简介：钛和它的合金广泛地比的由于他们的更好的biomechanical和生物化学的相容性为生物医学的应用被使用了另外的金属性的材料象不锈钢和共同基于的合金那样。当在制作生物医学的代替的一本参考书，和它的潜力在这份报纸被讨论，在有高力量和低有弹性的模量的合金被给的类型钛的发展的简短评论，和生产技术生产多孔的钛合金的添加剂的使用分开，用Ti-6Al-4V。

简介：JointlydevelopedbyGeneralResearchInstituteofNonferrousMetalsinBeijing,NortheastUni-versityofTechnology,ZhuzhouHardAlloyFactoryandZigong-HardAlloyFactory,fournewmarksofRE-bearinghardalloy,YG6R,YG8R,YT5RandYT15R,havereachedcommercialproductionrecently.ThealloysresultfromthetechniquewherebyasmallamountofREmetalsisadded.Asteel

简介：ＬａｓｅｒＴｒｅａｔｍｅｎｔｏｆＯｘｉｄｅＤｉｓｐｅｒｓｉｏｎＳｔｒｅｎｇｔｈｅｎｅｄＡｌｌｏｙｓＳｈａＷｅｉ（沙维）（ＤｅｐａｒｔｍｅｎｔｏｆＭａｉｅｒｉａｌｓＳｃｉｃｎｃｅａｎｄＭｅｔａｌｌｕｒｇｙ，ＵｎｉｖｅｒｓｉｔｙｏｆＣａｍｂｒｉｄｇｅ，Ｕ...

简介：I.StatusofChineseREHydrogenStorageAlloys1.R&DofREHydrogenStorageAlloysinChinaAB5hydrogenstoragematerials,takingrareearthmischmetalsasrawmaterials,developedrapidlyinChinainrecentyears.Today,differentcountriesattachimportancetothedevelopmentandapplicationofthenewenvironmental

简介：Inordertoresearchsurfacecharacteristicsofliquidmetalwhichbasedonhydrodynamicstheoryandinteractionprinciplebetweenlaserwaveandsurfacetensionstationarywaveofliquidmetal,itisfinishedtoprovideanentirelytheoreticalequation,apparatusandtechniquesofthemeasuringthesurfacetensionforliquidmetalathightemperature.Thisapparatusisanautomaticmeasuringsystemforinformationcollectingandprocessing,inwhichacomputerisattachedtochargecoupleddevice,drivingcircuitsandA/Dconverter.ApplyingthenewapparatusthesurfacetensionvaluesofSn-Pbbasedbinaryandternaryalloysoldershavebeenobtainedonthebasisoftheabovework.TheexperimentalresultsindicatethatthesurfacetensionvaluesofliquidmetalSn-Pbbasedsoldersaredecreasedby37.3%and31.9%respectively.When1%ofBiorInisaddedinthesolders,theelementsBiandInhaveevidentsurfaceactivityinSn-Pbbasedsoldersandthewettabilityofthesoldersinincreasedwithincreasingsurfaceactivity.

简介：

简介：Itiswellknownthatvanadiumalloywillfacetostrongneutronirradiationandhydrogenenvironmentsasastructuralmaterialinafusionreactor.Someresearcheshavereportedthatvanadiumalloytookstronglyhardeningafteranexposuretohydrogenenvironmentandirradiationbyneutronatatemperaturelowerthan400℃.Theductilityofthealloywaslostlargely,evenentirelybrittlefractureoccurredsometimesintensionloadingofthealloy.Therefore,it'stogettheknowledgeofthehardeningmechanismandthefracturemechanicalforthepurposetoimprovetheperformancesofthealloyunderthecircumstances.

简介：ＡＮｅｗＭｅｔｈｏｄｏｆＳｔｕｄｙｉｎｇＳｕｒｆａｃｅＡｃｔｉｖｉｔｙｆｏｒＬｉｑｕｉｄＡｌｏｙｓ①②ＹＡＮＧＹｏｎｇｚｈｅｎｇ（ＤｅｐａｒｔｍｅｎｔｏｆＡｐｐｌｉｅｄｐｈｙｓｉｃｓ，ＮｏｒｔｈｗｅｓｔｅｒｎＰｏｌｙｔｅｃｈｎｉｃａｌＵｎｉｖｅｒｓｉ...

