简介：稳固的TiO2的电气化学的减小直接是当前的克罗尔过程的一种有希望的选择到稳固的金属。现在的工作针对在电气化学的减小的率上学习电解电压的效果。TiO2和Ti2O的电气化学的减小的产品用扫描电子显微镜学(SEM)和X光检查衍射(XRD)被检验技术。结果证明Ti2O在1.51.7V被归结为低valent钛氧化物，它是氧的电离的结果。TiO2和Ti2O在2.13.1V被归结为钛金属，它是协力氧和calciothermic减小的电离。氧内容很快减少了，电压从2.1～2.6V增加，当它从2.6～3.1V改变了很少时。优化房间电压是2.63.1V。

简介：Chinahashad30yearsexperienceintitaniumresearch,development,productionandappli-cationsofar.ItwasreallyaroughandbumpyroadfordevelopingTiworkingindustry,however,sincealargeamountofworkwasdoneandgreatmanyachievementswereobtainedbythescien-tistsandengineersinthisfield,afirmbaseofTiworkingindustryhasbeenestablishedinChinaatlast.Especiallysincethebeginningof1980s,ithasbeendevelopedtoanewlevel.Onthesebases,afavourableconditiontospeedupthedevelopmentofTiworkingindustryarisesinChina.

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：TheZrcoatingwasdepositedontitaniumsurfaceusingthemagnetronsputteringtechnique.EffectsofZrcoatingonmicrostructureandmechanicalpropertiesofporcelainfiredtotitaniumhavebeeninvestigated.Theresultsshowthatinterdiffusionofelementsoccursduringporcelainfiring,andtheZrcoatingcaneffectivelyprotecttitaniumsurfacefromexcessoxidation.ThestrengthofbondzonewithZrcoatingdepositedfor1hourreaches29.7MPa,whichhasincreasedby26.4%ascomparedwiththatofbondzonewithoutcoating(23.5MPa).

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简介：Thevacuumdiffusionbondingoftitaniumalloytotin-bronzehasbeenstudiedandthefeasibilityandappropriateprocessingparametershavebeeninvestigated.Themaximumtensilestrengthofthejointsis168MPa,andafirmjointisobtained.ThemicrostructureofdiffusionbondedjointhasbeenobservedbySEM.X-rayandEPMA,andthemainfactorsaffectingdiffusionbondinghavebeenanalyzed.TheintermetalliccompoundsTi2CuandTiCuwereformedneartheinterface.Thewidthandquantityoftheintermetalliccompoundincreaseswiththeincreaseofthebondingtime.Theformationoftheintermetalliccompoundsresultsinembrittlementofthejointandthepoorjointproperties.

简介：Adetailedanalysisofthecathodeprocessduringtheformationandgrowthofthetitaniumdepositonthewirescreenbasketinconnectionwithaconsiderationofthecurrentefficiencyisgiveninthepresentpaper.Theequationsdescribingthedistributionofcurrentdensities,titaniumionconcentrationalongthedepositlayerandtheequationofthetheoreticalcurrentefficiencyhavebeenderivedanddiscussed.Onthebasisoftheseequationsandtheexperimentalresultsoftitaniumelectrolysisthereasonandmechanismforlossofcurrenthasbeenascertainedtobeattributedtothedischargingofsodiumandlowvalentsodiumionsontheoutsidelayerofthecathode.

简介：ＰｒｏｃｅｓｓＤｅｖｅｌｏｐｍｅｎｔＡｓｐｅｃｔｓｏｆＡｌｕｍｉｎｉｕｍ－ＴｉｔａｎｉｕｍＭａｓｔｅｒＡｌｉｏｙｓＫｒｉｓｈｎａｎＴ．Ｓ．；ＲａｊａｇｏｐａｌａｎＰ．Ｋ；ａｎｄＢｏｓｅＤ－Ｋ．（Ｍｅｔａｌｌｕｒｇｙ．Ｄｉｖｉｓｉｏｎ，ＢｈａｂｈａＡｔ...

