簡(jiǎn)介：碩士學(xué)位論文碩士學(xué)位論文航空諧波減速器性能測(cè)試裝置研制DEVELOPMENTOFANEQUIPMENTFAERONAUTICALHARMONICREDUCERPERFMANCE申倩哈爾濱工業(yè)大學(xué)哈爾濱工業(yè)大學(xué)2014年6月CLASSIFIEDINDEXTP3062UDC621THESISFTHEMASTERDEGREEINENGINEERINGDEVELOPMENTOFANEQUIPMENTFAERONAUTICALHARMONICREDUCERPERFMANCECIDATESHENQIANSUPERVISPROFZHAOYONGPINGACADEMICDEGREEAPPLIEDFMASTEROFENGINEERINGSPECIALITYINSTRUMENTSCIENCETECHNOLOGYAFFILIATIONDEPTOFAUTOMATICTESTCONTROLDATEOFDEFENCEJUNE27TH2014DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

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簡(jiǎn)介：中國(guó)民用航空學(xué)院碩士學(xué)位論文基于計(jì)算機(jī)視覺的航空發(fā)動(dòng)機(jī)孔探技術(shù)研究姓名李研強(qiáng)申請(qǐng)學(xué)位級(jí)別碩士專業(yè)導(dǎo)航、制導(dǎo)與控制指導(dǎo)教師羅云林20040214里墾旦塾至蘭墮堡蘭蘭壘笙壅一ABSTRACTTHETECHNIQUEOFHOLEDETECTIONISVERYIMPORTANTMETHODTOTHEMAINTENANCEOFAVIATIONENGINEINPAST，THEDETECTIONOFAVIATIONENGINEWASVIAARTIFICIALLYINSPECTIONBYFIBROUSENDOSCOPEACCORDINGHUMANEXPERIENCES，THEFAULTWASESTIMATEDSOTHEHUMANFACTORANDDIFFICULTYOFDETECTIONISHAPPENEDWITHTHEDEVELOPMENTOFIMAGEPROCESSINGANDCOMPUTERVISION，ANEWMETHODOFHOLEDETECTIONCOMEINTOBEINGBASEDONVISIONTECHNIQUETHEIMAGINGANALYZINGOFHOLEDETECTIONIMAGEHASBEENVERYIMPORTANTINENGINEFAULTDIAGNOSISRESEARCHINGANDDEVELOPINGTHESYSTEMOFTHREEDIMENSIONSMEASUREANDSTEREEBUILDINGBASEDONHOLEDETECTIONIMAGEISVERYNECESSARYFORIMPROVINGTHELEVELOFDIAGNOSISANDMEASUREMEM，ANDREDUCINGTHECOSTOFHUMANANDPHYSICALTHING，SAVINGTHECOSTOFMAINTENANCEWITHTHEDEVELOPMENTOFELECTRONICENDOSCOPEANDIMAGEPROCESSINGANDCOMPEERTECHNIQUE，THISSUBJECT“THERESEARCHOFTECHNIQUEOFHOLEDETECTIONOFAVIONICENGINEBASEDONCOMPUTERVISION”ISPOSSIBLEITPROVESTHEPOSSIBILITYANDGIVESTHESCHEMEWHOLE，ANDANALYZESTHETHEORYABOUTTHEKEYTECHNIQUEITGIVESTHEINTRODUCTIONOFTHEHARDWAREANDSOFTWAREINDETAILSANDATTHESAMETIMESHOWTHEMETHODOFREALIZATIONINPARTLYTHERESEARCHOFTHESUBJECTCANDOSOMEGOODTHINGSTOIMPROVETHEHOLEDETECTIONTECHNIQUEANDTHEMODEMIZATIONOFCIVILAVIATIONKEY、VORDAVIATIONENGINEHOLEDETECTIONIMAGEPROCESSINGCOMPUTERVISION兒

