CO2-CO气氛下3.5%硅钢固态脱碳氧化层演变规律

doi:10.11902/1005.4537.2024.345

中国腐蚀与防护学报 DOI: 10.11902/1005.4537.2024.345

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CO2-CO气氛下3.5%硅钢固态脱碳氧化层演变规律

孙伶艳¹,洪陆阔¹,孙彩娇¹,艾立群²,周美洁¹,闻莉³

1. 华北理工大学
2. 河北理工大学冶金与能源学院
3. 安阳钢铁股份有限公司

Evolution of oxide layer of 3.5% silicon steel in solid state decarburization under CO2-CO atmosphere

引用本文:

孙伶艳洪陆阔孙彩娇艾立群周美洁闻莉. CO2-CO气氛下3.5%硅钢固态脱碳氧化层演变规律[J]. 中国腐蚀与防护学报, 10.11902/1005.4537.2024.345.

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摘要: 为积极响应我国“双碳”战略目标，助力企业实现节能减排。本研究以3.5%硅钢为研究对象，CO2-CO为主要脱碳气氛，重点探讨了温度及PCO2/PCO对3.5%硅钢固态脱碳氧化层演变的影响。结果表明，在相同时间内，升高温度会加速氧化层生长；相同温度下，延长脱碳时间会导致氧化层逐步增厚。PCO2/PCO增至0.2时，氧化层在10min内迅速增厚且生长平缓，PCO2/PCO=0.1时氧化层生长较慢且较晚出现沟壑结构。本研究为优化脱碳工艺、控制氧化层厚度提供了重要理论依据

关键词 ： 3.5%硅钢, 固态脱碳, 氧化层, CO2-CO

Abstract：In order to actively respond to my country's "dual carbon" strategic goals and help enterprises achieve energy conservation and emission reduction. This study takes 3.5% silicon steel as the research object, CO2-CO as the main decarburization atmosphere, and focuses on the effects of temperature and PCO2/PCO on the evolution of the solid-state decarburization oxide layer of 3.5% silicon steel. The results show that within the same time, increasing the temperature can accelerate the growth of the oxide layer; at the same temperature, extending the decarburization time can cause the oxide layer to gradually thicken. When PCO2/PCO increases to 0.2, the oxide layer thickens rapidly within 10 minutes and grows slowly. When PCO2/PCO=0.1, the oxide layer grows slowly and the gully structure appears later. This study provides an important theoretical basis for optimizing the decarburization process and controlling the thickness of the oxide layer

Key words： 3.5% silicon steel Solid-state decarburization Oxide layer CO2-CO

收稿日期: 2024-10-20

基金资助:河北省自然科学基金

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https://www.jcscp.org/CN/Y0/V/I/0

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