简介：酸的分解的动力学在气压下面与一个钠氢氧化物系统溶解了钛炉渣被学习。钛抽取上的反应温度，粒子尺寸和NaOH-to-slag集体比率的效果被调查。结果证明温度和粒子尺寸在钛抽取上有重要影响。有化学反应的缩小的核心模型控制了的钛抽取表演的试验性的数据过程为炉渣的分解是很适用的，与62.4kJ·mol−1的一个明显的激活精力。钛的约85wt.%−90wt.%能在最佳的条件下面从炉渣被提取。另外，在产品获得的钛二氧化物的纯净直到98.5wt.%。

简介：微观结构和Ti-63烤饼的机械性质在不同热处理模式下面被调查。平降号码1，与一个同样伪造的双性人一起形式的结构，β为1h在930°C被退火。它的结构与连续谷物边界α阶段和长薄片状的α阶段被改变到Widmanstatten结构。平降显示出力量，韧性和破裂坚韧的好联合。平降号码2，与一个同样伪造的双性人一起形式的结构，在为1h在930°C退火以后为8h在540°C被变老。除罚款以外，第二等的α猛抛，它显示出类似的微观结构到平降号码的1。罚款猛抛当减少韧性和破裂坚韧时，能提高平降的力量。与同样伪造的篮子编织结构，平降号码3为1h在750°C被退火。它的结构是将近未改变的，它完成了更好的韧性但是稍微更低的破裂坚韧比平降号码1。

简介：Titaniumandtitaniumalloyshaveseveraladvantages,butthecostoftitaniumalloysisveryexpensivecomparedwiththetraditionalmetalmaterials.Thisarticleintroducestwonewlow-costtitaniumalloysTi-2.1Cr-1.3Fe(TCFalloy)andTi-3Al-2.1Cr-1.3Fe(TACFalloy).Inthisstudy,weusedCr-Femasteralloyasoneoftherawmaterialstodevelopthetwonewalloys.Weintroducethemicrostructureandtensilepropertiesofthetwonewalloysfromβsolutiontreatedwithdifferentcoolingmethods.Optica...

简介：Titanium-nanohydroxyapatite(Ti-nHA)合成粉末，有10vol.%和nano-hydroxyapatite的20vol.%的钛镇静，是在用白酒媒介的一台行星的球磨机的milled避免过多的热。XRD和SEM为微观结构的描述被执行，并且Ti/HAnanocomposite粉末的同质被EPMA与延长的球milling时间评估。结果证明在湿milling的条件下面，Ti-nHA合成粉末的谷物尺寸随球milling时间和nHA的增加的数量的增加被减少。当时为30h的milling，有好结构的nanocomposite粉末，由粒子和钛(Ti)分阶段执行的nano-hydroxyapatite(nHA)组成，被获得。milling的三个阶段能从由EPMATi，Ca，和P印射的元素被观察；同时，nHA将在为30h的milling以后是更同质地分布式的，这被发现。

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简介：灼伤抵抗的钛合金的开发是在喷气引擎减轻钛火的点火和繁殖的最直接的方法。WSTi3515S合金(Ti-35V-15Cr-0.3Si-0.1C)是一种新高alloying贝它类型灼伤抵抗的钛合金，属于在在过去设计技术被使进步重要的Ti-V-Cr类型合金5?年。象有弹性的性质那样的WSTi3515S灼伤抵抗的钛合金的物理性质和热性质处于不同条件被测量并且分析。结果两个都显示出那幼仔模量并且砍WSTi3515S合金减少的模量稍微变化，温度在测试温度增加。WSTi3515S合金的泊松比率在0.36附近。然而，象特定的热，热扩散性，热传导性和热扩大那样的热性质增加，温度增加，它源于在提高的温度加强格子热颤动。并且WSTi3515S合金的房间温度密度是5.295?g????????????敮睴牯晫牯？？

