Scientistsdevelopheat-resistantaluminumalloysforaerospaceapplications_GuangmingOnlineTIANJIN,May6(Xinhua)--AteamofChinesescientistshasdevelopedanovelhigh-strengthaluminumalloythatremainsoperationalevenatstaggering500degreesCelsius.Thisadvancementhasextendedtheservicetemperaturerangeofaluminumalloysfrom350toover400degreesCelsius,addressingalong-standingengineeringchallenge.Thedemandsoftheaerospaceindustryhavesethigherstandardsforthethermalresistanceoflightweightmetalmaterials.Althoughaluminumalloysarefavoredfortheirlowdensity,superiorstrengthandrobustcorrosionresistance,theirrelativelylowheat-resistanceposedaconsiderablechallenge,especiallywithinthecrucialtemperaturerangeof350to500degreesCelsius,whichispivotalforaerospaceapplications.ResearchersatTianjinUniversitysynthesizedaluminumalloysembeddedwithhighly-dispersivenanoparticles.Thenanoparticleshavein-situgrowngraphene-likecoatings,whichsignificantlycontributetoasubstantialreductioninsurfaceenergy.Thankstotheincorporationofthesenanoparticles,thealloysexhibitexceptionalcreepresistanceatelevatedtemperaturesofupto500degreesCelsius,accordingtothestudypublishedrecentlyinthejournalNatureMaterials.Also,theyboastanimpressivetensilestrengthofapproximately200megapascalsatthattemperature,aboutsixtimeshigherthanordinaryaluminiumalloys.Thisinnovativeprocessischaracterizedbyitssimplicity,minimalmaterialcosts,andscalability,makingithighlyvaluableforindustrialapplications,saidHeChunnianfromTianjinUniversity,thecorrespondingauthorofthepaper.Editor:DisclaimerTheviewsandopinionsexpressedinthisarticlearethoseoftheauthor's,GMW.cnmakesnorepresentationsastoaccuracy,suitability,orvalidityofanyinformationonthissiteandwillnotbeliableforanyerrors,omissions,ordelaysinthisinformation.