简介：Ｒｏｔａｔｉｏｎ　ｉｎ　Ｒｅａｃｔｉｏｎ　１９Ｆ＋５１ＶＲｏｔａｔｉｏｎｉｎＲｅａｃｔｉｏｎ１９Ｆ＋５１Ｖ￥ＷａｎｇＱｉ；ＬｕＪｕｎ；ＸｕＨｕｓｈａｎ；ＬｉＳｏｎｇｌｉｎ；ＺｈｕＹｏｎｇｔａｉａｎｄＺｈａｎｇＹｕｈｕＩｎｄＬｓｓｉ...

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简介：Vanadiumalloys,especiallythatofV4Cr4Ti,aresupposedasthepromisingcandidatestructuralmaterialforfusionapplicationsfortheirgoodthermalproperties,hightemperaturestrengthandtheinherentlowactivationcharacteristics.However,inrecent

简介：Inthispaper,anewmeasurmenttechniquefordeterminingthermalconductivityofsemitransparentmediainthetemperaturerange300-800Kisreported.TheexperimentalsetupisbasedonthesteppowerforcedtransienthotwiretechniqueItisassumedthattheradiativecontributiontotheheattransferprocessarisesfromemission,Notfromabsorption.Inthiscase,applicationofthe'thermalquadruples'methodallowsaverysimpleconstructionofanalyticalmodelsoftheexperimentalsetup.Theparametersensityvityanalysisdemonstratesthatthethermalconductivityofsemitransparentmeidiacanbedeterminedfromthehotwiretemperatureresponse,Theexperimentalresultsofakindofglassbetween300and800Karepresented.

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简介：Therearemoreandmorecountriestoakeanefforttothestudiesofvanadiumalloyforfusionapplication.NIFSinJapanhasrecentlydevelopedan80kgheatV4Cr4Tialloy(NIFS-heat2)aftertheproductionofa500kgscaleV4Cr4TiinU.S.severalyearsago.PropertyevaluationofthealloyhasbeenputintoaninternationalcollaborationprogramunderthecoordinationofIEA(InternationalEnergyAgency).SWIPhasjoinedthecollabrationonthehydrogenembrittlementresistanceevaluationofthealloyt.

简介：Ti6Al4Visawidelyappliedinmedicalimplantssuchasbone,joint,andteethduetoitsexcellentmechanicalproperties,corrosionresistance,plasticityandthebiocompatibilityofthesurfaceoxide.However,thenativesurfaceoxidefilmisquitethin(about5nm)andtechniquessuchasmicroarcoxidation,plasmasprayedhydroxyapatitaeandplasmaimmersionionimplantationareusedtosynthesizethickersurfacetitaniumoxide.

简介：利用微扰理论，研究一维区域运动的自由电子，在受到弱周期势场的作用，给出在这种周期势场中的一维电子能谱，并与自由电子的能谱作比较。

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简介：Theelectronicstructures,dielectricfunctions,complexrefractiveindicesandabsorptionspectraforaperfectPbW04(PWO)crystalandthePWOcrystalscontainingleadvacancyV^2-pbhavebeencalculatedusingafull-potential(linearized)augmentedplane-wave(LAPW)+localorbitals(LO)methodwiththelatticestructureoptimized.Thepeaksoftheabsorptionspectracorrespondingtotheelectronictransitionshavebeenstudied.

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