Microstructure of the clad layer of chromium on to mild steel by low-pressure laser spraying

被引：2
|
作者：
Isshiki, Y
Nakai, H
Hashimoto, M
机构：
[1] Tokyo Metropolitan Res Inst Ind Technol, Kita Ku, Tokyo 115, Japan
[2] Univ Electrocommun, Int Student Ctr, Chofu, Tokyo 182, Japan
[3] Univ Electrocommun, Dept Appl Phys & Chem, Chofu, Tokyo 182, Japan
来源：
SURFACE & COATINGS TECHNOLOGY | 1998年 / 100卷 / 1-3期
关键词：
chromium; clad layer; laser spraying; microstructure;
D O I：
10.1016/S0257-8972(97)00662-2
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The microstructure of the clad layer of chromium on to a mild steel obtained by low-pressure laser spraying (LPLS) is investigated by cross-sectional electron microscopy (XTEM). When impinged energy density E-i on the substrate is selected to be 64 W mm(-2) the clad layer consists of a Cr30Fe70 alloy with a layer-by-layer structure. The thickness of the first sub-layer is 3-7 mu m. The crystalline orientation of one sub-layer is markedly different from another, but sub-layers smoothly contact each other. One sub-layer is presumably deposited by one pass of laser spraying. (C) 1998 Elsevier Science S.A.
引用
收藏
页码：420 / 423
页数：4
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