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当前位置:首页 > 商业/管理/HR > 信息化管理 > 金刚石涂层硬质合金刀具涂层的研究和应用进展-徐银超
1,212221(1.,410083;2.,412007),、、,。、,,/。、、、。;;;ResearchandApplicationProgressofCVDDiamondCoatingforCementedCarbideCuttingToolsXuYinchao1,2ChenKanghua1WangShequan2ChenXiangming2LiYuanyuan2ChenSongyi1(1.StateKeyLaboratoryofPowderMetallurgy,CentralSouthUniversity,ChangshaHunan410083,China;2.ZhuzhouCementedCarbideCuttingToolsCo.LTD.,ZhuzhouHunan412007,China)ABSTRACTBytheresearchandanalysisofcementedcarbidesubstratepretreatment,nucleationandgrowthofdiamondcoatingandtheapplicationofdiamondcoatedtoolsinmachininggraphite,compositematerialsandAlSialloy,itisrevealedthatlowadhesivebetweencoatingandcementedcarbidesubstrateisthekeyreasonforfailureofcoatedtools.Sincetheprocessingcharacteristicsofspecialgraphite,aluminumbasealloysandcompositematerialsaredifferent,therequireddiamondcoatingtypesshouldbedistinguished.Micro/nanocompositediamondcoatingwithhighadhesionisthehighversatilitycoating.Theequipment,withlargecapacity,highefficiency,stabletechnicalandtoollifetime,isthefuturedevelopmentdirectionofdiamondcoatedtoolsproductionequipment.KEYWORDScementedcarbide;diamondcoating;tool;application!!!!!!!!!!doi:10.3969/j.issn.1003-7292.2015.02.010:(2014ZX04012011);(51327902);(2012CB619502)。:(1962-),,,。E-mail:khchen@mail.csu.edu.cn。20154Apr.2015322Vol.32No.2CEMENTEDCARBIDE32:,,,,,,。15%50%,2012626。,,50%[1],50%~60%,2015,850[2]。、,,201510,150。“,,”。,、(PVD)(CVD)、/(PCD/PCBN)、、AlSi。CVD,,,。、,,,,。1,CVD,(-CH3)、,0.5%~10%()。,,,。,,,,20μmCVD。,。1.1C-Co:700~1000℃CCo0.2%~0.3%()。Co,,,。,:1),Co。Polini[3]Fe/Ni/CoCo,,,。[4-5],CoCo/Co/Co,Co1μm,Co5μm,,AlSi。[6]H21000~1100℃2h,WC,,1.5kN,。2)、,Co。V(K[Fe(CN)6])∶V(KOH)∶V(H2O)=l∶l∶10MurikamiWC、,Co[7-9]。,1,MurikamiCo。Co,1(c)。,[10],Cu[11]Co。3),Co。(W,Ti,Si,Cr,Ni)[12],SiC[13-14],Cu/Ti[15],Al-TiN,TiCN[16-17],CrN[18],Co,Co,Co。,TiAlNADC12,1[19]。,,。Co,,。137321.2,,:,,,,。Mitsuda[20]1987,,。,。Ti,TiCu,Ni,W[16,21],。CH4/H2[22],C,[23]。Ali[24]CH4,C,。“NNP”[25]1012/cm2,:30min,30min。,(1200℃);,,,,,。[26]。Hao[27](450~550℃)(7Torr),HFCVDSi,,1.5×1011cm-2,,,137nm/h。,,Co。,、。1.3、(3~10nm)/。、、、[28-29]。2%4%,4.7KPa1.3kPa,0.5~1μm20~60nm[28]。H,,[30]。Ar[31],。Si,,,[32]。B,B/C,,,,[33]。[34]1WC-5.8%Co()(a)Murikami(b)Murikami+(c)[9]Fig.1SurfacesofWC-5.8%Co(massfraction)cementedcarbide(a),pretreatedbyMurikamisolution(b)andpretreatedbyMurikamiandacidsolution(c)[9](b)(a)(c)13832,750℃900℃,800℃;Ar,850℃。Cabral[35]CH4,2,TMCVD。MPCVD,,HFCVD,;TMCVDPCD。Kamiya[36]C,MPCVD,1.0%3.0%,,,,0.5%,,2%,,,5%,,。,,WC-Co14J/m2,Si[37]。。1332cm-1,1350cm-1(D)1520~1580cm-1(G),1100~1120cm-11430~1470cm-1[38]。1332cm-1,,;,。