The effect of boron on the properties and structure of austenitic stainless steels

被引：0
|
作者：
Babenko, A.A. [1 ]
Shartdinov, R.R. [1 ]
Salina, V.A. [1 ,2 ]
Gulyakov, V.S. [1 ]
机构：
[1] Institute of Metallurgy, Russian Academy of Sciences (RAS), Ural Branch, Yekaterinburg, Russia
[2] Ural State Mining University, Yekaterinburg, Russia
来源：
Metallurgist | 2024年 / 68卷 / 07期
关键词：
Austenitic stainless steel;
D O I：
10.1007/s11015-024-01812-4
中图分类号：
学科分类号：
摘要：
Influence of boron in a wide content range (0.0004–2.0%) and its joint effect with other alloying elements (Ti, Ce, Nb, Si, Mo, W, Al, N) on the structure and properties of austenitic stainless steels was analyzed. Due to segregation of boron along the grain boundaries and formation of various carbides, it is capable of increasing the strength and ductility, creep resistance and performance properties at high temperatures (> 600 °C). At the same time, a small boron content (≤ 0.004%), for example, in grade 304 stainless steel (Russian analogue—steel 08Kh18N10), leads to an improved corrosion resistance. However, with an increase in boron content (up to 2%), the positive effect disappears and steel becomes more susceptible to corrosion, while becoming stronger and inhibiting cracks formation during deformation due to grain refinement. © Springer Science+Business Media, LLC, part of Springer Nature 2024.
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页码：1032 / 1039
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