91九色蝌蚪_丁香六月狠狠综合天香_亚洲永久精品国产大片_国产b站免费版视频_老色鬼在线播放精品视频_天天看片97涩_小黄人福利导航_久久99精品国产麻豆婷婷_国产91精品精华液一区二区三区_91九色麻豆_综合亚洲欧美精品日韩?v_天天日天天日天天日天天日天天日天天日 _蜜月国产免费福利片_久久99国产精品片久久99蜜桃_国产精品无码专区在线观看_免费在线1区2区3区

搜索：  
Measurement of Bonding Strength between Elastic/Viscoelastic and Viscoelastic/Viscoelastic Bi-material Interfaces  
Measurement of Bonding Strength between Elastic/Viscoelastic and Viscoelastic/Viscoelastic Bi-material Interfaces
資料類型： PDF文件
關(guān)鍵詞： interface  mechanics  stress  singularity  bonding  strength  of  
bi-material  interface  viscoelasticity  polymeric  materials  
資料大小： 79K
所屬學(xué)科： 分子表征
來源： 第六屆亞歐研討會上處理和性能增強(qiáng)聚合物會議文集（2013.6.2-6 武漢）
簡介：
Elastic/viscoelasticorviscoelastic/viscoelasticbi-materialinterfacesexistinmanypolymericmatrixcompositematerials.Bondingstrengthbetweenpolymermatrixandreinforcingphase(fibers,particulates,etc.)playsanimportantroleinoverallpropertiesofcompositesandmeasurementofinterfaceandpredictingdamageandfailureofcomposites.Inthispresentation,anewinnovativetestmethodincludingspecimendesign,testprocedureandaniterativecalculationalgorithmisdevelopedformoreaccuratedeterminationofthebondingstrengthofbi-materialinterfaces.Acylindricalspecimenoftwobulkmaterialswithasphericalinterfaceisdesigned.Througheitheranalyticalorfiniteelementnumericalanalysesitisfoundthatforagivenbi-materialinterface,thereexistsacriticalbondinganglevalueatthefreeedgeofthesphericalbi-materialinterface.Ifthebondingangleisdesignedtobelessthanthiscriticalvalue,interfacestresssingularitycanbeeliminatedwhenthespecimenisunderanycombinedtensileandtorsionalloadings.Twotypesofbi-materialinterfacesareconsideredinthisstudy:interfacebetweenelasticandviscoelasticmaterials(aluminum/epoxy),andbetweenviscoelasticandviscoelasticmaterials(epoxy/polyvinylchloride).Interfacestrengthtestsarecarriedoutwiththedesignedspecimenunderpuretensile,puretorsionalandvariouscombinationofthetensileandtorsionalloadingcases.Foreachcase9thefailureloadlevelisrecorded.Duetoeliminationofthestresssingularity,interfacenormalandshearstressdistributionsalongthesphericalinterfaceatthefailureloadlevelcanbemoreaccuratelydeterminedthroughfiniteelementviscoelasticanalysis.Andaniterativecalculationtechniqueisdevelopedtofindthebi-axialnormal-shearbondingstrengthenvelopeforeachtypeofbi-materialinterfaces.Ithasbeendeterminedthatfortheepoxy/aluminuminterfaceandfortheepoxy/polyvinylchlorideinterfaces,theirstrengthenvelopcanbeexpressedas:
作者： Z. H. Xia
上傳時(shí)間： 2013-06-21 16:10:56
下載次數(shù)： 1
消耗積分： 2  
立即下載：
好
1人
中
1人
差
1人
友情提示：下載后對該資源進(jìn)行評論，即可獎(jiǎng)勵(lì)2分。
報(bào)告錯(cuò)誤：  1.下載無效　 2. 資料明顯無價(jià)值　 3. 資料重復(fù)存在

相關(guān)評論 共有0人發(fā)表評論 更多評論
你還沒有登錄，無法發(fā)表評論，請首先 登錄 注冊
免責(zé)聲明：本站部分資源由網(wǎng)友推薦，來自互聯(lián)網(wǎng)，版權(quán)屬于原版權(quán)人，如果不慎侵犯到您的權(quán)利，敬請告知，我們會在第一時(shí)間撤除。本站中各網(wǎng)友的評論只代表其個(gè)人觀點(diǎn)，不代表本站同意其觀點(diǎn)。