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簡(jiǎn)介：分類號(hào)密級(jí)UDC編號(hào)河北工業(yè)大學(xué)碩士學(xué)位論文民用航空飛機(jī)實(shí)時(shí)參數(shù)信息提取民用航空飛機(jī)實(shí)時(shí)參數(shù)信息提取方法研究及驗(yàn)證方法研究及驗(yàn)證論文作者李永津?qū)W生類別全日制專業(yè)學(xué)位類別工程碩士領(lǐng)域名稱電子與通信工程指導(dǎo)教師李景春職稱教授級(jí)高級(jí)工程師資助基金項(xiàng)目國(guó)家自然科學(xué)基金（61139001）

簡(jiǎn)介：大連理工大學(xué)碩士學(xué)位論文高強(qiáng)抗熱腐蝕航空渦輪葉片材料（DZ68）的初步研制姓名于忠鋒申請(qǐng)學(xué)位級(jí)別碩士專業(yè)材料表面工程指導(dǎo)教師于永泗鄭志20070601高強(qiáng)抗熱腐蝕航空渦輪葉片材料DZ68的初步研制PRIMARYDEⅦLOPM匝NTOFHIGHS眥N冊(cè)ANDHOTCORROSIONITESISTANCEAEROENGINETURBINEBLADEMATER【ALDZ68ALLOYABSTRACTINORDERTOMEETTHEREQUIREMENTSOFMARINEGASTURBINEBLADEMATERIALSANEWTYPEDDIRECTIONALSOLIDIFICATIONNICKELBASESUPERALLOYDZ68ALLOYWASDEVELOPEDSODZ68ALLOYSHOULDHAVEHIGLLTEMPERATURECAPABILITYANDGOODHOTCORROSIONRESISTANCEONTHEBASISOFRENE’142，DZL25LANDDZ38G0M38ALLOYSDZ68WASMADEBYOURSELVESWITHLOWSEGREGATIONNESEGREGATINGLIGHTLYPPHASEFORMINGELEMENTSOFAIANDTAA塢ADDEDINTODZ68FORPRECIPITATIONHARDENINGTHISALLOYHASASMALLAMOUNTOFTIANDNOHFORNBSEGREGATINGSEVERELYELEMENTSHI曲CONTENTSOFREFRACTORYELEMENTSSUCH勰WANDRE眥ADDEDFORSOLIDSOLUTIONSTRENGTHENINGANDHIP血CRCONTENTISADDEDINTODZ68FORHOTCOITOSIONRESISTANCEN屺HEATTREATMENTOFDZ68ISCOMPOSEDOFPRIORHOMOGENEOUSLREATMENTSOLIDSOLUTIONTREATMENTANDTWOAGINGTREATRNENTSTHEWHOLEHEALTREATMENTASFOFLOWS1240℃／05HRS1260℃／05HRS1280℃／2HRSAIRC0011120℃／4HRSONEHOURCOOITO1080℃1080℃／4HRSAIRCOOL，900℃／4HRSAIRC001MECHANICALPROPERTIESOFDZL25，DZ38GANDDZ68一LALLOYSAFTEREACHHEATTREATMENTHAVEBEENCOMPAREDINTHISPAPERTHCRUPTURECONDITIONSAIEINTHEC螄SOF980℃／235MAAND980℃／245M腿低HOTCORROSIONRESISTANCESOFDZL25LDZ38GANDIZ68一LALLOYSHAVEBEENCOMPAREDATTHECONDITIONSOF900℃AND75％NAZSOT十25％NACLMOLTENSALT11”MECHANICALLYEXPERIMENTALRESULTSSHOWTHATTHEMECHANICALPROPERTIESOFDZ681ARHIG虹BECAUSETHE1一VOLUMEFACTIONOFDZ681ISABOUT50％ANDITCONTAINSACERTAINAMOUNTSOFWANDRE11艟ROOMTEMPERATURETENSILEPROPERTIESOFDZ681撒SIMILARTODZL25，THEEXTENSIONSTRENGTHANDEXTENSIBILNYOFDZ380ISPOOL111ERUPTUREPROPERTIESOFDZ68LALEEQUIVALENTTODZL25INTHEEXPERIMENTALCAS器ANDBETTERTHANTHATOFDZ38GTHEHOTCORROSIONEXPERIMENTALRESULTSSHOWTHATTHEHOTCORROSIONRESISTANCEOFDZ681ISEQUIVALENTTODZ38GALLOYANDBETTERTHANTHATOFDZL25LINTHISPAPERTHEHOTCORROSIONMECHANISMOFTHRECALLOYSISPREVIOUSLYPROPOSEDTHEBASICDISSOLUTIONMODEL11碓PROCESSESOFTHEIRHOTCORROSIONAREDIFFERENTFURWHICHTHEYHAVEDIFFERENTCOMPOSITIONS，CORROSIVEPRODUCTIONSANDⅡLIC∞蚰ⅫTLL潞DZL25LALLOYISCORRODEDSEVERELYAFTERSHORTTIME；DZ38GALLOYISLOCALLYCORRODEDSERIOUSLYFORITSNONUNIFORMMICROSTRUCTARE；DZ68LALLOYHASA

簡(jiǎn)介：南京航空航天大學(xué)碩士學(xué)位論文CALS技術(shù)及其在航空產(chǎn)品維修保障中的應(yīng)用研究姓名王金偉申請(qǐng)學(xué)位級(jí)別碩士專業(yè)機(jī)械電子工程指導(dǎo)教師樓佩煌200231CALS技術(shù)及其在航空產(chǎn)品維修保障中的應(yīng)用研究ABSTRACTWEAPONSYSTEMSAREBECOMINGTOOCOMPLEXOWINGTOTHEDEVELOPMENTOFSCIENCEANDTECHNOLOGYHOWEVERHIGHTECHWEAPONCANEXERTADVANCEDTECHNOLOGYUNDERHIGHTECHLOGISTICSSUPPORTSYSTEMTHESEARECHALLENGESFORLOGISTICSSUPPORTTECHNOLOGYTHISTHESISFIRSTLYINTRODUCESNEWDEMANDSOFAERIALPRODUCTLOGISTICSSUPPORTUNDERHIGHTECHWARANDSOMEDEFECTSOFTRADITIONALLOGISTICSSUPPORT，ANDPUTSFORWARDAKINDOFSYSTEMMODELOFAERIALPRODUCTLOGISTICSSUPPORTFOLLOWINGDATASHARINGOFCALS，ANDEMPHASIZESIETMSECONDLYITSETSFORTHAPPLICATIONOFSTEPANDXMLINTHEIETM，RESEARCHSCONVERSIONOFXMLSCHEMAANDRELATIONSCHEMA，ANDSIMPLYRESEARCHSMAPPINGOFXMLANDEXPRESSAFTERWORD，ABASEDXMLFRAMEWORKOFINFOTRANSFERBETWEENDIFFERENTPLATFORMAREPRESENTED，ACCORDINGTOTHISFRAMEWORK，THEAUTHORESTABLISHAARCHETYPALSYSTEMOFHELICOPTERINFORMATIONQUERYSYSTEMBASEDXMLANDDBMSINTHEEND，AFTERTHESUMUPOFTHEWHOLEPAPER，SOMEFURTHERRESEARCHESARESUGGESTEDKEYWORDSCALS、LOGISTICSSUPPORT、IETM、STEP、XML、DATABASE。第1I頁(yè)

簡(jiǎn)介：合肥工業(yè)大學(xué)碩士學(xué)位論文航空發(fā)動(dòng)機(jī)主軸軸承可靠性技術(shù)研究姓名焦育潔申請(qǐng)學(xué)位級(jí)別碩士專業(yè)機(jī)械工程指導(dǎo)教師呂新生張錫昌20040301RESEARCHONRELIABILITYTECHNOLOGYFORMAINSHAFTBEARINGSOFAIRCRAFTENGINETHEMAINSHAFTBEARINGSOFAIRCRAFTENGINEAREKEYPARTSOFPLANEITSRELIABILITYANDLIFEAFFECTDIRECTLYONTHERELIABILITYANDLIFEOFENGINEANDEVENWHOLEPLANETHISPAPERESTABLISHEDASITEDATACOLLECTSYSTEMANDADATAMANAGEMENTSYSTEMFORTHEMAINSHAFTBEARINGSOFAIRCRAFTENGINECOLLECTEDALOTOFDATUMANDFAILURESAMPLESTHROUGHSTATISTICANALYSISOBTAINEDTHEMAJORFAILUREMODELOF廿LEBEARINGSANDITSPRINCIPLEOFFORMATION，ANDPUTSOMESPECIFICMEASURESTHATCANPREVENTBEARINGFROMFAILINGINEARLYSTAGETOIMPROVEITSRELIABILITVWCRESEARCHEDANDESTABLISHEDDATAMODELOFTHESITEDATAFORTHEMAINSHAFTBEARINGSANDAPPRAISEDITSRELIABILITYLIFEBYTHESURVIVINGRATIOMETHODT11EMEANHITCHMETHODANDTHEACCUMULATEDHITCHMETHODTHEMINIMUMSQUAREMETHODWASUSEDINREGRESSINGANALYSISFORTHERESULTOFTREATMENTINASUPPOSEDDIS仃IBUTIONFUNCTION，THE“D”EXAMINATIONMETHODWASUSEDFORWEIBULLDISTRIBUTIONANDINDEXDISTRIBUTION，ANDOBTAINEDTHEDISTRIBUTIONTYPEINTHELIFEOFTILEMAINSHAFTBEARINGS，APPRAISEDTHERELIABILITYLIFE，THEMEANLIFEANDTHERELIABILITYIN500HOURSOF廿1EMAINSHAFTBEARINGSWITILTHEORETICALDISTRIBUTIONFUNCTIONW_ERESEARCHEDTHEPECULIARITYOFTHESMALLANDNOLOSSINE伍CACYSAMPLEBOOKANDESTABLISHED廿LERELIABILITYTESTMETHOD，ADVANCEDACHECKPLANFORRELIABILITVTESTMEETINGASPECIFIEDRELIABILITYREQUIREMENTOFTHEMAINSHAFTBEARINGSTHEIMPROVEDBEARINGSWERETESTEDIN500H。600HAND900H，ANDTHERESULTSOF廿LETESTWEREANALYZEDKEYWORDSMAINSHAFTBEARING，F(xiàn)AILURE，RELIABILITY

簡(jiǎn)介：大連理工大學(xué)碩士學(xué)位論文航空配載與重量平衡計(jì)算系統(tǒng)姓名苗森申請(qǐng)學(xué)位級(jí)別碩士專業(yè)軟件工程指導(dǎo)教師周東清20071125航空配載與重量平衡計(jì)算系統(tǒng)THEAIRCRAFTWEIGHTANDBALANCESYSTEMKBSTRACTASONEADVANCODANDMODEMTRANSPORTMODEAIRTRANSPORTHASBEENDEVELOPEDATFULLSPEEDANDFOCUSEDONWIDELYINTHEFIELDSOFINTERNATIONALTRANSPORTATIONANDBECOMESTHEQUICKESTTRANSPORTMODEWHICHGUARANTEESTHEINTERNATIONALTRADEAILOVERTILEWORLDINFUTURETRANSPORTATIONOFINTERNATIONALTRADE，AIRTRANSPORTWILLBECOMEONEOFTHEMOSTIMPORTANTROLESANDEFFECTIVESTRENGTHINMODEMTRANSPORTATION，11艟DEVELOPMENTOFITACCOMPANIEDWITHTHERESEARCHACHIEVEMENTOFAIRCRAFTWEIGHTANDBALANCESUPPLYTHEBASICTILEORYANDTECHNICALSUPPORTDURINGTHEPROCESSOFDEVELOPMENTANDRESEARCHOFAIRCRAFTWEIGHTANDBALANCEPROG舢WEIGHTANDBALANCEISANIMPORTANTPIOCEDUREOFAIRTRANSPORTFILLINGLOADINGSHEETANDWEIGHTBALANCESHEETMANYDATASHOULDBEPROCESSEDWITHTHECHARACTERISTICSOFACCU陽(yáng)TCCA_LCTFIATIONMUCH】IMITAFIONANDTIGHTTIMETHEAIRCRAFTWEIGHTANDBALANCESYSTEMHELPSS詛FRWORKMOREEFFNCIENTLY。