Effects of low-temperature aging on AlSl 444 steel

被引：12
|
作者：
Souza, JA
Abreu, HFG
Nascimento, AM
de Paiva, JAC
de Lima-Neto, P
Tavares, SSM
机构：
[1] Univ Fed Ceara, Dept Engn Mecan, Lab Caracterizacao De Mat, BR-60455760 Fortaleza, Ceara, Brazil
[2] Univ Fed Ceara, Dept Fis, Fortaleza, Ceara, Brazil
[3] Univ Fed Ceara, Dept Quim Fis & Analit, Fortaleza, Ceara, Brazil
[4] Univ Fed Fluminense, Dept Engn Mecan, Posgrad Engn Mecan, Niteroi, RJ, Brazil
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2005年 / 14卷 / 03期
关键词：
AISI; 444; steel; corrosion resistance; embrittlement; ferritic stainless steels;
D O I：
10.1361/10599490524020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The consequences of aging at 400 and 475 degrees C on the mechanical properties, corrosion resistance, and magnetic properties of the ferritic stainless steel (SS) AISI 444 were investigated. Age hardening was measured as a function of aging time at both temperatures and was found to be more intense at 475 degrees C. The localized corrosion susceptibility increased, while the impact toughness decreased with aging time. These two effects were also more important at 475 degrees C. Unlike duplex SSs, AISI 444 did not present any variation in coercive force or Curie temperature with aging time. The effects on the Mossbauer spectra were also determined and analyzed.
引用
收藏
页码：367 / 372
页数：6
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