Structure and phases in nickel-base self-fluxing alloy coating containing high chromium and boron

被引：86

作者：

Otsubo, F ^{[1
]}

Era, H ^{[1
]}

Kishitake, K ^{[1
]}

机构：

[1] Kyushu Inst Technol, Fac Engn, Dept Mat Sci & Engn, Kitakyushu, Fukuoka 8048550, Japan

来源：

JOURNAL OF THERMAL SPRAY TECHNOLOGY | 2000年 / 9卷 / 01期

关键词：

metallography; nickel-base self-fluxing alloy; transmission electron microscopy;

D O I：

10.1361/105996300770350131

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The structure of a nickel-base, self-fluxing alloy coating, containing chromium and boron thermal sprayed and fused, was investigated by x-ray diffraction (XRD), scanning electron microscopy (SER I), electron probe microanalysis (EPMA), and transmission electron microscopy (TEM). A lumpy M6C carbide, a rodlike M3B2 boride of tetragonal structure, a rodlike M7C3 carbide of hexagonal structure, and a Ni-Ni3B eutectic phase formed in the coating after fusing, Metals of M6C, M3B2, and M7C3 phases are composed of chromium, molybdenum, and nickel; chromium and molybdenum; and mainly chromium, respectively. The nickel phase in the coating has the L1(2) type superlattice structure.

引用

页码：107 / 113

页数：7

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