蜂窝材料及孔格结构技术的发展

(,100095):/Korex2Korex,,,,,:;;:TB383:A:100525053(2000)0320172206100,,,,,,,,:,;,[1];,1972,Nomex20,Korex[2]Korex[3,4],Nomex,Nomex,Korex,::2000206204;:2000208216:(19562),,20320009JOURNALOFAERONAUTICALMATERLALSVol.20,No.3September2000,,Korex,Nomex1Korex1Korex,11KorexTable1TypicalpropertiesofKorexCell2densityCompressivestabilizedStr./PsiMod./ksiPlateshearLdirectionWdirectionStr./PsiMod./ksiStr./PsiMod./ksi1/823.0375402501914591/824.57507549038260151/826.0120010053043310185/3222.42901901311071/421.51189684623/1622.016025125127053/1623.02282213893/1624.573841135224133/822.016025120137053/823.0360240181309OX23/821.5704505OX23/1623.039034105613014,KorexGlass1.6,Nomex2;Ko2rexGlass1.67,Nomex2.7;KorexGlass1.1,Nomex1.15;KorexGlass1.35,Nomex1.31;KorexFlatwisetensionGlass1.1,Nomex1.6,KorexGlassNomex27,KorexNomex,GlassNomex2,,8,237131(a);(b);(c);(d);(e)Fig.1Thecomparisonofdifferentpropertiesofhoneycombcore(a)compressivemodulus;(b)shearmodulus;(c)compressivestrength;(d)shearstrength;(e)flatwisetension2Fig.2ShortbeamshearfatigueKorexandothercores3Fig.3CompressivefatigueofKorexandothercores4Fig.4Rateofabsorbingmoisturefordifferenthoneycombcore5Fig.5Residualshearstrengthafterimpact471206Fig.6Theeffectofhot/wetontheshearstrengthofdifferenthoneycombcore7Fig.7Theeffectofhot/wetonthecompressivestrengthofdifferenthoneycombcore57138(a);(b);(c);(d)Fig.8Thetypicalhoneycombcorestructure(a)hexagon;(b)right2angle;(c)square;(d)triangle,,,,,12001500,3,,,,[5,6]:[1],.ARALL.ARALL(),1991,6.[2]Korex.Dupont,1996.[3].:,1993.800.[4].2..1992.[5].21.,1997(5):7.[6],,..,1998,82.67120DevelopmentofhoneycombcellstructureandmaterialsWANGYu2yingWURong2huang(InstituteofAeronauticalMaterials,Beijing100095,China)Abstract:AnewtypeKorexhoneycombcellmaterialswasintroduced.Korexisanaramid/phenolichighmo2dulus,highstrengthtruecompositehoneycombcore.Itwasfirstintroducedin1992inresponsetoindustryde2siresforalightweightcompositecorewithgreaterstiffness,strengthandfatigueresistance.ThemechanicalpropertiesandtypicalapplicationpropertiesforKorexhoneycombcoreofdifferentcell2densityhavebeenalsocomparedinthearticle.Afewnewtypehoneycombstructurehavebeengiven.Theresearchfornewtypehoney2combcellstructureandmaterialswillefficientlyincreasethemechanicalpropertiesofhoneycombstructure,de2creasetheirstructureweightandenhancetheirworkingreliability.Alltheseareverybeneficialtoenlargetheap2plicationofhoneycombstructureinaerospaceandotherindustryfields.Keywords:honeycombmaterials;honeycombcellstructure;development7713