High-temperature oxidation resistance of austenitic stainless steel Super304H

被引：0

作者：

Li, Dongsheng ^{[1
]}

Dai, Qixun ^{[1
]}

Wang, Guojian ^{[2
]}

Li, Dan ^{[1
]}

Shao, Xinzhong ^{[2
]}

Wang, Rongrong ^{[1
]}

机构：

[1] School of Materials Science and Engineering, Jiangsu University, Zhenjiang

[2] Jiangsu Yinhuan Precision Steel Tube Limited Company, Yixing

来源：

Jiangsu Daxue Xuebao (Ziran Kexue Ban)/Journal of Jiangsu University (Natural Science Edition) | 2012年 / 33卷 / 05期

关键词：

Austenitic stainless steel; High temperature oxidation; Organizational structure; Oxidation scale; Super304H;

D O I：

10.3969/j.issn.1671-7775.2012.05.017

中图分类号：

学科分类号：

摘要：

The high-temperature oxidation properties of Super304H and Super304HS austenitic heat-resis-tance stainless steels at various temperatures were investigated by weighting method. The results indicate that the dynamic oxidation curves of both Super304H and Super304HS show parabolical figure. The oxidation resistance property of Super304HS is markedly better than that of Super304H, and the oxidation scale of Super304H is obviously chipped off after the treatment at 900°C for 100 h. Surface morphologies and structure of oxidation scales were analyzed by SEM and XRD. The results show that similar composition of Cr 2O 3 with small FeCr 2O 4 was detected in the two types of oxidation scales at 700°C and 800°C. The oxidation scale of Super304H at 900°C mainly contains Cr 2O 3, Fe 2O 3 and FeCr 2O 4, while only Cr 2O 3 and FeCr 2O 4 are observed in oxidation sacle of Super304HS.

引用

页码：581 / 585

页数：4

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