A COMPARATIVE-STUDY OF HOT CORROSION OF WELDED AND UNWELDED 2.25 CR-1MO STEEL

被引：5
|
作者：
AHILA, S
IYER, SR
RADHAKRISHNAN, VM
PRASAD, PBSNV
机构：
[1] Department of Metallurgical Engineering, Indian Institute of Technology, Madras
来源：
MATERIALS LETTERS | 1993年 / 16卷 / 2-3期
关键词：
D O I：
10.1016/0167-577X(93)90036-W
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hot corrosion of unwelded and welded 2.25 Cr-1Mo steel coated with a potassium sulphate and sodium chloride mixture is discussed. The coating composition is a eutectic mixture with 40 wt% K2SO4 and 60 wt% NaCl. Weight gain studies were done for welded specimens containing only weld metal and composite specimens containing both weld metal and heat-affected zone. The results indicated that the coated specimens were more corroded than uncoated specimens. Also welded samples showed less attack than unwelded samples.
引用
收藏
页码：130 / 133
页数：4
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