Metal Corrosion Screening in a Nitrogen-Based Fuel at High Temperature and Pressure

被引：7

作者：

Dana, A. Grinberg ^{[1
]}

Starostin, M. ^{[2
]}

Shter, G. E. ^{[2
]}

Buk, A. ^{[1
]}

Dinner, O. ^{[2
]}

Grader, G. S. ^{[2
]}

机构：

[1] Technion Israel Inst Technol, Nancy & Stephen Grand Technion Energy Program, IL-3200003 Haifa, Israel

[2] Technion Israel Inst Technol, Wolfson Dept Chem Engn, IL-3200003 Haifa, Israel

来源：

OXIDATION OF METALS | 2014年 / 82卷 / 5-6期

关键词：

High temperature corrosion; High pressure; Stainless steel; Aqueous urea ammonium nitrate; Nitrogen-based alternative fuel; AMMONIUM-NITRATE; WATER-VAPOR; ALLOYS; BEHAVIOR; STEELS; DECOMPOSITION; ATMOSPHERES; COMBUSTION; OXIDATION;

D O I：

10.1007/s11085-014-9504-5

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

We report here for the first time on a metal corrosion screening study of a novel nitrogen-based fuel under high temperature and pressure continuous combustion. The fuel consists of an aqueous urea and ammonium nitrate solution. Three austenitic stainless steels (SS) 316L, 310S, 330 were tested for 200 h under 20 MPa. One coupon set was positioned in the hot reactor zone, while a second set was placed in a colder zone. The temperatures in the hot and cooler zones were 745 +/- A 5 and 545 +/- A 5 A degrees C, respectively. Microstructure, chemical composition, depth profile, and oxide scale thickness were studied by SEM/EDS and TOF-SIMS analyses. The heaviest corrosion was observed in the hot reaction zone for 316L SS. No protective Cr-rich oxide films were found in the scales formed on all tested SS.

引用

页码：491 / 508

页数：18

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