Co-optimization of wrought alumina-forming austenitic stainless steel composition ranges for high-temperature creep and oxidation/corrosion resistance

被引：121

作者：

Brady, M. P. ^{[1
]}

Magee, J. ^{[2
]}

Yamamoto, Y. ^{[1
]}

Helmick, D. ^{[2
]}

Wang, L. ^{[3
]}

机构：

[1] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA

[2] Carpenter Technol Corp, Reading, PA 19612 USA

[3] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2014年 / 590卷

基金：

美国能源部;

关键词：

Mechanical characterization; Oxidation; Austenite; Intermetallic; Precipitation; OXIDATION RESISTANCE; ALLOYS; BEHAVIOR; ADDITIONS;

D O I：

10.1016/j.msea.2013.10.014

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A series of candidate alumina-forming austenitic (AFA) stainless steels designed to evaluate the effects of variation in Al, C, Cr, Mn, Nb, and Ni content on high-temperature tensile properties, creep, and oxidation/corrosion resistance were studied. The compositions assessed were based on medium Ni (20-25 wt%) and low Ni (12 wt%) AFA variations strengthened primarily by MC and/or M23C6 carbide precipitates, and a high Ni (32 wt%) AFA superalloy variation strengthened primarily by gamma '-Ni3Al intermetallic precipitates. Tensile and creep properties were measured at 650 and 750/760 degrees C, oxidation resistance from 650 to 900 C in air with water vapor and steam environments, and sulfidation-oxidation resistance in Ar-20%H-2-20%H-2(O)-5% H2S at 550 and 650 degrees C. Optimized composition ranges for different use temperatures ranges based on these evaluations are presented. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：101 / 115

页数：15

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