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《提高樹脂基復(fù)合材料固化均勻性的加熱曲線優(yōu)化與其對變形的影響-研究》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、華中科技大學(xué)碩士學(xué)位論文studiedbyDSC(DifferentialScanningCalorimetry)experimentsandmodel-fittingmethod.Thiscurekineticequationcanbeusedtosubsequentheatingcurveoptimizationofphenolformaldehyderesinprepreg.Finally,theoptimizedheatingcurveofaflatpartwiththicknessof2.5mmwasestablishedbycombin
2、ingtheheatingcurveoptimizingmethodandcurekineticequationofphenolformaldehyderesinprepreg.Calculateandcomparethenonuniformityofplatpartswiththicknessof1.5mm,2mmand2.5mmunderdirectheatingcurverespectively.Thenonuniformityofplatpartwiththicknessof2.5mmunderheatingcurvewhichisused
3、inactualproductionandoptimizedheatingcurvearealsoanalyzed,respectively.Correspondingflatpartcuringexperimentsareimplemented.Resultsofsimulationsshowthatthecuringuniformityofflatpartimprovesunderoptimizedheatingcurve.Accordingly,experimentresultsshowthatundertheoptimizedheating
4、curve,deformationofcuredflatpartreducescompareswithunderadirectheatingcurve,andthesameshapeofflatcompareswiththeflatcuredunderheatingcurvewhichisusedinactualproduction.Theoptimizedheatingcurvesaves26.5%ofthetimecomparedwiththeexistingprocess,meansthisheatingcurveoptimizingmeth
5、odcanimprovetheefficiencysignificantly,provesthefeasibilityoftheoptimizationmethod.Keywords:resinmatrixcomposite,finiteelementsimulation,curinguniformity,optimizingofheatingtemperaturecurve,deformationIII華中科技大學(xué)碩士學(xué)位論文目錄摘要.........................................................
6、..............................................................IAbstract...............................................................................................................II1緒論..........................................................................................
7、........................11.1研究背景及意義...........................................................................................11.2研究現(xiàn)狀.......................................................................................................31.3本文的主要研究內(nèi)容和思路........................
8、..............................................92AS4/3501-6復(fù)合材
