22
6
Vol.22No.6December2008
2008
12
CHINESEJOURNALOFMATERIALSRESEARCH
YG
1
1
2
1
1.5104102.
510080
C2H2
O2
YG
,
YG8YG16
;
SEMXRD
Raman
:
.
YG8
,
;
20min
YG16
.
,
,
,
,YG8
,YG16
TB34,TB332,TB742
1005-3093(2008)06-0664-09
DepositcarboncoatingsonhighCoYGcementedcarbidewith
combustion ame
TANGDewen1
CHENGXiaoling1
KUANGTongchun2
WANGChengyong1
1.SchoolofElectricalandMechanicalEngineering,GuangDongUniversityofTechnology,GuangZhou510090
2.ExperimentCenter,SouthChinaUniversityofTechnology,Guangzhou510641
*SupportedbyNaturalScienceFoundationofGuangdongProvinceNo.2004B10301032.ManuscriptreceivedMarch26,2008;inrevisedformMay10,2008.
**Towhomcorrespondenceshouldbeaddressed,Tel:(020)39322206,E–mail:ktcgdut@
ABSTRACTC2H2andO2of amewasusedtodepositcarboncoatingsonhighCoYGseriescementedcarbidesurface.thein uenceofacidcorrodedCoYG8,YG16anddepositiontimehavebeeninvestigatedWiththemethodofXRD,SEM,Ramanandatomicmicroscope,carboncoatingsstructure,qualityandCrosssectionalmicrostructuresofcarboncoatingwasanalyzed.Theexperimentalresultshowthatafterdi erentacidcorrodedCotime,thetypicaldiamond/nanometercarbontubeanddiamond-graphite-nocrystalcarboncoatingshavebeenformedonthecementedcarbideYG8surface;afteracidcorrodedCo20time,nanometercarbontubehasbeenmainlyformedonthecementedcarbideYG16surfaceKEYWORDSfunctionalmaterials,diamond,carbonnanotubes, ame,Yg8cementedcarbide,Yg16cementedcarbide
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.
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)
;
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;
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WC
,
.
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)
[10]
.
[2 4]
:
Co
Co
Co
.
,
Co
*
Co
.
2004B10301032
.
2008
3
26
;2008
5
10
.
:
,
,
,