简介：用碳纤维在弯曲加强的七根增强的水泥(RC)横梁增强了表使遭到了到不同支撑的聚合物(CFRP)负担被测试。起始的负担的效果；加强的RC横梁的最终的力量上的负担历史被外部地结合的CFRP表检验。主要试验性的参数包括了在加强的时候支撑负担的不同层次，；装载历史。试验性的结果显示出那在加强的时候支撑负担层次在加强的RC横梁的最终的力量上有重要影响。如果起始的负担是一样，与CFRP表加强的RC横梁的最终的力量是几乎一样不管负担历史在加强的时候。

简介：Withtheaidofthelatestfiberopticsensingtechnology,parametersinthecureprocessofthermosettingresin-matrixcomposite,suchastemperature,viscosity,voidandresidualstress,canbemonitoredentirelyandefficiently.Inthispaper,experimentresultsofviscositymeasurementincompositecureprocessinautoclaveusingfiberopticsensorsarepresented.Basedonthesensedinformation,acomputerprogramisutilizedtocontrolthecureprocess.Withthistechnology,thecureprocessbecomesmoreapparentandcontrollable,whichwillgreatlyimprovethecuredproductsandreducethecost.

简介：Anewmethodusingleadcoatedglassfibertoproducecontinuouswireforbatterygridofelectricvehicles(EVs)andhybridelectricvehicles(HEVs)wasintroduced.Underequalflow,boththemaximumandminimumtheoreticalvalueofgapsizewerestudiedandestimationequationwasestablished.Theexperimentalresultsshowthatthegapsizeisakeyparameterforthecontinuouscoatingextrusionprocess.Itsmaximumvalue(Hmax)is0.24mmandtheminimumone(Hmin)is0.12mm.Atagapsizeof0.18mm,themaximumofmetalextrusionperunitoftimeandoptimalcoatingspeedcouldbeobtained.

简介：AnumericalmodelAlloy/MhasbeenappliedtoinvestigatethemicrosegregationinAl-4.45wtpctCualloy.Thecalculateddatawerecomparedwiththeexperimentalmeasurementsforsamplessolidifiedatdifferentcoolingrates.Discrepanciesinsoluteconcentrationoccurbetweentheexperimentalobservationsandcalculatedresults.Reasonsforthediscrepancieswerediscussed,andtheeffectofdendritejoiningatalaterstageofsolidificationonthemicrosegregationwasinvestigated.Calculationsthathaveincludedthiseffectshowedabetterfitwithexperimentalresults.

简介：Numericalsimulationofhot-presssinteringofnano-sizedceramicpowderswasintroducedbythecommercialfiniteelementcodeMSC.MARC.Thepowderplasticmodelandthethermo-mechanicalcoupledquadrilateralelementweredevelopedandadoptedinthesimulation.Themechanicalandthermalpropertiesofthenano-sizedaluminabasedpowdersweredetermined.Inaddition,theexperimentalresearchandnumericalsimulationofthesinteringprocessofdifferentinitialdensitieswerecarriedout.Thestressstateinsinteringofgreencompactswithdifferentinitialdensitieswasanalyzedbythedensificationtheory.Thereasonforthedensityfluctuationsofas-sinteredceramicbulkswasfoundout.

简介：Tostudytheosteogenicabilityoftissue-engineeredboneconstructedbycompoundingzinc-sin-teredbovinecancellousbonewithrabbitmarrowstromalcells(MSCs)invivo,thezinc-sinteredbovinecancellousboneofbeta-tricalciumphosphate(TCP)typewaspreparedbysinteringthefreshcalfcancellousbonetwiceandthenloadingitwithzinc-ion.TherabbitMSCswerecultured,inducedandseededontothezinc-sinteredbovinecan-cellousbones.Thetissue-engineeredboneswerethenimplantedintotherabbits'bockmuscles.Thenewlyformedbonetissueswereobservedbyhistologicalmethodsandtheareasofnewosseoustissuesweremeasuredattheendofthe4thand8thweek.Thezinc-sinteredbovinecancellousbonesalonewereimplantedontheothersideascontrol.TheosteogenicactivityofMSCswasidentifiedbyalkalinephosphatase(ALP)stainingandcalcificationnodchi-nalizarinstaining.Attheendof4thweek,asmallamountofnewbonetissueswasobserved.Attheendof8thweek,thereweremanynewlyformedbonematuretissues.Moreover,theareaofthelatterwassignificantlylargerthanthatoftheformer(P＜0.01),whileinthecontrolgrouptherewasnonewboneformation.Thetissue-engi-neeredbone,whichwasconstructedbycombiningzinc-sinteredbovinecancellousbonewithMSCs,hassatisfactoryosteogeniccapabilitiesinvivo.