MOREACCURATELYANDMOREINTELLECTUALLYTHEAIRCRAFTWEIGHTANDBALANCESYSTEMISANAPPLICABLEMODULEOFCOMPUTERDEPARTURESYSTEMANDMAINLYUSEDBYSTAFFOFAIRLINESANDAIRCARGOTERMINALSITCANBEUSEDEITHERACCOMPANIEDBYTHEOTHERSYSTEMORALONEWEIGHTANDBALANCINGISTHENECESSARYPROCEDUREBEFOREDEPARTURETHESTAFFOFWEIGHTANDBALANCEDEPARTMENTSHOULDCONSIDERALLKINDSOFFACTORSWHICHINFLUENCETHEBALANCEOFAIRCRAFTTHENDECIDETHESCALLEI“OFLOADINGANDCHEEKIFTHEWEIGHTANDCENTEROFGRAVITYISWITHINTHEREGULATEDLIMITATIONAFTERGETTINGTHERELEVANTAIRCRAFTDATAWEIGHTANDBALANCINGALSOCANBEPROCESSEDBYMATLPOWERBUTIT’SVERYCOMPLICATEDANDEASILYAFFECTEDBYARTIFICIALFACTORSWHICHRESULTINEITORSMEANWHILETHESPACEANDMAXIMUMLOADOFCABINETCAN’TBEUSEDSUFFICIENTLYTRADITIONALWEIGHTANDBALANCINGCALLONLYUSE50％SPACEAND70％LOADING，THECOMPUTERSYSTEMANDMANPOWERJOBFOLLOWTHESAMEFLOW，ESTABLISHCOMPLETEOUTBOUNDCARGODATABASE，PUTTHECARGOINORDERACCORDINGTOLIMITATIONSANDCHOOSETHEBESTCOMMODITYFORTHEOTHERCONSIDERINGTHESPACEANDLOADINGUSAGE，INTELLECTUALWEIGHTANDBALANCESYSTEMHELPSBALANCINGDEPARTMENTGAINHIGHE伍FICIENCY，ACCURACYANDBENEFITKEYWORDSAIRTRANSPORT；WEIGHT；BALANCING；CENTEROFGRAVITYII

簡(jiǎn)介：浙江大學(xué)碩士學(xué)位論文綜合應(yīng)力作用下航天電連接器加速壽命試驗(yàn)的研究姓名李奇志申請(qǐng)學(xué)位級(jí)別碩士專業(yè)機(jī)械設(shè)計(jì)及理論指導(dǎo)教師陳文華盧獻(xiàn)彪20040201浙江大學(xué)碩士學(xué)位論文ABSTRACTINTHISDISSERTATION，THEMODELY11X1419ELECTRICALCONNECTORASTHEOBJECT、UNDERTEMPERATUREANDVIBRATIONSTRESSES，THEFAILUREMECHANISMHASBEENANALYZED．THERELIABILITYMODELHASBEENBUILT，BASEDONABOVE，THERELIABILITYTESTMETHODOFELECTRICALCONNECTORSHASBEENDEEPLYRESEARCHEDANDTHEDATEDRAWINGFROMTESTEXPERIMENTWASTREATED．FIRST，BRIEFLYSTATEDTHEDEVELOPINGHISTORYANDCURRENTSITUATIONOFRELIABILITYENGINEERING，INTRODUCETHERELIABILITYTESTMETHODANDDEVELOPINGTRENDSMOREOVER，THESTATISTICALANALYSISMETHODANDEXISTINGPROBLEMS，ELECTRICALCONNECTORSRELIABILITYRESEARCH’SCURRENTSITUATIONANDEXISTINGPROBLEMS，ANDRELIABILITYTESTPLANANDEXISTINGPROBLEMSWASPRESENTATION．