复合材料教案7范文

复合材料教案7范文 Teaching TopicChapter7Natural fiber posites Lecturinghours90min TeachingObjectives1.Know theprogress onplant fibers reinforced polymer posites2.Know theposition and structure of the naturalmacromolecule3.Know severalkinds of plant fibers reinforced polymer posites4.Know themodification ofsisal fiberand itsapplication inreinforced phenolformaldehyde positesTeaching Emphases1.The definitionof plant fibersreinforced polymerposites2.The application ofplant fibersreinforced polymerposites.Teaching DifficultPoints Thestructure ofplant fibersand theproblem of fibrematrix adhesionTeaching MethodsLecturing+PPT+heurism+interaction TimeArrangement45min(The detailedteaching contentis inPPT presentedon-class.)7.1.Introduction:Progress andimportance ofplant fibersreinforced polymerposites; (1)Advantages ofplant fibers; (2)Comparison ofthe properties of naturalfibres andglass fibres; (3)Drawbacks ofconventional plantfiberposites; (4)Fully biodegradableposites;7.2.Surface problemoffibrematrix adhesion; (1)Treatments methodsof naturalfibres; (2)surface micro-morphology ofcuraua fiber; (3)The positionandstructureofthe40min natural-macromolecule;7.3.Approaches formanufacturing all-plantfiberposites; (1)Flow chartof all-plantfiberposites; (2)The fibre/polypropylene posites; (3)Charpy impactstrength offibre/polypropylene posites; (4)Natural-fibre-reinforced polyurethanemicrofoams; (5)Strcture of natural-fibre-reinforced polyurethanemicrofoams;7.4.Applications (1)Natural-fibre PMCsin automobile; (2)Special applicationofnaturalfiber:Modification ofsisal fiberand itsapplication inreinforced phenolformaldehyde wear-resistant posites7.5.A researchExample:Sisal fiberbreak materials?Advantages anddrawbacks ofSisal fibers;?Sisal fibermodification;1.Effects of SF treatmentson mechanical properties of SF/PF posites;2.Effects of SF treatmentson thermalproperties of SF/PF posites;3.Effects ofSF treatmentson thermalexpansion properties ofSF/PF posites;4.Effects ofSF treatmentson wearresistence properties ofSF/PF posites;5.Effects ofSF contentson mechanicalproperties ofSF/PF posites;6.Effects ofSF contentson dynamicmechanicalproperties ofSF/PF posites;7.Effects ofSF contentson frictionand wearpropertiesofSF/PF posites;8.SEM micrographof wornsurface ofSF/PF positeswith differentfiber contents;9.Effects ofthe matrixon thermalpropertiesofSF/PF posites;10.Effects ofthe matrixon dynamicmechanical PropertiesofSF/PF posites;11.The stressrelaxation andcreep propertiesof Nano-SiO2-PF posites;12.Effects ofSF treatmentson frictionand wearpropertiesofSF/Nano-SiO2PF posites;13.The frictionand wearpropertiesofSF/Nano-SiO2PF positesunder differentloads;14.The abrasionsurface morphologyof purePF,SF/PF,SF/nano-SiO2-PF;7.6Conclusions Summary(5min)1.Description ofplant fibers,plant fibersreinforced polymerposites andapplicationofplant fibersreinforced polymerposites.2.Demostration theimportance of