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：

简介：张力爬精细的Fe-Mn二进制合金containing0.42-1.21wt.%Mn的行为从房间温度在温度范围被调查了到475Kunder10-50MPa。张力的测试以紧张率在uniaxail负担下面以经常的小标题速度被执行10(-4)s(-1)。压力代表和激活精力决心澄清变丑机制。稳定的状态的获得的变化爬关于为Fe-Mn二进制合金的应用压力的率在大约20MPa展出二不同政体，显示一个可能的变化在爬机制。平均压力代表是约2.2，它是在合金滑动的谷物boundry的一个特征。为塑料流动的激活精力从135～92kJ/mol变化，取决于Mn内容。

简介：Vanadiumalloyisoneofthemostimportantcandidatestructuralmaterialsforafusionreactor.Itsmainadvantagesoverothercandidatesareitslowactivityfeatureandfeasiblepropertiesathightemperature.However,vanadiumiseasilyoxidizedathightemperaturetoformanon-protectivesurfacefilmofV2O5.Oxygenconcentrationwouldthusgethighandthepropertiesgetworseinnotonlythelossoftheductilitybutalsotheenhancedhydrogenembrittlementbytheoxidation.

简介：Se89Zn2Te5In4和Se87Zn2Te5In6chalcogenide合金的作文依赖者微结构形态学变化被调查。玻璃质并且nanophase表面和这些合金的结构的形态学与扫描电子显微镜(SEM)和传播电子显微镜(TEM)的帮助被描述了，并且他们的元素的集中从精力被证实散X光检查光谱学(EDX)。试验性的结果证明Se89Zn2Te5In4合金的微观结构属于纯玻璃质的状态，当Se87Zn2Te5In6合金与nanophase结构时。

简介：

简介：ＩｎｔｒｏｄｕｃｔｉｏｎＩＭＩ８２９ｔｉｔａｎｉｕｍａｌｏｙｉｓａｋｉｎｄｏｆｈｉｇｈｔｅｍｐｅｒａｔｕｒｅｎｅａｒαａｌｏｙ．Ｉｔｓｓｅｒｖｉｃｅｔｅｍｐｅｒａｔｕｒｅｉｓｕｐｔｏ５８０℃．ＩｔｈａｓｂｅｅｎｕｓｅｄｉｎＲＢ２１１５２５Ｅ４ｅｎ...

简介：Solidificationstructurevariationofsinglephasealloywithundercoolingpriortonucleationhasbeenwidelystudied.Theprogress,especiallyduringthelastdecade,isreviewedsoastogiveacomprehensiveknowledgeforit,inwhichtheemphasesarelaidonthestructureevolutionmechanismandthepotentialapplication.Lastly,thefutureinterestingsubjectsarepresented.

简介：Mg-Caalloyshavebeenproposedtobeanewcandidateforbiodegradablemetalmaterialsinthepresentstudy.Mg-1Ca,Mg-5CaandMg-20Ca(wt%)havebeenpreparedandtheprimarypropertiesrelatedtotheirbiomedicalapplicationhavebeeninvestigatedbyX-raydiffraction,SEMobservation,tensile,electrochemicalandimmersiontests.TheexperimentalresultsshowthatwiththeincreaseofCaconcentration,theworkingabilityofMg-Caalloybecomesworse.OnlyMg-1CaandMg-5Caalloyspecimenscanbehotrolledi...

简介：DensityofmoltenNiandNi-Walloyswasmeasuredinthetemperaturerangeof1773～1873Kwithasessiledropmethod.ThedensityofmoltenNiandNi-Walloystrendstodecreasewithincreasingtemperature.ThedensityandmolarvolumeofthealloystrendtoincreasewithincreasingWconcentrationinthealloys.ThecalculationresultshowsanidealmixingofNi-Walloys.

简介：alloying，热处理，并且在Cu-Cr-Zr合金的表演上的塑料工作的影响被调查。猛抛的阶段作为Cr，Cu_(51)Zr_(14)和Cu_5Zr被描绘。Cu-Cr-Zr合金在答案处理，老化处理，和塑料变丑以后表明高力量和高电导率的联合性质。当增加Zrin时，Cr的Precipitationcourse是影响Cu-Cr-Zr合金的传导性的主要因素合金调整在Cr和矩阵之间的取向关系，并且趋于在变丑以后增加年老的Cu-Cr-Zr合金的传导性。

简介：