High-temperature Oxidation Behavior of 9Cr Ferritic-steel in Carbon Dioxide

Keitarou Kaya; Shigenari Hayashi; Shigeharu Ukai

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High-temperature Oxidation Behavior of 9Cr Ferritic-steel in Carbon Dioxide

机译：9Cr铁素体在二氧化碳中的高温氧化行为

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Commercial STBA26, 9Cr-1Mo ferritic steel, was exposed to CO_(2) gas and air at 700°C in order to understand the oxidation behavior of a 9Cr-steel in CO_(2) atmosphere. Oxidation of STBA26 was significantly accelerated in CO_(2) compared to that in air. In CO_(2) thick iron rich oxide nodules were formed on the steel and chromium rich carbides were found to form below the oxide scale.The carbon activity at the scale/alloy interface was sufficiently high to maintain parabolic internal continuous carbon supply to the interface is considered to be a reason to cause a breakaway of protective oxide scale.

机译：为了了解9Cr钢在CO_（2）气氛中的氧化行为，将商用STBA26 9Cr-1Mo铁素体钢暴露于700°C的CO_（2）气体和空气中。与空气相比，CO_（2）中STBA26的氧化明显加快。在CO_（2）中，钢上形成了厚的富铁氧化物结核，并发现在氧化皮以下形成了富铬的碳化物。在氧化皮/合金界面上的碳活度足够高，以维持向界面的抛物线内部连续碳供应。被认为是引起保护性氧化皮脱离的原因。

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《ISIJ international》 |2014年第6期|共7页
作者
Keitarou Kaya; Shigenari Hayashi; Shigeharu Ukai;
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正文语种
中图分类钢铁冶炼（黑色金属冶炼）（总论）;
关键词
high-temperature oxidationcarburizationCarbon dioxideferritic steeloxyfuel combustion;

机译：高温氧化渗碳二氧化碳铁素体钢氧燃料燃烧;

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1. High-temperature Oxidation Behavior of 9Cr Ferritic-steel in Carbon Dioxide [J] . Keitarou KAYA, Shigenari HAYASHI, Shigeharu UKAI ISIJ international . 2014,第6期

机译：9Cr铁素体在二氧化碳中的高温氧化行为
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High-temperature Oxidation Behavior of 9Cr Ferritic-steel in Carbon Dioxide

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