1332cm-1,;1332cm-1,;BSi,,34。,。。,。,60kg,GB/T2848-922CH4CVDTMCVD:(a)MPCVD;(b)HFCVD[35]Fig.2VariationsofCH4flowratesduringconventionalCVDandTMCVDprocessesusingboththeMPCVD(a)andHFCVD(b)systems3[39]:(a)[40];(b)Fig.3Ramanspectraformicro-andnano-diamondcoating(a)andultranano-diamondcoating(b)TMCVDTMCVDCon.CVD54.543.532.5CH4f;pwrate/(sccm)0102030405060Depositiontime/(mins)(b)(a)(b)(a)Con.CVD5040302010CH4f;pwrate/(sccm)0102030405060Depositiontime/(mins)Intensity/(a.u.)20000150001000050000Ramanintensity/(a.u.)FGD10001200140016001800Ramanshift/cm-150010001500Ramanshift/cm-1MCDGraphiteUNCDSiSiCLocation1Location2:13932,。,,600N1500N[37,39],。,2042N[42]。PVDCVD。,、、,。2,2012350,85,21.4%。2∶1。(InternationalResourceDevel.Inc.):1。60%。CVD,,20%,20CVD100/。,2020,60。,PCB,,Al,,,,,。AlSi,。2.1,。,,、。、、、。,75%,AlSi80%[1]。Si,AlSi,。,PCD。Hu[43]、A390,Si16%~18%,,4(a),B(b),Si(c)[41]Fig.4Ramanspectrumofas-depositedconventional(a),B-doped(b)andSi-doped(c)diamondcoatings[41](b)(a)(c)Intensity/(a.u.)900100011001200130014001500160017001800Wavenumber/cm-1B-dopedPcak3Pcak1Pcak2Pcak4Intensity/(a.u.)900100011001200130014001500160017001800Wavenumber/cm-1ConventionalPcak3Pcak1Pcak2Pcak4Intensity/(a.u.)900100011001200130014001500160017001800Wavenumber/cm-1Si-dopedPcak3Pcak1Pcak2Pcak4Pcak514032,,,,,。K觟pf[44],,,AlSi20,2μm20μm,16。TiCNWCCo33%。/143。,Si11%~20%AlSi,0.04mm,,。Uhlmann[45]6%Co10%Co()-1600MPa-1200MPa-360±116MPa+398±267MPa,AlSi9Cu4MgAlSi17Cu4Mg,6%Co(),。Hanyu[46]、A7075AlSi12,,。AlSi,[47]。,,65%。SiC。Dumpala[48],///Al/SiCp30%,//(t=14.7min),/,9.8min,5。,。PVD,DC12()6000m,5(a);/(b);//;(c)[48]Fig.5Cross-sectionalmorphologiesofthemono-layerMCDcoated(a),dual-layercompositediamondcoated(b)anddual-layergradedcompositediamondcoated(c)cuttingtools[48](b)(a)(c)MCDNCDMCDNCDTransition-layerMCD5μm5μm5μm:14132TiAlN160m。[49],[50][51]AlSi,TiAlN,105。,,,,、,;,/。2.2、、、,、。EDM(),9∶1,、7∶3,3∶7。,。,,,。,。、Si3N4EMD,,20N,,,[52]。SiC[13],,PCD。,10[53]。、[54],250m。[55](100~200nm)(1~2μm)GSK,。,,。,,,。,,,。。2.3、。,25%,(),15%,60%。,,。60%~80%,CVDPCD,CoroDrill854856CVDWalterTitexPCD,650600,30~40[56]。SPF120m/min,0.04mm/r7.62mm,PCD2。Davim[57]PCD,CVDPEEK,,CVD。K觟pf[44]PCDCVD50%,(6~25um),CVDPCD2~5,,。Si[41],,,。[58]T700,:,、,CVD1/41/3。,。,,,,。14232,,。,,,。,,。,。,,。,,,,,。AlSi,,/。,,。3CVD:CVD,CVD(EACVD),CVD(MPCVD),CVD(DCplasmajetCVD),CVD(ECRCVD),CVD(LCVD)。,CVD,CVD。CVD、、、,。CVD,,,,,。:SP3,CemeConBalzers。SP31993,CVD,、、。,,;,。Model665,CVD、,。CemeConCC800/DiaCVD,:Φ0.5~80mm,2~250mm,70mm,,,。BalzersBAl730D,,。、、、,(300μm),,,,。4、,。Co,,。CVD6~20μm,,。,。,,:1)Co,,/、1~20μm。2),、,、,。3)、、、。:14332REFERENCE
本文标题:金刚石涂层硬质合金刀具涂层的研究和应用进展-徐银超
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