Preparation of Ni-Base Alloy Coatings on Monel alloy by Laser Cladding

被引：8
作者：
Zhang Chunhua [1 ]
Hao Yuxi [1 ]
Qi Lin [1 ]
Hu Fang [1 ]
Zhang Song [1 ]
Wang Maocai [2 ]
机构：
[1] Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang, Peoples R China
[2] Chinese Acad Sci, Inst Met Res, Stae Key Lab Corros & Protect, Beijing, Peoples R China
来源：
ADVANCED MANUFACTURING TECHNOLOGY, PTS 1-4 | 2012年 / 472-475卷
关键词：
Wide-band laser cladding; Ni-base alloy; Monel alloy; Electro spark deposition; BEHAVIOR; MICROSTRUCTURE; CORROSION;
D O I：
10.4028/www.scientific.net/AMR.472-475.313
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper presents the results of a study concerned with the surface hardening of Inconel 625 alloys and Ni-base alloy powder on Monel alloy by electro spark deposition and laser cladding processes. The microstructure, the phase composition and the microhardness of samples are investigated by SEM, EDS, XRD and microhardness instrument. It is shown that, the matrix phase is mainly made up of dendritic structure (gamma-Ni), interdendritic eutectic phase (Ni-3(B,Fe,Si)) and some precipitates (Cr7C3, Cr23C6). Additional, the microhardness of laser cladding layer can be substantially increased, duo to formation of precipitates.
引用
收藏
页码：313 / +
页数：2
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