简介：Vibrationfatigueisthemainfailuremodeofcompressorblade.Evaluatingthevibrationstressofbladethatleadstocrackingisveryusefulforanalysisofvibrationfatigue.Inthispaper,fatiguestressestimationmethodsbyquantitativefractographywerestudiedthroughexperimentalbladeandin-servicefirst-stagecompressorbladeinordertoevaluatetheinitiationvibrationstressofin-serviceblade.Theanalysisprocessofinitiationvibrationstresswasestablished.Theevaluatingresultofvibrationstressofin-servicebladesubjectedtocentrifugalforceandbendingvibrationstressagreeswithaeroenginetestresult.Itisshownthattheevaluationmethodcannotonlyevaluatetheequivalentfatiguestressesofdifferentcrackdepthsbutalsoyieldtheinitiationequivalentfatiguestress.

简介：Milledformofmesophasepitch-basedgraphitefiberswerecoatedwithatitaniumlayerusingchemicalvapordepositiontechniqueandTi-coatedgraphitefiber/Cucompositeswerefabricatedbyhot-pressingsintering.ThecompositeswerecharacterizedwithX-raydiffraction,scanning/transmissionelectronmicroscopies,andbymea-suringthermalproperties,includingthermalconductivityandcoefficientofthermalexpansion(CTE).Theresultsshowthatthemilledfibersarepreferentiallyorientedinaplaneperpendiculartothepressingdirection,leadingtoanisotropicthermalpropertiesofthecomposites.TheTicoatingreactedwithgraphitefiberandformedacontinuousanduniformTiClayer.Thiscarbidelayerestablishesagoodmetallurgicalinterfacialbondinginthecomposites,whichcanimprovethethermalpropertieseffectively.Whenthefibercontentrangesfrom35vol%to50vol%,thein-planethermalconductivitiesofthecompositesincreasefrom383to407Wá(máK)-1,andthein-planeCTEsdecreasefrom9.5910-6to6.3910-6K-1.

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简介：Theeffectsofprocessparametersonthemicrostructuralevolution,includinggrainsizeandvolumefractionoftheαphaseduringhotformingofaTC6alloywereinvestigatedusingcompressiontests.Experimentswereconductedonthematerialwith(α+β)phasesatdeformationtemperaturesof800,860,920,and950°C,strainratesof0.001,0.01,1,and50s-1,andheightdirectionreductionsof30%,40%,and50%.Afterreachingapeakvaluenear920°C,thegrainsizeandvolumefractiondecreasewithfurtherincreaseofdeformationtemperature.ThestrainrateaffectsthemorphologiesandgrainsizeofαphaseoftheTC6titaniumalloy.Atalowerstrainrate,theeffectofthestrainrateonthevolumefractionisgreaterthanthatatahigherstrainrateundertheexperimentalconditions.Theeffectsofthestrainrateonthemicrostructurealsoresultfromdeformationheating.Thegrainsizeoftheαphaseincreaseswithanincreaseinheightdirectionreductionafteranearlydrop.Theeffectofheightdirectionreductiononthevolumefractionissimilartothatofthegrainsize.AlloftheopticalmicrographsandquantitativemetallographyshowthatdeformationprocessparametersaffectthemicrostructureduringhotformingoftheTC6alloy,andacorrelationbetweenthetemperature,strain,andstrainrateappearstobeasignificantfuzzycharacteristic.

简介：Three-dimensionalfiniteelementmodelwasestablishedtosimulatetemperaturefieldsofT-jointtitaniumsheetsduringTIGweldingwithfiniteelementmethod(FEM)software.Temperaturedependentmaterialpropertiesandtheeffectoflatentheatwereconsidered.Atechniqueofelementbirthanddeathwasusedtosimulatetheprocessofweldedmetalfilling.DynamicvariationprocessoftemperaturefieldsduringTIGweldingwasachieved.Thesimulatedresultsagreedwellwiththemeasuredresults.