简介：ThestateofTiresearch,developmentandindustryisreviewedinthisarticle.Thefifty-yearanniversaryofTitechnologycommercializationintheUSAprovidesanopportunityforahistoricalperspective.Incorporationof"information-age"toolsintoalloydevelopment,processing,andproductioninvigoratesthetechnology.Consolidation,diversificationandglobalizationhavebeentransformingtheTiindustryintherecentyears.

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简介：UniversityofScienceandTechnologyBeijing(formerBeijingUniversityofIronandSteelTechnology)--oneofthenationalleadinguniversities,featuringinmetallurgyandmaterials,isapolytechnic,takingengineeringasmaincourseandcombiningtogetherscience,engineering,management

简介：Anidealprocessingflowsheetofgraphitemin-eralfromchichengmine,HebeiProv.hasbeenpro-posedbystudyingthemineralogyofgraphiteanditsflotability.Accordingtotheresultsofclose-cir-cuittest,aplantwithanannualcapacityof30O0Tconcentratewasdesigned.Ithasbeenprovedbyindustralpracticethatthisprocessingtechnologyisreliableinoperationandobviousineconomiceffect.Concentrategradeisupto87-89%andmorethan87%ofrecoveryunderthe3.3%oforefeedgrade.

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简介：Combustionreactionwelding,onepromisingmethodtoweldceramicsandmetals,wasusedtoweldTiB2andMo.TheresultsshowedthatthereactedproductsthroughcombustionreactionwereTiB2andMoBwhentheMocontentsinreactantswere20wtpctand40wtpctwhiletherewasMobesidesMoBandTiB2whentherewere60wtpctand80wtpctMoinreactants.Diffusionofelementsoccurredattheinterfacesofthetwosubstrates.Theinterfacesbetweenthereactedandthetwosubstrateswereindistinctafterbeingwelded.Theweldingtemperaturestronglyaffectedpropertiesofthesamples.Thevalueofbendingstrengthofthesamplewith80wtpctMoinreactantweldedat1500℃wasthehighest,368.52MPa.Thehighestvalueofshearstrengthamongallthesampleswasthatoftheonewith40wtpctMoinreactantweldedat1500℃,50.97MPa.

简介：铝泡沫三明治被rolling-bonding/powder准备在脸表/粉末和粉末密度的契约力量上滚动的冶金的起泡沫技术，和效果被学习。而且，起泡沫的代理人，TiH2，热被对待，Mg的某个数量在一次尝试被增加进粉末理解泡沫的稳定性和一致性怎么被改进。试验性的结果证明有理想的质量的起泡沫的先锋被结合转动的过程获得。当卷减小是67%时，粉末的一致性活动范围到99.87%。在整个脸表/核心层粉末和粉末的变丑特征结合的考虑，卷减小的最佳是60%70%。裂缝和排水被起泡沫的代理人TiH2的热处理和Mg的某个数量的增加在起泡沫期间禁止。TiH2的最佳热处理方法是在450点保存1个小时的那热???眶?嘠伲‵???ㄠ‵吗？

简介：ThedistributedopticalfibersensingtechnologywasusedtoinvestigatethefracturebehavioroftheEpoxyAsphaltMixture.Thespatialdistributionandvariationofthestraindevelopmentwithcrackpropagationwereacquiredusingthebrillouinopticaltime-domainreflectometerthroughtheloadingexperimentsofthecompositebeamstructure.Inaddition,afiniteelementmodelofthecompositebeamstructurewasdevelopedtoanalyzethemechanicalresponsesoftheepoxyasphaltmixtureusingtheextendedfiniteelementmethod.Theexperimentalresultsshowthatthedevelopmentofcrackpropagationbecomesinstablewiththeincreaseoftheload,andlargerloadswillgeneratedeepercracks.Moreover,thenumericalresultsshowthatthemechanicalresponseofthecracktipchangeswiththecrackpropagation,andtheworstareasthatsubjectedtocrackdamagearelocatedonbothsidesofthecompositebeamstructure.

简介：Electro-hydraulicimpulsewater-airmixingjetbywhichthequalityofmetalmaterialscanbeimprovedisdescribedinthispaper.Theexperimentalresultsprovedthatthehardnessandthemicro-hardnessofthesurfacelayerofmetalmaterialscanbeimprovedwiththismethod,forexample,themicrohardnessofCrWMncanbeincreasedby35.62percent.

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