SECOND，THROUGHANALYZINGTHERELATIONBETWEENTHETEMPERATUREANDVIBRATIONSTRESSANDTHELIFEOFCONNECTOR，ANDCOMBININGWITHTHETHEORYOFPROBABILITYANDSTATISTICS，DEDUCETHEFAILUREPHYSICSEQUATION，ANDSETUPARELIABILITYSTATISTICALMODEL．LAIDAFOUNDATIONFORWORKINGOUTELECTRICALCONNECTORRETIABILITYTESTPLANSANDTREATINGELECTRICALCONNECTORSTESTDATA．，THIRD．PROPOSEDANDRESEARCHEDOPTIMIZINGDESIGNMODEOFCONSTANTSTRESSACCELERATED1IRETESTPLANSUNDERTHETEMPERATUREANDVIBRATIONSTRESSES．ACCORDINGTOTHISMODE，UNDERTHETEMPERATUREANDVIBRATIONSTRESSES，ANDCOMBININGWITHUNIFORMLYORTHOGONALDESIGNTHEORY，ANDOPTIMIZEDTHETESTPLANSOFELECTRICALCONNECTOR．THERESULTSHOWSTHAT，THROUGHOPTIMIZINGTESTPLANUNDERTHECONDITIONOFESTIMATEPRECISIONKEEPINGFIXED，THETIMESOFTESTANDCORRESPONDINGNUMBEROFSPECIMENSMAYBEREDUCED，THUS，THETIMEMAYBESHORTENEDANDTESTCOSTREDUCEDGREATLY．BYTHISMEANS，PRODUCTRELIABILITYLEVELMAYBEEVALUATEDQUICKLY．FOURTH，PROPOSEDANDRESEARCHEDTHEEVALUATIONMETHODOFACCELERATEDLIFETESTPLANSBYSIMULATION．0NTHEBASISOFSIMULATINGEVALUATIONTOVARIOUSELECTRICALUSINGUNIFORMLYORTHOGONALDESIGNTHEORYTOARRANGETHEFOURLEVERTEMPERATURESANDFOUR．1EVERVIBRATIONSTRESS，CATCHANEXCELLENTACCELERATEDLIFETEXTPLAN．WHICHMAKETHEESTIMATEVALUEHAVETHEWELLPRECISIONINNORMALSTRESSLEVER，ATTHESAMETIMETHATCARLREDUCETHESAMPLENUMBERANDSHOLTENTHETESTTIME．FIFTH．THROUGHSTATISTICALANALYSISOFELECTRICALCONNECTORACCELERATEDLIFETESTDATA．VERIFIEDTHATTHERELIABILITYSTATISTICALMODELOFELECTRICALCONNECTORISCORRECTTHEN．TOOKLEASTSQUARESESTIMATOROFTESTDATAASPRELIMINARYESTIMATE，APPLIEDVERSATILEMAXIMUMLIKELIHOODESTIMATEMETHODTOTREATTESTDATA，OBTAINEDTHEESTIMATORSOFELECTRICALCONNECTORRELIABILITYCHARACTERISTICVALUES．EVENTUALLY．GAVEACONCLUSIONTORESEARCHCONTENTOFENTIREDISSERTATION，ANDPROPOSEDTHERESEARCHCONTENTOFTHERELIABILITYTESTANDANALYSISOFELECTRICALCONNECTORS，ANDTHERESEARCHDIRECTIONOFTHISFOUNDATIONPROJECTKEYWORDSELECTRICALCONNECTOR，ENVIRONMENTMULTIPLESTRESSES，RELIABILITY，ACCELERATEDLIFETESTII

