简介：Diamond-likecarboncoatingshavebeenusedassolidlubricatingcoatingsinvacuumtechnologyfortheirgoodphysicalandchemicalproperties.Inthispaper,thehybridtechniqueofunbalancedmagnetronsputteringandplasmaimmersionionimplantation(PIll)wasadoptedtofabricatediamond-likecarbon-basedfunctionallygradientfilm,N/TiN/Ti(N,C)/DLC,onthe304stainlesssteelsubstrate.ThefilmwascharacterizedbyusingRamanspectroscopyandglancingX-raydiffraction(GXRD),andthetopographyandsurfaceroughnessofthefilmwasobservedusingAFM.Themechanicalpropertiesofthefilmwereevaluatedbynano-indentation.Theresultsshowedthatthesurfaceroughnessofthefilmwasapproximately0.732nm.Thehardnessandelasticmodulus,fracturetoughnessandinterfacialfracturetoughnessofN/TiN/Ti(N,C)/DLCfunctionallygradientfilmwereabout19.84GPa,190.03GPa,3.75MPa.m1/2and5.68MPa@m1/2,respectively.ComparedwiththatofDLCmonolayerandC/TiC/DLCmultilayer,thisDLCgradientfilmhasbetterqualitiesasasolidlubricatingcoating.

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简介：分子的动力学(MD)模拟被用来在各种各样的边界条件上学习在DLC电影之间的一个滑动磨擦过程。试验性的结果表明当润滑剂不在时，在DLC电影之间的一部转移电影被形成。相反，当油或水润滑剂被增加在DLC电影之间润滑时，边界润滑油层被发现。水和油润滑油上的磨擦力量是几乎一样，而是当润滑剂不在时的磨擦力量比水和油润滑油上的那些大。结论在对实验的好同意。

简介：Glassbasedbonecement(GBC)wassynthesizedbymixingCaO-SiO2-P2O5basedglasspowderwithammoniumphosphateliquidmedium.Bone-likehydroxyapatite(HAP,Ca10(PO4)6(OH)2)wasfoundtoformafterGBCwasimmersedinsimulatedbodyfluid(SBF).HAPcrystalgrewwithanincreasingtimealongcaxleandreachedabout200nminlengthafter30days,however,theendplanegranularityremained30～50nm.Thechemicalcomposition,crystalstructureandmorphologyofHAPformedfromGBCwereprovedtohavegreatresemblancewithlivingHAP.ItisbelievedthatGBCwasadesirablebiomedicalmaterialwithhighbioactivity.Furthermore,thehighcompressivestrengthguaranteedthepossibilityofGBCinclinicalapplication.

简介：像表的nanoTiO2粒子被使用热水的方法准备，并且被X光检查描绘衍射(XRD)，红外线的光谱学(红外)，和传播电子显微镜学(TEM)。nanoparticle尺寸和crystallinity从150慵楴湯愠摮搠慥瑣癩瑡潩?敢慨楶牯漠?桳敥?楬敫渠湡?楴慴楮a贔?孌随热水的温度的增加增加，这被发现吗？？

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简介：六角形结构的单人赛水晶的镍硫化物nanorodshave的粉末在cetyltrimethyl综合了溴化铵(CTAB)/water/hexane/n-pentanol在热水的条件由下面的第四级的微乳液用尿素和二硫化碳的反应，作为硫化物，source.Single水晶的镍nanorods被是使用单人赛水晶的镍硫化物nanorods经由热分解综合了先锋。产品的形态学上的不同反应参数的影响是产品的investigated.Thestructure，形态学和磁性被X光检查衍射(XRD)描绘，传播电子显微镜(TEM)，thermogravimetric分析微分的扫描热量计(TGA-DSC)和颤动的样品磁强计(VSM)。磁性的大小的结果证明特定的浸透磁化(sigma_s)和nickelnanorods的coercivity价值(H_c)分别地是37.5emu/g和68.5Oe。

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简介：Microstructureandsubsequentphasetransformationsonheatingofthemelt-spunNd85Al15alloyhavebeenstudiedbyX-raydiffraction,transmissionelectronmicroscopyanddifferentialscanningcalorimetry.Themelt-spunNd85Al15alloyshowstwo-stagetransformationprocessesasfollows:amorphous+72nmsupersaturatedbcc-Nd(Al)solidsolution→7nmomega-likephase→AlNd3+hexagonalNd.Theactivationenergiesforthefirstandsecondtransformationwerefoundtobe100kJ/moland188kJ/mol,respectively.Theformationmechanismofnanoscaleomega-likephaseisdiscussed.

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简介：一个新奇方法被开发了很快与帮助扔像骨头的磷灰石紫外(紫外)在模仿的身体液体(SBF)的nanostructuredtitania上的轻照耀。这个过程有三主要的步：Ti-24Nb-4Zr-7.9Sn合金在650点被加热

简介：Theuniformcauliflower-likeZnOfilmsweredepositedontheconductingsubstratebyachemicalbathdepositioninurea/watersolution.ThefilmstructureandmorphologywerecharacterizedbyX-raydiffraction,thermogravimetricdifferentialthermalanalysis,energydispersivespectroscopy,selectedareaelectrondiffraction,fieldemissionscanningelectronmicroscopyandhighresolutiontransmissionelectronmicroscopy.TheaveragediameterofZnOnanoparticlesandthepetalthicknesswere25nmand8mm,respectively.Dyesensitizedsolarcellsbasedonthecauliflower-likeZnOfilmelectrodeshowedtheshort-circuitcurrentdensityof6.08mA/cm2,theopen-circuitphotovoltageof0.66V,thefillfactorof0.55andtheoverallconversionefficiencyof2.18%.TheequivalentcircuitofcellsbasedontheZnOfilmelectrodeswasmeasuredbytheelectrochemicalimpedancespectroscopy.Furthermore,theanalysisofequivalentcircuitprovidedtherelationshipbetweenthecellperformanceandtheinterfacialresistance,suchastheshuntresistanceandtheseriesresistance.

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