简介：结构和磁性ofPr_xFe_(60.5x)上的Pr的效果Pt_(39.5)合金(x=0，0.5，1.0，和1.5)被调查。X光检查衍射数据显示FePt的阶段转变温度从disorderedface-centered-cubic基于合金到订的face-centered-tetragonal有Prconcentration的增加的立方的减少。Pr戏更精制的谷物和它的角色能提高在软磁性的阶段和努力磁性的阶段之间联合的交换。结果显示由Prcan的Fe的代替显著地改进Fe_(60.5)Pt_(39.5)合金的顽磁和coercivity。Theseresults能根据阶段转变和微观结构被解释。当Pr内容的功能被0.5at.%Pr的最佳增加增加，FePt的顽磁比率和coercivity基于合金。

简介：Inthispaper,theX-raynondestructivetestmethodofsmalldefectsinprecisionweldmentswithcomplexstructurewaspresented.Toresolvethedifficultyofdefectsegmentationinvariablegreyimage,theimageprocessingbasedonVisualBasicprogrammingmethodwasadopted.ThemethodsofautomaticcontrastandpartialgreystretchwereusedtoenhancetheX-raydetectionimagewhichhasrelativelylowcontrast,thenautomaticthresholdmethodwascarriedouttosegmentthetwohighintensityzones,andweldzoneswhichcontainthesmalldefectswasextracted.Smoothingandsharpenprocessingwereproceededontheextractedweldzones,andsmalldefectsinX-raydetectionimageofweldmentswithcomplexstructureweresegmentedbyusingthemethodofbackgroundsubtractionintheend.Theeffectsofrasterwereeliminated,andbecauseofthattheimageprocessingwasonlyproceededontheextractedweldzones,thecalculatedspeedusingtheaboveprovidedalgorithmwasimproved.

简介：Ni0.3Cu0.07Zn0.63Fe2xLaxO4铁酸盐被稳固的阶段方法和sintered在1,150点准备?t接口。紫外分光光度计(UVS)被采用获得HfO2的乐队差距价值。在3d和Hf4f，核心级的系列和原子价系列被采用获得HfO2/InP的原子价乐队偏移量。试验性的结果出现(5.88??T

简介：ZnSnanostructureswithdifferentdimensionsandstructure-relatedpropertieswerereviewedinthispaper.Thecrystallizationofnanostructuresfrom0D,1Dto3D,aswellastheheterogonouscounterparts,wassummarizedintheaspectofzincblende,wurtzitestructure,andtheircombinations.Furthermore,thestructure-relatedenergybandsandthecorrespondingphotoelectricpropertiesofZnSnanostructureswerealsofocused,inwhichwemadeabriefsummaryoftheco-relationsbetweenphotoluminescenceandcrystallography,especiallythedefectrelatedluminescencepropertiesofZnSnanocrystal.

简介：ThecompositionandstructureofcyclicsulfoxidederivativePd(Ⅱ)complexwereinvestigated.Thecoordinatednumberwasstudiedwithslopemethod.Thecoordinationnumberis2inloweracidity,butitis3inhigheracidity.Fourmethods,UV(ultraviolet)spectra,FrIR(Fouriertransforminfrared)spectra,1H-NMR(nuclearmagneticresonance)spectra,and13C-NMRspectra,wereusedtodeterminethecoordinatedatomincomplex.PdiscoordinatedwithOandSatominS=Ogroupinloweraciditymedia.Theconversionofcoordinationbondappearswithanincreasingtime.PdiscoordinatedwithSatominS=Ogroupinhigheraciditymedia,andinter-ligand-transferreactionoccurs.

简介：AccordingtospecificationsforWeldingProcedureQualificationofASMEIXSectionandChinesecode,JB4708-2000,asoftwarepackageformanagingweldingdocumentshasbeenrebuilt.Consequently,thenewsoftwarepackagecanbeusedinaLimitedAreaNetwork(LAN)with4differentlevelsofauthoritiesfordifferentusers.Therefore,theweldingdocuments,includingDWPS(DesignforWeldingProcedureSpecifications),PQRs(ProcedureQualificationRecords)andWPS(WeldingProcedureSpecifications)canbesharedwithinacompany.Atthesametime,thesystemprovidesusersvariousfunctionssuchasbrowsing,copying,editing,searchingandprintingrecords,andhelpsuserstomakedecisionofwhetheranewPQRtestisnecessaryornotaccordingtothecodesaboveaswell.Furthermore,superuserscanalsobrowsethehistoryofrecordmodificationandretrievetherecordswhenneeded.

