本文選題：八枚五飛經(jīng)面緞 + 縫合復(fù)合材料��； 參考：《玻璃鋼/復(fù)合材料》2017年07期

【摘要】：研究了不同縫合密度和不同縫線粗細(xì)對(duì)碳纖維八枚五飛經(jīng)面緞縫合復(fù)合材料面內(nèi)力學(xué)性能的影響,并結(jié)合顯微鏡觀察測(cè)量因縫線植入導(dǎo)致面內(nèi)纖維彎曲,分析了面內(nèi)纖維彎曲與力學(xué)性能的相關(guān)性。結(jié)果表明,縫合對(duì)層板面內(nèi)性能有一定的影響,隨著縫合密度變密和縫線變粗,面內(nèi)力學(xué)性能整體呈下降趨勢(shì),且降低幅度均增大。顯微鏡分析表明,用纖維彎曲幅度和角度表征面內(nèi)纖維彎曲,面內(nèi)纖維是影響縫合層板力學(xué)性能的主要因素。在相同縫線下,隨著縫合密度變密,面內(nèi)纖維彎曲幅度幾乎不變,而彎曲角度先增大后減小,力學(xué)性能整體呈降低趨勢(shì);在相同縫合密度下,隨著縫線變粗,纖維彎曲幅度和角度均增大,強(qiáng)度降低趨勢(shì)與面內(nèi)纖維彎曲幅度和角度有很強(qiáng)的相關(guān)性,其二次函數(shù)相關(guān)系數(shù)在0.89~0.97之間。
[Abstract]:The effect of different suture density and stitch thickness on the in-plane mechanical properties of eight five-flying satin suture composites of carbon fiber was studied, and the in-plane fiber bending caused by suture implantation was measured by microscope.The relationship between in-plane fiber bending and mechanical properties was analyzed.The results show that suture has a certain effect on the in-plane properties of the laminates. With the thickening of the suture density and the thickening of the stitches, the in-plane mechanical properties of the layers decrease as a whole, and the reduction range increases.Microscope analysis showed that the bending amplitude and angle of the fiber were used to characterize the in-plane fiber bending, and the in-plane fiber was the main factor affecting the mechanical properties of the suture laminates.Under the same suture, with the density of suture becoming denser, the bending amplitude of the in-plane fiber is almost unchanged, while the bending angle first increases and then decreases, and the mechanical properties decrease as a whole, and at the same suture density, it becomes thicker with the stitching density.The bending amplitude and angle of the fiber increase, and the decreasing trend of the strength has a strong correlation with the bending amplitude and angle of the in-plane fiber, and the quadratic function correlation coefficient is between 0.89 and 0.97.
【作者單位】： 天津工業(yè)大學(xué)紡織學(xué)院;中材科技股份有限公司;
【分類號(hào)】：TB33

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