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首页> 外文会议>European Conference of Mechanical Engineering >Improve The Mechanical Behavior of Woven-roving GFRE Tubes by Using A New Manufacture Method with Experimental Verification
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Improve The Mechanical Behavior of Woven-roving GFRE Tubes by Using A New Manufacture Method with Experimental Verification

机译：通过使用实验验证的新制造方法改善编织GFRE管的力学行为

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In this paper, a new methodology for manufacturing to improve the mechanical behavior of multilayer composite thick tubes of Woven Roving Glass Fiber Reinforced Epoxy (GFRE) under internal hydrostatic pressure is presented. For this purpose, a procedure using two fiber orientations, [0°,90°]_(3s) and [±45°]_(3s) with two manufacture methods to prepare the test specimens and two types of test, open and closed tubes were used, in the first method (old method) M_1 the test specimens will be prepared by molding all layers around the mandrel in one step then the epoxy resin will be poured-on-it, then leave it to cure, and the new method M_2 will be discussed in this work, the test specimens will be prepared by molding first layer only around the mandrel then the epoxy resin will be poured-on-it, then leave to cure, and repeat previous step for the second layer and so on (i.e. as compound tubes). The theory of thick walled tubes is used to assess the role of each layer in carrying the internal pressure and also the onset of the hoop failure in the composite tube. Under static pressure testes for closed and open cylinder, the [±45°]_(3s) specimens have the higher burst pressure than the another fiber orientation [0,90°]_(3s) specimens for both method of manufacturing M_1 and M_2, but For both fiber orientations, the specimens of method of manufacturing M_2 have higher burst pressure than another method M_1 with a value of more than 40% for closed tubes test and 45% for open tubes test.
机译：本文提出了一种新的制造方法，以改善内部静水压力下的编织粗玻璃纤维增​​强环氧树脂（GFRE）的多层复合厚管的机械性能。为了这个目的，一个程序使用两个纤维取向，[0°，90°] _（3S）和[±45°] _（3S）具有两个制造方法，以制备测试样品和两种类型的测试的，在打开和关闭使用管，在第一种方法（旧方法）M_1中，测试样品将通过在一步中模制围绕心轴的所有层来制备，然后将环氧树脂倒入它，然后将其保证为固化，然后将其保证为固化，然后使其固化，然后使其固化，并将其留给固化，并将其留给固化，并将其留给固化，并将其留给固化，并将其留给固化，并将其保证为固化，并将其保证为固化方法M_2将在这项工作中讨论，将通过仅在心轴围绕心轴模制第一层然后将环氧树脂倒入它的测试样品，然后离开固化，并为第二层重复先前的步骤，并为第二层重复前一步骤ON（即复方管）。厚壁管的理论用于评估每层在承载内部压力时的作用以及复合管中的箍失效的起作。在闭合和开口圆柱的静压测试下，[±45°] _（3S）样本比另一种制造方法M_1和M_2的方法具有更高的突发压力[0,90°] _（3S）样品但是对于纤维取向，制造方法的方法标本比另一种方法M_1具有更高的突发压力，对于闭合管测试，对于闭合管测试的值超过40％，对于开放管测试45％。

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