Corrosion Studies of Low-Alloyed FeCrAl Steels in Liquid Lead at 750°C

被引：21
|
作者：
Domstedt, Peter [1 ]
Lundberg, Mats [1 ,2 ]
Szakalos, Peter [1 ]
机构：
[1] KTH Royal Inst Technol, Drottning Kristinas Vag 51, S-10044 Stockholm, Sweden
[2] Sandvik Mat Technol AB, S-81118 Sandviken, Sweden
来源：
OXIDATION OF METALS | 2019年 / 91卷 / 3-4期
基金：
欧盟地平线“2020”;
关键词：
FeCrAl; CSP; Liquid lead; High-temperature corrosion; OXIDE SCALE FORMATION; STRUCTURAL-MATERIALS; STAINLESS-STEELS; OXIDATION; OXYGEN; AL; RESISTANCE; STRENGTH;
D O I：
10.1007/s11085-019-09896-z
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
New ductile experimental FeCrAl alloys, based on the composition of Fe-10Cr-4Al, were exposed to stagnant liquid lead at 750 degrees C for up to 1970h. Two exposures with different test conditions were performed: one with addition of oxygen (as H2O) to the liquid lead and one without. The experimental alloys showed generally good oxidation and self-healing properties. The exposures showed that this specific category of steels has the potential to operate in liquid lead at very high temperatures with only minor oxidation. With this new material development, new energy technologies such as the CSP plants may be able to utilize liquid lead at very high temperatures as heat transfer fluid, thus achieving increased thermal efficiency.
引用
收藏
页码：511 / 524
页数：14
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