简介：[埃及土人_(1.5nm)/ZrO_(2xnm)]_(10)多层的电影被磁控管劈啪作响在玻璃底层上扔然后为30min在600℃在真空退火了。他们的结构和磁性作为ZrO_2内容的功能被调查。结果证明谷物尺寸和coercivity首先随ZrO_2内容的增加增加然后减少。Themaximumcoercivity和谷物尺寸在ZrO_2的37vol.%被获得。在这部电影的ZrO_2的内容在埃及土人谷物的分离并且在intergrainexchange相互作用的减小起一个重要作用。根据尖依赖coercivity的研究，埃及土人的磁化颠倒拍摄与，这被发现(111)质地与领域墙运动或旋转模式的S-W类型不同。

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简介：ThepurposeofthisstudywastoinvestigatetheeffectsofZrinterlayeronthestructureandmechanicalpropertiesofTiAlNfilms,whichweredepositedontheM2high-speedsteelsubstratesbymeansofplasma-enhancedmagnetronsputtering.TheresultshowsthatthecrystalorientationofZr/TiAlNfilmsissimilartothatofsingle-layeredTiAlNfilms,butthedifferenceisthatAlN(111)ofZr/TiAlNfilmsdisappearscompletely.WithrespecttoZrinterlayer,thetexturecoefficientofZr/TiAlNfilmsisapproximately1.Zr/TiAlNfilmsexhibitacompactisometricstructure,whichisdistinctlydifferentfromthecolumnarstructureexistinginthesingle-layeredTiAlNfilmsandTi/TiAlNfilms.ThehardnessandH3/E*2ofZr/TiAlNfilmsare,respectively,enhancedtobe36.6GPaand0.147.Withafewcracksemergingaroundtheindention,theadhesionstrengthofTiAlNfilmsisobviouslyadvancedbyaddingZrmetalinterlayer.

简介：LiCoO2thinfilms,whichcanbeusedasacathodematerialinmicrobatteries,weredepositedusingradiofrequency(r.f.)magnetronsputteringsystemfromaLiCoO2targetandinanO2+Aratmosphere.ThefilmswerecharacterizedbyvariousmethodssuchasXRD,SEMandAFM.TheLiCoO2filmswereannealedinairat300,500,700and800℃respectively.Theeffectoftheannealingtemperatureonthestructure,thesurfacemorphologyandtheelectrochemicalpropertiesofthefilmswereinvestigated.TheLiCoO2thinfilmdepositedatroomtemperatureisamorphousandhassmallergrainsize.Withincreasingofannealingtemperature,thecrystallinityofthefilmsispromoted.Whentheannealingtemperatureincreasesto700℃,thefilmshaveaperfectcrystallineLiCoO2phase.TheLiCoO2thinfilmwithoutannealinghasnodischargeplateauandsmalldischargecapacity(about27μAh·cm-2μm).Thedischargecapacityincreaseswiththeincreasingofannealingtemperatureandreaches47μAh·cm-2μmforthefilmannealedwith700℃,whichalsoshowsthetypicaldischargeplateauof3.9V.ThecycleperformanceofLiCoO2thinfilmsofasgrownandannealedatdifferenttemperatureswerestudied.Inthecaseofthefilmwithoutthermaltreatment,thecapacityfadingismuchfasterthanthatofthefilmannealedatdifferenttemperature,showingabout40%capacitylossonlyafter25cycles.However,inthecaseofthefilmannealedat700℃,thecapacityreachestosteadystategraduallyandmaintainedconstantlywithcycling.After25timescycling,thedischargecapacityofthefilmannealedat700℃decreasestoabout36.9μAh·cm-2·μm,only0.8%capacitylosspercycle.

