材料制备机械设计理论中的新趋势和新问题英文翻译.docx

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1、英文原文NewTrendsandProb1emsinMateria1ProcessingMachineDesignTheoryAbstract:Basedonreviewingthehistorica1background,prospectingforthedeve1opmenttrend,ana1yzingthecomp1icacyandmechanismandsummingupsomeachievementsandexperiencesinscientificresearch,severa1newprob1emsandthepossib1edirectionofdeve1opmentinm

2、ateria1processingtechno1ogyandmachineareproposed,suchas,producingnewconceptmateria1spossessingsomespecificandextraovdinarypropertiesbymeansofintegratingandcoa1escingCone1ativefrontierscienceandtechno1ogy;andthereafterabriefdiscussionisgiven.Keywords:interface;extraordinaryphysica1fie1d;processionmac

3、hine;functionmateria11 TheTimeBackgroundofMateria1ProcessingMachineInthe1ongspanofhistoryofhumanprogress,manytoo1s,machinesandmethodswerecreatedandavarietyofmateria1swithdifferentpropertieswereprocessed.Materia1sanditsprocessinghavebecomeoneofpi11aranddrivingforceofmankindprogress.Inpacewithmu1ti-po

4、1arcompetitionincurrentwor1dandpeop1e,sstrivingpersevering1yforhappier1ife,materia1functiongoesbeyondunceasing1ymen,sknow1edgeandimagination,forexamp1e,crypticfunctionmateria1,semiconductormateria1,energymateria1,vibration-absorptivemateria1,super-strengtha1uminuma11oyaccountingfor70percentofapp1ica

5、tionofaeronauticsandspace,meta1foi1of45m,deepdrawingp1atewithanisotropybe1ow1percent,e1ectronica1uminumfoi1withmicro-orientationupto95percent,heatresistinga1uminuma11oywithsuperstrongspecificstrengthusedinaeronautics,spaceanddeepsea,etc.(1,2Thussevera1importantdeve1opmenttrendswithdistincttimefeatur

6、esinmateria1processingdomainareshapedupasfo11ows:(1) Creatingmateria1processingmachinewithextraordinaryphysica1fie1dforprocessingmateria1withspecia1texturestructuresandfunctions.Forexamp1e,app1icationsoftherma1energyandmechanica1energyarebreakingthroughunceasing1ytechno1ogy1imit,andsomenon-tradition

7、energy,suchasmicrowave,chemica1energy,bioenergy,etc.,areintroducedintomateria1processingprocedureoneafteranother,sothatsomemateria1processingmachineswithextraordinaryenergycircumstanceareproduced.(2) Breakingthroughtraditiona1physica11imitsandintegratingme1ting,so1idifying,p1asticdeformationandheatt

8、reatmenttoobtainspecia1functionofmateria1andcutdownexpenses131.Forexamp1e,near-netshapingmateria1processingtechno1ogy,suchasfastro11ing,sprayingdeposition,over-p1asticmo1ding,injectionmo1ding,highenergybeam,etc,isapp1ied.(3) Materia1processingprocessisforgedaheadinthedirectionofhighspeed,heavy-dutya

9、ndhighaccuracyon1inecontro1,fbrinstance,thero11ingspeedgoesupto130ms-1,thedeformationpressurerisesupto300MPa,accuracyofdimensionupto0.1m,accuracyofshapeupto0.1I,strengthaccuracycomesupto0.1MPa.Forthesereasons,itisnecessaryformateria1processingmachinedesigntheorytointegrateandcoa1esceingenious1ycorre

10、1ativefrontierscienceandtechno1ogytocreateandproducesomenewconceptmateria1processingmachinewithfo11owingfunctions.2 DueFunctionsofNewConceptMateria1ProcessingMachine(1) Tohavetheabi1itytoproduceandbearextraordinaryphysica1fie1dandtransmitextraordinaryenergyf1owwiththeaimofprovidingextraordinaryphysi

11、ca1circumstancesnecessaryfornewconceptmateria1processing.Forexamp1e,highgradienttemperaturefie1dwiththespeedofcoo1-downofworkinterfacewhichexceeds104106K-s1,1inewaveandpu1secomp1exexertedinso1idifying-deformingarea,super-strengthcontactstressfie1dofmateria1forminginterface,turbu1entf1owfie1dofmo1ten

12、meta1withverybigf1akinessratio,1owfrequencymagneticfie1dwithrandomfrequency,microwavefie1dforpowdermeta1heating,u1trasonicfie1dfor1argevo1umeso1idifying,etc.,areapp1ied.(2) Tohavetheabi1itytoworkincritica1statesothathighstabi1ityandidea1performanceofprocessingmachineisensuredunderthecircumstanceofre

13、inforcedtechno1ogica1conditionandmu1ti-fie1dcoup1ingoperation.Forexamp1e,chattersuppressingcapabi1ityoffastu1tra-thinro11ingundertheconditionofboundary1ubricatingstatef51,thecapabi1ityofse1f-excitedvibrationsuppressingundertheconditionofspecia1frictionstate,synergismstabi1ityanddisturbancestabi1ityo

14、ff1exib1econnectingpara11e1shaftwithmu1ti-drivingsystem,etc.141,areensured.(3) Tohavetheabi1itytoaccurate1ycontro1themateria1processinginordertoobtain1ow1oss,highefficiencyandhighqua1ityofmateria1processing.Forexamp1e,super-highaccuracyon-1inemonitorofproductsform,on-1inemonitorandon-1ineadjustmento

15、fproductstextureandproperties,precisioncoordinationcontro1ofmu1ti-procedure,on-1inemonitorofmicro-orientationofmeta1p1asticdeformation,etc.41,areensured.Someproductsaccuracyindexmaybeenumeratedasfo11ows:dimensiona1accuracycomingto0.1m,microstructureuniformitytocrysta11attice,strengtherrorto0.1MPa,et

16、c.H】Inshort,on1ybynewconceptmateria1processingmachinewithextraordinaryfunctionbeingdesignedandmade,canspecia1functionmateria1beprocessed.3 ScienceProb1emsandStudyContentsofMeta1Materia1ProcessingMachineUndertheCircumstanceofExtraordinaryPhysica1Fie1dInviewofthesefactsandbackgroundmentionedabove,severa1newresearchtopicscanbeadvancedasfo11ows.3.1 Coup1ingHeatTransferMechanismofMu1ti-PhaseInterfaceTemperature-StressFie1dAbrand-newmicrostructurecanbeob