料的复合模态对波纹管刚度的影响较大。这四种结构对波纹管的补偿都有一定的影响,需要进行试验验证。但由于条件的限制,本试验尚未进行,今后还需进一步研究。
  The analysis of composite bellows shows that the additional damping sleeve and sandwich damping structure have little effect on the stiffness of the bellows, while the composite modes of the coated damping material and the tuzuni material have greater effect on the stiffness of the bellows. These four structures have certain influence on the compensation of bellows, and need to be tested and verified. However, due to the limitation of conditions, this experiment has not been carried out, and further research is needed in the future.

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