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A Comparison of Laser Cladding Ni-based Coating on an Aluminium Alloy with CO_2 Laser and Nd: YAG Laser
引用本文:Liang Gongying Eric.T.T.Wong H.C.Man Xi''''an Jiaotong UniversityXi''''an,710049 The Hong Kong PolytechnicUniversity,Hong Kong. A Comparison of Laser Cladding Ni-based Coating on an Aluminium Alloy with CO_2 Laser and Nd: YAG Laser[J]. 国际设备工程与管理, 1997, 0(2)
作者姓名:Liang Gongying Eric.T.T.Wong H.C.Man Xi''''an Jiaotong UniversityXi''''an  710049 The Hong Kong PolytechnicUniversity  Hong Kong
作者单位:Liang Gongying Eric.T.T.Wong H.C.Man Xi'an Jiaotong UniversityXi'an,710049 The Hong Kong PolytechnicUniversity,Hong Kong
摘    要:AComparisonofLaserCladdingNi-basedCoatingonanAluminiumAloywithCO2LaserandNd:YAGLaserLiangGongyingEric.T.T.WongH.C.ManXi’anJia...


A Comparison of Laser Cladding Ni-based Coating on an Aluminium Alloy with CO 2 Laser and Nd: YAG Laser
Liang Gongying Eric.T.T.Wong H.C.Man Xi'an Jiaotong UniversityXi'an, The Hong Kong PolytechnicUniversity,Hong Kong. A Comparison of Laser Cladding Ni-based Coating on an Aluminium Alloy with CO 2 Laser and Nd: YAG Laser[J]. International Journal of Plant Engineering and Management, 1997, 0(2)
Authors:Liang Gongying Eric.T.T.Wong H.C.Man Xi'an Jiaotong UniversityXi'an   The Hong Kong PolytechnicUniversity  Hong Kong
Affiliation:Liang Gongying Eric.T.T.Wong H.C.Man Xi'an Jiaotong UniversityXi'an,710049 The Hong Kong PolytechnicUniversity,Hong Kong
Abstract:In this paper, a plasma sprayed coating (Ni Cr B Si) on an Al Si alloy surface was melted by a CO 2 laser and a Nd:YAG laser respectively. The difference on the outline of the melted zone, chemical composition and hardness distribution of the laser melted zones were investigated. Experimental results showed that samples treated by the Nd:YAG laser have a better cladding tendency, more uniform chemical composition and microhardness distribution. Samples treated by the CO 2 laser have larger compositional segregation and poorer microhardness distribution.
Keywords:laser surface treatment   aluminium alloy   segregation   hardness
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