Oxidation of P92 steel weldment between 600 and 800 °C in air

被引：0
|
作者：
Sang-Hwan Bak
Dong-Bok Lee
机构：
[1] SungkyunkwanUniversity,School of Advanced Materials Science and Engineering
来源：
Metals and Materials International | 2011年 / 17卷
关键词：
alloys; welding; oxidation; scanning electron microscopy (SEM); P92 steel;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
P92 alloy with a composition of Fe-9.1Cr-0.5Mo-1.7W (wt.%) was welded, and its oxidation behavior was studied at 600, 700 and 800 °C for up to 6 months in air. The oxidation resistance decreased in the order of the base metal, weld metal, and the heat affected zone. The morphology and the composition of the scales formed on these samples were similar. The scales were either uniform in thickness or nodular. The scales consisted mainly of Fe2O3. As oxidation progressed, thick, nodular oxide scales formed. The alloying elements such as Cr, W, and Mn tended to incorporate in the lower part of the oxide scale.
引用
收藏
页码：949 / 956
页数：7
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