Influence of surface modification on steam oxidation of Super304H at 650 ℃

LE Ming; WANG Hongzhe; YU Zaisong; LU Jintao; YANG Zhen; SHANGGUAN Xiaofeng; GU Yuefeng

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Influence of surface modification on steam oxidation of Super304H at 650 ℃

Thermal Power Generation Issue 10, (2016)

更新时间：2025-09-28

- Influence of surface modification on steam oxidation of Super304H at 650 ℃
- 作者机构：
  
  1. 西安热工研究院有限公司,陕西,西安,710032
  2. Xi'an Technological University,Xi'an,China,710032
  3. 西安工业大学,陕西,西安,710032
- 作者简介：
- 基金信息：
- DOI：
  CLC： TG174.4
- Published Online：15 October 2016，
  
  Published：2016
- 稿件说明：
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LE Ming, WANG Hongzhe, YU Zaisong, et al. Influence of surface modification on steam oxidation of Super304H at 650 ℃[J]. Thermal Power Generation, 2016, (10).
DOI：

LE Ming, WANG Hongzhe, YU Zaisong, et al. Influence of surface modification on steam oxidation of Super304H at 650 ℃[J]. Thermal Power Generation, 2016, (10). DOI：

摘要

对未改性的Super304H钢和经喷丸、渗铝改性后的Super304H钢在650 ℃饱和蒸汽中的氧化行为进行研究

使用电子天平测量氧化增重

利用X射线衍射仪、扫描电子显微镜对氧化膜进行了分析。结果表明:未进行表面改性的Super304H钢抗蒸汽氧化能力不足

喷丸对Super304H钢抗蒸汽氧化能力有一定提升作用

渗铝处理可显著提升Super304H钢抗蒸汽氧化能力；Super304H钢外层氧化膜为Fe2O3

内层氧化膜为Fe-Cr尖晶石

外层氧化膜生长至一定厚度易发生剥落；喷丸样品氧化膜由Cr2O3与少量的Mn-Fe尖晶石组成

但变形孪晶层因相邻亚晶界凸出、吞并而退化；渗铝样品表面形成Al2O3氧化膜

互扩散区Al元素含量保持不变。

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