Large anomalous features in the microstructure of chromium carbide weld overlays

被引：2
|
作者：
Barnes, Nairn [1 ]
Borle, Steven [1 ]
Mendez, Patricio F. [1 ]
机构：
[1] Univ Alberta, Canadian Ctr Welding & Joining Chem & Mat Engn, Edmonton, AB T6G 2V4, Canada
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2017年 / 22卷 / 07期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Chromium carbide overlays; large anomalous features; M7C3; characterisation of chromium carbide overlays; HARDFACING ALLOYS;
D O I：
10.1080/13621718.2017.1278831
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper discusses the existence of large (similar to 100 m) anomalous features observed in the microstructure of chromium carbide weld overlays. Microhardness testing (Vickers), Auger electron spectroscopy, electron backscatter diffraction, and energy dispersive x-ray spectroscopy were employed to identify the origin, composition, and phase of the large anomalous features. Analysis of the results revealed the large anomalous features are unmelted powder granules with a different composition of the orthorhombic M7C3 phase of the primary carbides.
引用
收藏
页码：595 / 600
页数：6
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