简介：Laboratoryexperimentswereconductedtostudythespallationbehaviourofthermalbarriercoatings(TBCs)onaero-engineturbinebladesmanufacturedbytheelectron-beamphysicalvapourdepositiontechnique(EB-PVD).Intactbladeswereheatedattemperature1135°Cinafurnaceforcertaintimeandthencooledtotheroomtemperatureinthelaboratorycondition.Itwasfoundthatnospallationoccurredduringcooling,butspallationhappenedatconstantroomtemperatureaftercooling.Thespallationmechanismisstudiedbyusingthemechanicalmodeldeveloped(Harvey2017andWang2017),whicharebasedonthehypothesisofpocketsofenergyconcentration(PECs).Someobservationsofthespallationbehaviourarewellpredictedbythemodel.
简介：SINOPECResearchInstituteofPetroleumProcessing(RIPP)hasdevelopedthedieselengineoilAPICJ-4,afterhavingpassedthe9enginetestsrequiredbytherelevantAPIspecificationstofillChina’sgapintheindependentdevelopmentofformulationsfordieselengineoilCJ-4,whichisasuccessfulattemptinbreakingtheforeigncompanies’technicalmonopolyonhigh-gradedieselengineoils.
客服QQ：30444492琼网文【2021】1550-113号
增值电信业务经营许可证：琼B2-20210322
出版物经营许可证：新出发龙华出字第(2021)009号
广播电视节目制作经营许可证：(琼)字第00779号
版权所有 ©2002-2024 期刊网(www.qikanchina.com) 琼ICP备2021005105号
