Oxidation behavior at 900°C of austenitic, ferritic, and duplex stainless steels manufactured by powder metallurgy

被引：62

作者：

Bautista, A ^{[1
]}

Velasco, F ^{[1
]}

Campos, M ^{[1
]}

Rabanal, ME ^{[1
]}

Torralba, JM ^{[1
]}

机构：

[1] Univ Carlos III Madrid, Dept Mat Sci, Madrid 28911, Spain

来源：

OXIDATION OF METALS | 2003年 / 59卷 / 3-4期

关键词：

powder metallurgy; stainless steels; cyclic oxidation;

D O I：

10.1023/A:1023000329514

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

This study examines the resistance to cyclic oxidation at 900degreesC of two commercial P/M stainless steels-one austenitic (AISI 316L), the other ferritic (AISI 434L)-and of three duplex stainless steels of different compositions. The test results show that the porosity of these materials leads to notable differences between their high-temperature oxidation behavior and that of conventional stainless steels of similar composition. In the case of P/M materials, the resistance to oxidation and the chemical composition of the oxides formed are strongly influenced not only by the degree of porosity of each material, but also by the concentration of Ni in the base metal. In the conditions adopted in the study, ferritic stainless steel was found to provide the best high-temperature oxidation resistance.

引用

页码：373 / 393

页数：21

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