Corrosion Properties of Austenitic Cr-Mn-Ni-N Steels with Various Manganese Concentrations

被引：5
|
作者：
Berezovskaya, V. V. [1 ]
Kostina, M. V. [2 ]
Blinov, E. V. [2 ]
Bannykh, I. O. [2 ]
Bobrova, V. E. [1 ]
Mel'nik, V. P. [1 ]
机构：
[1] Ural State Tech Univ UPI, Ul Mira 19, Ekaterinburg 620002, Russia
[2] Russian Acad Sci, Baikov Inst Met & Mat Sci, Moscow 119991, Russia
来源：
RUSSIAN METALLURGY | 2008年 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S0036029508010060
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The structure and corrosion properties of two high-nitrogen 05Kh20AN8MF steels additionally alloyed with 9 and 17% Mn have been studied. Metallographic, X-ray diffraction, and fractographic studies show that both steels have an austenitic structure and high plasticity properties after quenching from 1100 and 1100 degrees C and subsequent aging at 500 degrees C for 2 h. The steel alloyed with 9% Mn and 0.58% V exhibit a higher strength. Both steels have a higher corrosion resistance in a 3.5% NaCl aqueous solution than 12Kh18N9T steel. After aging at 400-600 degrees C, the corrosion rate and the sensitivity to stress corrosion cracking increase.
引用
收藏
页码：29 / 33
页数：5
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