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OALib Journal期刊
ISSN: 2333-9721
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铜合金表面激光原位自生w2c增强镍基涂层
Abstract:
？使用脉冲nd:yag固体激光器在铜合金表面激光熔覆添加w和c的镍基合金(gh-01)粉末,研究了w2c硬质相在镍基涂层中的原位自生增强机制.用扫描电镜表征和分析了涂层的显微组织和微区成分,用显微硬度计和x-ray衍射仪分析了涂层的显微硬度变化规律及相关的相组成.结果表明:激光原位反应使镍基涂层组织内原位生成了弥散分布的花瓣状、块状以及柱状的w2c颗粒,涂层的显微硬度达到了838hv,是铜基体的8倍.碳化钨的原位生成不但实现了对镍基涂层的强化,而且抑制了裂纹的产生.
| [1] | 1d.w.zeng,c.s.xie,m.l.hu,a.h.wang,w.l.song,insitulasersynthesisofco/cucompositecoatingoncop-persubstrateanditsmicrostructuralevolution,surface&coatingstechnology,200(12-13),4065(2006)
|
| [2] | 2m.j.tobar,c.alvarez,j.m.amado,g.rodriguez,a.yanez,morphologyandcharacterizationoflasercladcompositenicrbsi-wccoatingsonstainlesssteel,surface&coatingstechnology,200(22-23),6313(2006)
|
| [3] | 3h.c.man,s.zhang,f.t.cheng,x.guo,insituformationofatin/timetalmatrixcompositegradientcoatingonnitibylasercladdingandnitriding,surface&coatingstechnology,200(16-17),4961(2006)
|
| [4] | 4g.dehm,b.medres,l.shepeleva,microstructureandtri-bologicalpropertiesofni-basedcladdingsoncusub-strates,wear,225-229(1),18(1999)
|
| [5] | 5g.dehm,m.bamberger,lasercladdingofco-basedhard-facingoncusubstrate,journalofmaterialsscience,37(24),5345(2002)
|
| [6] | 7s.sun,y.durandet,m.brandt,parametricinvestigationofpulsednd:yaglasercladdingofstellite6onstain-lesssteel,surfaceandcoatingstechnology,194(2-3),225(2005)
|
| [7] | 8e.toyserkani,a.khajepour,s.corbin,lasercladding,1,(unitedstatesofamerica,crcpress,2005)p.214
|
| [8] | 9g.j.jiang,w.l.li,h.r.zhuang,synthesisoftungstencarbide/nickelcompositesbythefield-activatedcom-bustionmethod,materialssciencesandengineeringa,354(1-2),351(2003)
|
| [9] | 10y.zhang,m.l.zhong,w.j.liu,wc/nicementedcarbidecoatinganditswearresistancesynthesizedbylaserpow-derfeedingcladding,heattreatmentofmetals,30(11),1(2005)(张宇，钟敏霖，刘文今，迭粉激光熔覆合成制备wc／ni硬质合金涂层及其耐磨性，金属热处理，30(11)，1(2005))
|
| [10] | 6w.w.dulley,laserprocessingandanalysisofmaterials(newyorkandlondon,plenumpress,1983)p.71
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