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1、河南工程学院《专业英语》考查课课程论文论文题目TENSILEMECHANICALPROPERTIESOFWOODFIBER/PVCCOMPOSITES学生姓名:肖金普学号:201110617227学院:机械工程学院专业班级:材控1142专业课程:专业英语(机械)任课教师:党旭丹2014年11月28口评定项目分值成绩1、选题:科学实用,有新颖性,属于材料10科学与工程范畴具体而不空泛。2、论点:论文论点正确,观点鲜明,主题20突出。3、论文结构:论文结构合理,层次清晰,20逻辑性强。4、论证:独立思考问题并完成论文,能够理论联系实际,论文内容充
2、实,论证严密,30引用的数据或资料详实可靠。5、创新:有新意。106、写作规范:符合学术论文的基本体例,10语言通顺,篇幅适当,格式规范。总成绩:教师:时间:TENSILEMECHANICALPROPERTIESOFWOODFIBER/PVCCOMPOSITESABSTRACTTofullyexploitthetensilemechanicalpropertiesofwood-plasticcomposites,theeffectsofthepinepowderandricehuskpowdercontent,particlesizeandt
3、hetitanatecouplingagent(NDZ-101)contentwerebeenexamined.Theresultsshowedthatthetensilemodulesofelasticityincreasedfrom1535.72MPato1670.92MPa,whilethetensilestrengthdecreasedfrom23.09MPato21.9MPawiththepinepowdercontentfrom30sharesto60shares(phrmethod).Thetensilemodulesofela
4、sticityrisefrom1310.68MPato1398.23MPa,whilethetensilestrengthdecreasefrom23.66MPato21.81MPawiththecontentofricehuskpowderfrom30sharesto60shares.Whetherthepinepowderorricehuskpowderusedasfiller,thetensileelongationatbreakofthecompositesdroppedslightlylessthan1%,meanwhilepine
5、powdersizefrom150pmto315pmdidnotaffectthetensilestrengthofcomposites,allaboutinthevicinityof24MPa.Whentheamountoftitanatecouplerwas1.5(Phrmethod),thestretchingintegratedperformancewasbest.Withaddingthesameamountofpinepowderorricehuskpowder,ricehuskpowder/PVCcompositesaremor
6、eplastic,butpinepowder/PVCcompositesaremorerigid.KAYWORDSPVCCompositesMechanicalPropertiesStressStrain1.IntroductionWPC(Wood-PlasticComposites,shortforWPC)areuseduselesswoodfiber(iesawdust,bamboopowder,ricehusk,cropstraw,etc.)asreinforcementorfiller,usedthermoplasticsandthe
7、irrecyclingasthebasicmaterial,accordingtoacertainpercentageofhybrid,andaddedaspecialagent,hightemperatures,extrusion,moldingprocesstomakethenewmaterials.Theyhaveawidelyuse.WPCbothhaswoodandplasticdualperformance,theintegratedperformanceisbetterlIPVC-basedcompositesarenoton
8、lymothproof,anti-bacterial,flame-retardant,goodmechanicalproperties,butalsoenviron