电刷镀镍基Ni包纳米Al_2O_3粉复合镀层的组织性能

NiAl2O3徐龙堂　徐滨士　马世宁()周美玲():NiAl2O3,(OM)(SEM),Al2O3:;;:TG156.99:A:1004-244X(2000)04-0007-05,,1,,,,,,,,,(,1100nm)2,,3,4,Al2O3(Ni/Ni+Al2O3),Al2O3,,1　试验条件及内容1.1(1)Al2O3,20nm,95%第23卷　第4期2000年　　7月　　兵器材料科学与工程ORDNANCEMATERIALSCIENCEANDENGINEERING　　Vol.23　No.4　　July　2000:2000-01-20:,:,28,,,,100072()(2),:265g/L;50g/L;20g/L;30g/L;0.01g/L;(3)20#(20mm30mm2mm)1.2(1),,MT-,20g,15s(2),(OM)OLYMPUS-PMG-SEM,OPTON-CSM9502　结果与讨论2.1Al2O3,,Al2O3,,5,,1,,1,,12Al2O38兵器材料科学与工程　　　　　　　　　　　　　　　　第23卷2Al2O3,,1,Al2O3Al2O3,,Al2O32.2Al2O3,(30min)(9V)(9m/min)11/(gL-1)Ni/Al2O3/(mmin-1)Al2O3wt%HV10-10.5003802/Al2O36003.402.74093/Ni+Al2O3600.54.984.725474/Ni+Al2O36018.688.34525/Ni+Al2O360210.879.45223,,,,2,Al2O33HV441#2#5#20min,41#,100200,4,300,,2#200300,300,5#200400,,647,600(346),9第4期　　　　　　　　　徐龙堂等:电刷镀镍基Ni包纳米Al2O3粉复合镀层的组织性能2.32.3.151#2#5#5ab(),,Al2O35c,,Al2O3a-1#b-2#c-5#52.3.2Al2O3,Ni/Ni+Al2O3,6a1#,,,6,,,,,,,,,,,,,,,,,,6b5#,6a,:Al2O3,,,(6b,,)SEM,,,10兵器材料科学与工程　　　　　　　　　　　　　　　　第23卷,,Al2O3,,,,,a-1#500b-5#50063　主要结论Ni/Ni+Al2O3Al2O3,Ni/Ni+Al2O3,Ni/Ni+Al2O3200400,,647,600(346),!SEMOM,,Al2O31..:,1996,342.2.,1995,10(1):14.3.,1996,25(4):2729.4OuyangQ.AppliedSurfaceScience,1994,78:309312.5.,1999,12(3):710.6.,1995,4:1820.STRUCTUREANDPROPERTIESOFBRUSH-PLATINGNi/Ni+Al2O3COATINGXuLongtang,XuBinshi,MaShining,ZhouMeilingABSTRACTThecompositecoatingofNi/Ni+nano-Al2O3waspreparedbybrush-platingtechnology.Theproblemofcodepositionanddispersionofnano-Al2O3innickelwassolvedbycoveringalayerof(50)11第4期　　　　　　　　　徐龙堂等:电刷镀镍基Ni包纳米Al2O3粉复合镀层的组织性能,,/2.,,,1EDMONDSDV,JONESPN.MetallTrans,1979,10A,289.2LEAC,MUDDLEBC,EDMONDSDV.MetallTrans,1983,14A,667.3HongSH,YoonDN,KangSJL,BeakWH.Pml,1990,22(6).4,,,.,1999,22(1):3-6,11.AUGERANALYSISFORRAPIDLYCOOLINGTOUGHENINGOFLIQUIDPHASESINTERING95W-Ni-FeQiYunxin,WangGailian,JiWenyuan,MaShixiABSTRACTTheeffectofcoolingrateonmechanicalpropertiesof95W-Ni-FealloyinsinteredandvacuumheattreatedstateshasbeenresearchedbyusingScanningAugerMicroprobe(SAM)combinedwithtechnologicaltests.Theresultshowsthatphosphorisanimportantfactorthatinducestheembrit-tlementofinterfacesofthealloy,andthatrapidcoolingcanapparentlyrestraintheinterfacialsegrega-tionofphosphorandeffectivelyincreasetheelongationandtoughnessofthealloy.KEYWORDStungstenalloy,phosphor,interfacialsegregation,SAMCorrespondent:QiYunxin,Professor,46thResearchInstitute,P.O.Box55,Tianjin300192(11)nickelonnano-Al2O3.Themicrohardnessofthecompositecoatingwasinvestigated,andtherelationshipbetweentheproportionofNiandnano-Al2O3andthemicrohardnesswasalsodiscussed.Theopticalmi-croscope(OM)andscanningelectronmicroscope(SEM)wereusedtoanalyzethemicrostructureandsurfacemorphologyofcompositecoating.Onthebasisofexperimentalresults,themechanismofthecodepositionofNi+nano-Al2O3andNiwassuggested.KEYWORDSbrush-plating,nanomaterial,compositecoatingCorrespondent:XuLongtang,SurfaceEngineeringResearchInstituteofCMES,Beijing10007250兵器材料科学与工程　　　　　　　　　　　　　　　　第23卷