复合工艺对轻质木塑复合材料性能的影响毕业论文VIP免费

论文题目：复合工艺对轻质木塑复合材料性能的影响学院：材料工程学院专业年级：材料科学与工程20xx级学号：姓名：指导教师、职称：xxx教授20xx年xx月xx日InfluenceofcompoundtechnologyonPropertiesoflightweightWood-PlasticCompositesmaterialsCollege：MaterialEngineeringCollegeSpecialtyandGrade：MaterialsScienceandEngineering，20xxNumber：Name：Advisor：professorxxxSubmittedtime:xxxx，20xx目录摘要................................................................1关键词...............................................................1Abstract..................................................................2Keywords..................................................................21引言...............................................................31.1国内外研究现状..........................................31.2研究内容及意义........................................42试验原料与试验方法......................................42.1试验原料..................................................42.1.1材料....................................................42.1.2仪器....................................................42.2试验方法..................................................52.2.1确定复合工艺因子因子：......................52.2.2试验方案设计........................................62.2.3具体实验步骤........................................63结果与讨论..................................................103.1试验结果..................................................103.1.1复合工艺对内结合强度的影响分析.......103.1.2复合工艺的含水率的影响分析..............113.1.3复合工艺对吸水厚度膨胀率的影响分析123.1.4复合工艺对静曲强度的影响分析..........134结论.............................................................144．1结论....................................................144.2存在的问题与建议...................................14参考文献.........................................................16致谢................................................................17福建农林大学本科毕业论文摘要：本文利用木纤维与聚苯乙烯制备复合材料，分析热压时间、热压温度、塑料配比等工艺因子对复合材料性能的影响，确定制得最佳材料性能的复合工艺条件。结果表明，当温度为140℃、热压时间为7min、塑木质量比为0.3时，所得复合板的各项性能最佳。温度较高时，木纤维降解加剧，塑料熔融，性能反而有所下降。热压时间过短时，木材发泡不充分，内结合强度较差；木塑比为10:3时效果最好，内结合强度低，吸水膨胀率高，塑料含量高时，静曲强度低。通过极差分析得，本研究的最佳工艺条件为：热压温度为140℃，热压时间为7分钟，木塑比为10:3。关键词：木纤维；可发性聚苯乙烯；复合工艺1Abstract:Theinfluenceoftheprocessfactorsonthephysicalpropertiesofwood-plasticcompositeswasinvestigated.PolystyreneandXylemfiberwereusedasthemainrawmaterial,andthevariousprocessfactorssuchasdifferentkindsofplastics,themixingratiobetweenthewoodmaterialanditsplasticcounterpartandhotpressingtemperature，wereexamined.TheresultsshowthatWhenthetemperatureis140℃,hotpressingtimewas7min,WPCmassratioof0.3,madethebestperformanceofcompositepanels.Atextremelyhightemperaturethewoodfibermaterialdegradesdrasticallyandplasticmelting.Themixingratiobetweenwoodandplasticshasitsbestperformanceattentoonewood-plasticsratio.InternalbondstrengthdecreaseandhighwaterexpansionwhenthewoodplasticratioislowerandpropertiesofMORareweakenedwhenitbecomeshigher.Basedonbothofthemaximumdifferenceanalysis,thetestshowstheoptimumconditions...