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热喷涂WC―Co复合涂层的研究现状及展望(完整版)实用资料 (可以直接使用,可编辑完整版实用资料,欢迎下载) 万方数据 万方数据 万方数据 万方数据 万方数据 第2期彭瑾,等:等离子喷涂纳米ZrO热障涂层的组织及性能研究・l5・的耐湿热环境能力。涂层平均结合强度和平均剪切强度分别提高63.5%和50.5%,分别达46.63MPa和23.97MPa。(3)纳米ZrO热障涂层具有优异的耐腐蚀能力和耐湿热环境能力,腐蚀和湿热试验后涂层完整、表面清洁,无新相形成。‘55芒参考文献【1】TrunovaO,BeckT,HerzogR,et1.aDamagemechanismsandlifetimebehaviorofplasmasprayedthermalbarriercoatingssystemsforgasturbine—PartI:Expeirments【J】.Surface&CoaitngsTechnology,2008,202:5027-5032.【2】WangYQ,SayreG.Commercilahetmarlbarirercoaitngs20,(。)wimadouble—layerbondcoatonturbinevanesandhet图5湿热试验后ZrO2热障涂层XRD图谱及其实物照片Fig.5XRDspectrumandsample’SphotoofZrO2processrepeatability【J】.Surface&CoaitngsTechnoloy,g2009.203:2186—2192.【3]ShinIH,KooJM,SeokCS,et1.aEsitmaitonofspallaitonlifeofthemarlbarriercoaitngofgasturbinebladebyther_thermalbarriercoatingsafterhygrothermaltest(a)nanoZrOz(b)microZrO2mlafaitguetest[J].Surface&CoaitngsTechnoloy,g2011,205:5157~5160.3结论『4】LimaRS,MarpleBR.NanostructuredYSZthemarlbarriercoatingsenigneeredtocounteractsinteringefects[J].Mate—(1)纳米ZrO:热障涂层陶瓷面层由t—ZrO:单相组成,其内分布着较小的近圆形孔洞,孔隙率为嘟。(2)与传统ZrO热障涂层相比,纳米ZrO:热障iarlsScienceandEngineeingA,r2008,485:182—193.[5】束德林.金属材料力学性能【M】.北京:机械工业出版社,1987.(上接第5页)【23】Pei-HuGao,Chnga—JiuLi,Gun-aJunYnga,et1.aInlfuenceofSubstrateHardnessTrnsaitiononBuilt—upofanHVOFProcessorfhetDeposiitonofNanostructuredWC—CoCoaitngs[C]//ThemarlSpray2003:AdvancinghetScience&ApplyinghetTechnoloy,gUSA,2003:283-289.NanostructuedrWC-12CobyColdSpraying【J】.AppliedSurfaceScience,2010(256):2263—2268.【24】卜恒勇,卢晨.冷喷涂技术的研究现状及进展[JJ.材料工程,2010(1):94—98.[25]TahraSahraoui,SoifaneGnessasma,AhJeridneaM,et1a.HVOFSprayedWC-CoCoaitngs:Microstructure【J】.MechaniclParopertiesandFicrtionMomentPrediciton.[29】DingZ,“uzL,WangQ.EfectsofWCSizeonhetResistanceofCavitaitonEosrionofhetWC-12CoCoaitnsgSprayedbyHVOF【C]hq3ae4htofATSC,Xi’all,China,183-187.[30】赵辉,丁彰雄.超音速火焰喷涂纳米结构WC一12Co涂层耐泥沙冲蚀性能研究【J].热加工工艺,2009,38(272):84-88.MaterialsndaDesign,2010(31):1431-1437.I26]Robert,Wo0dJK.TriboloygofThermlaSprayedWC—CoCoatings[J].JournalofRefractoryMeta