Optimizing design of CFRP based main backbone with high stiffness ratio for space camera

Yuan, 安源 An; Xue-zhi, 贾学志 Jia; Lei, 张雷 Zhang; Guang, 金光 Jin

doi:10.3788/ope.20132102.0416

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2015

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“…Composite materials compared with conventional metallic materials possess a number of attractive features, such as high specific strength, high specific modulus, high temperature resistance, corrosion resistance, fatigue resistance, performance can be designed and so on [1][2][3][4]. Composite materials have become one of the four structural materials after aluminum, steel, and titanium.…”

Section: Introductionmentioning

confidence: 99%

Design and Experimental Study of a Composite Materials Micro-Deformation Measurement Device

Yuan

Bao

Hong

et al. 2015

KEM

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In the space environments, the size and weight of composite materials will produce small changes. In order to measure the small changes accurately, a micro-deformation measurement device has been designed. The carbon fiber tube was made from cyanate ester resin or epoxy resin was tested in vacuum and hygrothermal environments. The deformation in the vacuum test is -1.7 to 3.8 microns, in the hygrothermal test, the deformation is -1.3 to -6.4 microns. The same as theoretical analysis, the environmental stability of cyanate ester resin better than epoxy resin.

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Section: Introductionmentioning

confidence: 99%