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1、美国留学申请：PS范文(机械工程专业)2010-09-2717:14:20 来源：留学E路通 字号：大
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3、小 范文1： Mechanicalengineeringisthefoundationofindustry.Itplaysakeyroleinthenationaleconomy.It’sbroadfieldincludinggeneralengineering,aeronautical,chemicalandnuclearengineering,etc.Providesasufficientroomofchoicesformetorealizethedre
4、amofbecomingascientistoramechanicalengineer.ItwaswiththisfactinmindthatIdecidedtochoosemechanicalengineeringasthemajorfieldofstudyforbothundergraduateandgraduatecareeratTsinghuaUniversity. DuringnearlyeightyearsofstudyatTsinghuaUniversity,Icompletedatotalof47coursesinundergraduatestudy,14cou
5、rsesingraduatestudy.Themajorcoursesthatinterestedmemostincluded:TheoreticalMechanics,StrengthofMaterials,ElasticityandPlasticityMechanicalAnalysisofPlasticDeformationProcesses,TheoryofMetalForming,ComputerLanguageandProgramming,MechanicalDesign,etc…Aftergraduation,IenteredtheFirstHeabyMachine
6、ryWorks(innortheastofChina).Duringthisperiod,Ibecamefamiliarwiththedesignandmanufacturingofsomeheavymachines,thusfurtheringmyinterestinmechanicalengineering.Atthesametime,Ifoundthatmanygoodideasofdesigncouldnotbeputintoexistencebecauseofthebackwardnessinrawmaterialqualityandprocessingtechniqu
7、es.Thisfactimpelledtherelatedareasandmetoconcentratemyresearchinterestonmaterialsscienceandprocessing.Throughcarefulsurvey,Iselectedasubjectaboutthequalitycontrolofheavydiscforgingandtookitasmyresearchsubjectformasterdegree.Afterovertowyearsofinvestigation,Ifinallymadeagreatinnovationinthefor
8、gingprocess,makingtheendproductrateincreasefrom50%to90%.Inthecourseofinvestigationandmylaterworkingaftergraduatestudy,Ialsofoundsomeproblemsthatarecommoninmechanicalindustry.Forexample,howdocracksinproductsduringhotmetalworkinggenerateanddevelop?Howtoavoidcracks?Howdonon-metallicinclusionsaff
9、ectthepropertiesofmaterials?Howtocontrolthecontent,shapeanddistributionofinclusionsinfinalproducts?Solutiontotheseproblemswillimprovethequalityofmanykindsofproducts.Buttheyareoftendifficulttobesolvedbecausetheyincludeknowledgeofmanydiscipline