簡(jiǎn)介：中圖分類號(hào)V355論文編號(hào)102870715S033學(xué)科分類號(hào)082303碩士學(xué)位論文機(jī)場(chǎng)航空器滑行路徑優(yōu)化技術(shù)研究研究生姓名陳浩學(xué)科、專業(yè)交通運(yùn)輸規(guī)劃與管理研究方向空中交通流量管理指導(dǎo)教師王湛講師南京航空航天大學(xué)研究生院民航學(xué)院二О一五年三月NANJINGUNIVERSITYOFAERONAUTICSANDASTRONAUTICSTHEGRADUATESCHOOLCOLLEGEOFCIVILAVIATIONRESEARCHONOPTIMIZATIONTECHNIQUESOFAIRPORTAIRCRAFTTAXIPATHATHESISINTRANSPORTATIONPLANNINGANDMANAGEMENTBYCHENHAOADVISEDBYLECTURERWANGZHANSUBMITTEDINPARTIALFULFILLMENTOFTHEREQUIREMENTSFORTHEDEGREEOFMASTEROFENGINEERINGMARCH,2015

簡(jiǎn)介：分類號(hào)丁厶妨6密級(jí)公哥⑧單位代碼10422學(xué)號(hào)汐I(xiàn)ITL啦∥戶茹只番SHANDONGUNIVERSITY碩士學(xué)位論文THESISFORMASTERDEGREE論文題目理干I，厶夠虢空綴硼扔同型復(fù)件1刀崗I『毅捐承使鉑哥友％娜伽七叫％一冬耐～矗擁，，N，D如桫手FE肌幣廠負(fù)P場(chǎng)P凹躐Q尸；C反F戶R千5作者姓名與；鳴肆培養(yǎng)單位盤煎查塞鱟I魚專業(yè)名稱札樹釧刪自動(dòng)億指導(dǎo)教師畝L埔緩教授合作導(dǎo)師≯T峰年F月≥。日原創(chuàng)性聲明本人鄭重聲明所呈交的學(xué)位論文，是本人在導(dǎo)師的指導(dǎo)下，獨(dú)立進(jìn)行研究所取得的成果。除文中已經(jīng)注明引用的內(nèi)容外，本論文不包含任何其他個(gè)人或集體已經(jīng)發(fā)表或撰寫過的科研成果。對(duì)本文的研究作出重要貢獻(xiàn)的個(gè)人和集體，均己在文中以明確方式標(biāo)明。本聲明的法律責(zé)任由本人承擔(dān)。論文作者簽名皇道益日期X堅(jiān)苧里關(guān)于學(xué)位論文使用授權(quán)的聲明本人完全了解山東大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定，同意學(xué)校保留或向國(guó)家有關(guān)部門或機(jī)構(gòu)送交論文的復(fù)印件和電子版，允許論文被查閱和借閱；本人授權(quán)山東大學(xué)可以將本學(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫(kù)進(jìn)行檢索，可以采用影印、縮印或其他復(fù)制手段保存論文和匯編本學(xué)位論文。保密論文在解密后應(yīng)遵守此規(guī)定論文作者簽名墨絲壟導(dǎo)師簽名

簡(jiǎn)介：西北工業(yè)大學(xué)碩士學(xué)位論文航空有機(jī)玻璃疲勞裂紋特性的試驗(yàn)研究姓名賈敬華申請(qǐng)學(xué)位級(jí)別碩士專業(yè)固體力學(xué)指導(dǎo)教師李亞智20060301西北工業(yè)太學(xué)碩士學(xué)位論文ABSTRACTPOLYMETHYLMETHACRYLATEPMMAHASBEENWIDELYUSEDASTHETRANSPARENTMATERIALOFTHEAIRCRAFTCANOPIESBECAUSEOFITSPROPERTIESOFEXCELLENTTRANSPARENCYANDSTRENGTHTHEUNDERSTANDINGTOITSFATIGUEBEHAVIOURISONEOFTHEKEYPARISOFTHEFATIGUELIFEPREDICTIONOFAIRCRAFTSTRUCTURESYBMD3PMMAHASBEENUSEDINSEVERALCHINESEAIRCRAFTTYPESASTHECANOPYTRANSPARENTSTRUCTURALMATERIALSINORDERFORUSINGTHEMATERIALSAFELYANDECONOMICALLYITISOFENGINEERINGSIGNIFICANCETOSTUDYTHERESPONSEOFTHEKINDOFDAMAGECONTAINEDMATERIALSANDSTRUCTURESWITHSTANDINGSERVICELOADINGQUANTITATIVELYANDTODEVELOPCORRESPONDINGANALYTICALTECHNIQUESTHEMAINPURPOSEOFTHISDISSERTATIONISTOCHARACTERIZEITSFATIGUECRACKPROPAGATIONBEHAVIOUREXPERIMENTALLY，ANDTHEREBYTOOFFERBASISTOTHEEVALUATIONOFTHERESIDUALLIFEANDTHEMAINTENANCEGUIDELINEOFCANOPYSTRUCTURESANEXPERIMENTALSTUDYOFSTABLEFATIGUECROCKPROPAGATIONBEHAVIORWASCARRIEDOUTATROOMTEMPERATUREDURINGTHEPREPARATIONOFINITIALTHROUGHFATIGUECRACKSFORMTSPECIMENS，LOADCYCLESWITHCOMPRESSIVEPORTIONDEMONSTRATESBERERQUALITYTHANUSUALTENSIONTENSIONLOADINGTHEFATIGUECROCKPROPAGATIONRATEINPARIS’SREGIONFORCERTAINLOADRATIOSHOWSGOODCORRELATIONWITHASTRAIGHTLINEINDOUBLELOGARITHMICDA／DN△KCOORDINATETHEDAMNANDTHESLOPEOFTHESTRAIGHTLINEINCREASESWITHTHEINCREASEOFLOADRATIOFORTHENEGATIVELOADRATIOS，HOWEVERTHECOMPRESSIVEPORTIONINLOADCYCLESACCELERATESTHECRACKGROWTHAPROPERFORMULATIONTOTHESEEFFECTSISUNAVAILABLETHEN，THEWALKER’SEQUATIONWASDRAWNUPFORTHEPOSITIVELOADRATIOS，AMODIFIEDWALKER’SEQUATIONISDEVELOPEDANDGIVESAGOODREGRESSIONTOTHEBEHAVIOROFTHEPMMAMATERIALWHILEFORTHENEGATIVELOADRATIOS，THECOMPRESSIVEPORTIONINLOADCYCLESACCELERATESTHECRACKGROWTHOFTHEPMMATHEINFLUENCEOFTHECOMPRESSIVEPORTIONOFTHELOADCYCLESONTHEFATIGUECRACKPROPAGATIONRATEFCPRMAYBEINTERPRETEDBYTHEPLASTICITYINDUCEDCRACKCLOSUREPHENOMENONANDAPROPERFORMULATIONISSOFARUNAVAILABLE1I

簡(jiǎn)介：碩士學(xué)位論文碩士學(xué)位論文航天器撓性附件動(dòng)力學(xué)相似性理論及實(shí)驗(yàn)研究RESEARCHOFSPACECRAFTFLEXIBLEATTACHMENTDYNAMICSSIMILARITYTHEORYANDEXPERIMENT譚利臨譚利臨哈爾濱工業(yè)大學(xué)哈爾濱工業(yè)大學(xué)2012015年6月CLASSIFIEDINDEXV416UDC620DISSERTATIONFORTHEMASTER’SDEGREEINENGINEERINGRESEARCHOFSPACECRAFTFLEXIBLEATTACHMENTDYNAMICSSIMILARITYTHEORYANDEXPERIMENTCANDIDATETANLILINSUPERVISORPROFQINAIMINGACADEMICDEGREEAPPLIEDFORMASTEROFENGINEERINGSPECIALITYSPACECRAFTDESIGNAFFILIATIONDEPTOFASTRONAUTICENGINEERINGDATEOFDEFENCEJUNE,2015DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

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