玻璃纤维增强环氧树脂复合材料的力学性能研究_王启强

doi10．16597/j．cnki．issn．1002－154x．2016．07．002*621000*710054GF/EP。、GF/EP。20%、120℃、3．0hGF/EP38．52MPa、6．46kJ/m2GF/EP60℃、5%48hSEM。2016－06－0215ZB0410ZＲYJ15041987～MechanicalPropertiesofGlassFiberＲeinforcedEpoxyＲesinCompositesWangQiqiangPengLonggui*MianyangPolytechnicSichuanMianyang621000*Xi’anUniversityofScienceandTechnologyShanxiXi’an710054AbstractGlassfiberreinforcedepoxyresinGF/EPcompositeswerepreparedbytheepoxyresinandthechoppedglassfiber．ThemechanicalpropertiesofGF/EPcompositematerialabouttheratioofglassfiberandepoxyres-inandthecuringconditionswereexplored．TheresearchresultsshowedthattheGF/EPcompositeswhenthefibercontentwas20%thecuringtemperaturewas120℃thecuringtimewas3．0hthetensilestrengthwasabout38．52MPaimpactstrengthwasabout6．46kJ/m2．ThemechanicalpropertiesofGF/EPcompositesdecreasedby60℃5%saltwaterimmersionafter48h．SEMshowedthatfiberandresinbondinginterfacewasdamagedaftercorrosion．Keywordsglassfibercompositesbondinginterfacecorrosion、、、、。、、、1、。2GF/EPGF/EP。。。11．1DZ－1BC—4—30720167ChemicalIndustryTimesVol．30No．7Jul．7．2016MP－2001SANS－CMT5105XACTE44650#。1．2、、。1。1GF/EPFig1TheprocessflowchartofGF/EP1．31．3．1。GB/T2568－1995。3mm/min。σt=Pb·h1σtPbh。1．3．2。GB1943－2007XJJ－50m2JJ/m2。1．3．3GF/EP3FＲP、、。GF/EP5%60℃48hGF/EPGF/EP。1．3．4GF/EPGF/EP。2GF/EP。2．1GF/EP15g、650#5g、0．2mL、GF/EP。2．1．1GF/EP100℃2．5hGF/EP2。2GF/EPFig2EffectofglassfibercontentonGF/EPperformance2GF/EP20%GF/EP。4～6GF/EPGF/EP。2．1．2GF/EP3g2．5hFＲP3。3GF/EP—5—……2016.Vol.30No．7120℃。GF/EP。7。/8。3GF/EPFig3EffectofcuringtemperatureonGF/EPperformance2．1．3GF/EP140℃GF/EP4。4GF/EPFig4EffectofcuringtimeonGF/EPperformance4GF/EP3．0hGF/EP。GF/EP9。GF/EP3．0hGF/EP。2．2GF/EP5%。60℃24hGF/EP48hGF/EP1。1GF/EPTable1EffectofcorrosiononGF/EPperformance/MPa48h/kJ/m248h/g48h138．319．46．53．422．823．7237．918．66．83．222．623．7338．419．36．43．322．723．7438．219．36．63．222．823．8538．319．26．43．322．823．6χ38．219．36．53．322．823．71GF/EPGF/EP。GF/EPGF/EP10～12。13。2．3GF/EP5。5GF/EPSEMFig5SEMoffracturesurfacemorphologyofGF/EP52。GF/EP—6—2016.Vol.30No．7《AdvancesinScience＆Technology》。2－5。GF/EP。GF/EP1415。6GF/EPSEMFig6SEMoffracturesurfacemorphologyofGF/EP312～3cm20%、120℃、3．0hGF/EP38．52MPa、6．46kJ/m2。2GF/EP5%60℃48h。1．/J．200836947～50．2．M．2008．3．J．200585520～525．4J．/2013616～19．5．J．2011454～57．6．/J．/2009542～45．7．/AFＲJ．/201143～7．8．J．/2008416～18．9．M．2004．10．/J．．20051150～53．11．J．2014441046～49．12．J．/2013428～33．13．J．/269～273．14．D．2005．15．J．．20093902檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸101～103．38PengMJGuoYYangXF．etal．Ahighlyselectiveratiometricandcolorimetricchemosensorforcyanidedetec-tionJ．DyesandPigments2013983327～332．9ZhangLWFangJGLiuYP．etal．Highlyselectiveoff－onfluorescentprobeforimagingthioredoxinreductaseinlivingcellsJ．JAmChemSoc20141361226～233．—7—……2016.Vol.30No．7