Material Engineering and Mechanical Manufacturing

Manufacturing Process and Interlaminar Bonding Property of Embedded Medium-temperature Co-cured Composite Material Damping Structure

  • ZHANG Zhongsheng ,
  • LIANG Sen
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  • College of Mechanical Engineering, Qingdao Technological University, Qingdao 266033, China

Received date: 2012-10-08

  Revised date: 2013-01-08

  Online published: 2013-01-23

Supported by

National Natural Science Foundation of China (50875135);Natural Science Foundation of Shandong Province (Z2007F04)

Abstract

The solution to the delamination of an embedded co-cured composite material damping structure is critical for the application of the new damping structure. In this paper an orthogonal experiment method is proposed to investigate the ingredients of a viscoelastic damping material embedded in a composite material. The brush coating process is employed to coat the damping material films with various thicknesses on the surface of a composite prepreg. After the specimens of the embedded co-cured composite damping structure are manufactured according to the curing process parameters of glass fiber/epoxy composites, the interlamination shear measurements are completed. A curve of the maximum interlamination shear stress with respect to damping film thickness is obtained. At the same time the effect of damping layer thickness on the shear property is studied in detail. The shear failure analysis indicates that Interpenetrating Polymer Network (IPN) structures and physical mixture are formed during the co-curing reaction and this structure enables the embedded co-cured composite to possess an excellent interlamination bonding property.

Cite this article

ZHANG Zhongsheng , LIANG Sen . Manufacturing Process and Interlaminar Bonding Property of Embedded Medium-temperature Co-cured Composite Material Damping Structure[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013 , 34(8) : 1972 -1979 . DOI: 10.7527/S1000-6893.2013.0069

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