简介：ThispaperintroducesabrazingprocessbetweenAl_2O_3ceramicandInvaralloy.Al_2O_3canbebrazedwithInvareffectively.TheinterfacialstructureofAl_2O_3/Invarjointcanbeexpressedas:Invar/Ag(s,s)+Cu(s,s)+Fe_2Ti(zoneⅠ)/Ag(s,s)+Cu(s,s)+Fe_2Ti+NiTi+Cu_3Ti(zoneⅡ)/Ag(s,s)+Cu(s,s)+Cu_2Ti+Al(s,s)+TiC+TiO(zoneⅢ)/Al_2O_3.Themaximumshearstrengthof139MPawasmeasuredforas-brazedAl_2O_3/Invarjointbrazedat850℃for25minor900℃for15min.

简介：Sm_(0.9)Pr_(0.1)Fe_xandSm_(1-x)Nd_xFe_(1.9)的结构，磁化，和磁伸缩变瘦电影用X光检查衍射，颤动的样品磁强计，和光伸臂方法被调查了。Sm_(0.9)Pr_(0.1)Fe_xthin电影的结构由一张Sm-Pr-Fe无定形相组成，这被发现什么时候x≤2.69并且Sm_(1-x)Nd_xFe_(1.9)的薄电影由一张Sm-Nd-Fe无定形相组成。有Fe内容的增加的在里面飞机磁化ofSm_(0.9)Pr_(0.1)Fe_x薄电影增加，和茶碱飞机coercivity的低价值发生在1.62≤x≤的范围2.28。当时，有增加Fe的磁伸缩价值ofSm_(0.9)Pr_(0.1)Fe_x薄电影增加满足x≤1.94并且减少什么时候x>1.94。Sm_(1-x)Nd_xFe_(1.9)的在里面飞机磁伸缩在低磁场下面的薄电影被Nd的替换为Sm改进了什么时候x=0.2。

简介：Theexchangecouplingattheferromagnetic/antiferromagnetic(FM/AFM)interfaceisinfluencedbyboththemagneticstructureandthecrystallinemicro-structure.Co/FeMn/Cothinfilmswith0.4nmPtspacerlayerinsertedintotheCo/FeMnandFeMn/Cointerfacerespectivelyweredepositedbymeansofmagnetronsputtering.ThetwointerfacesuponandbeneaththeFeMnlayershowdistinctbehaviorsbeforeandafterthePtspacerinserted.ThereisaremarkableshrinkoftheinterfacialuncompensatedspinswithintheFeMnbottominterfacialmonolayers,whereasarelaxationofthepinningstrengthoftheFeMninterfacialspinsalongtheout-of-planedirectionoccursatthetopinterface.XRDanalysisindicatesthePtlayerupontheFeMnlayerformsanfcc(002)texture,implyingthemagneticdiscrepancybetweenthetopandbottomFeMninterfaceshascrystallinestructuralorigins.

简介：Themicrostructureandmechanicalpropertiesofsteel/Alstructurematerialproducedbyadditivemanufacturing(AM)wasinvestigatedinthisworkbasedonthecoldmetaltransferwelding.Theresultsshowthatthemicrostructuregraduallychangedfromthesteelsidetothealuminumside.Themicrostructureinthesteellayerconsistedofvermiformlike8ferriteandaustenitestructure,whileinthealuminumlayerthemicrostructurewasconstitutedbyα-AlgrainsandtypicalreticulatedistributiveAl-Sieutecticstructure.Besides,a7μmthicknessNi-Alintermetalliccompoundlayerwasemergedattheinterfaceofnickelandaluminumlayer.Themaximumroom-temperaturetensilestrengthoftheSteel-Alstructurematerialswasfoundtobe54MPa,therupturemorphologyshowedabrittlefracturecharacteristic.

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简介：Thepapergivesananalysisontechnicalcharacteristicsofrepairtechniquesforfrictionstirweldingdefects.Toovercomethedefects,anewrepairtechnique,inertiafrictionpullplugwelding(IFPPW),wasresearchedanditsequipmentwasdevelopedaswell.ElementarydatumwasachievedbyinvestigatingtheinfluencesoftechnologicalparametersonmechanicalpropertiesandbyanalyzingthestructuralcharacteristicsofrepairjointwithIFPPW.ThestudyshowsthatthestabilityandreliabilityofweldingprocessofIFPPWcanbeguaranteedthroughtheconstantenergyfromtheflywheel.Integratedwiththeadvantagesoffrictionpullplugwelding,theIFPPW,freefrombackanvil,isconsideredasapromisingtechniqueinrepairofterminationkeyholeofbobbintoolfrictionstirweldingandpoint-likedefectsinaluminumalloywelding.