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Fe-1Cr钢的高温氧化动力学研究 被引量：9

Study on Oxidation Dynamics of Fe-1Cr Steel at High Temperature
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摘要 利用热重法对Fe-1Cr和Fe-0Cr钢进行恒温氧化动力学研究,计算出这两个钢种的激活能。使用扫描电镜对Fe-1Cr钢氧化后的表面形貌进行观察。结果表明:在120 min高温氧化后,Fe-1Cr的氧化增重要小于Fe-0Cr钢,且Fe-0Cr比Fe-1Cr更易被氧化。在700℃时Fe-1Cr钢氧化表面产物以Fe_3O_4为主,随温度升高,Fe_3O_4表面有Fe_2O_3生成。 The isothermal oxidation kinetics of Fe-1Cr and Fe-0Cr steel was studied by thermogravimetry. The activation energy of the two steels was calculated. The surface morphologies of Fe-lCr steel after oxidation were observed by SEM. The result shows that after high temperature oxidation for 120 rain, Fe-lCr steel has less mass gain than Fe-0Cr steel. Fe-0Cr steel is easier to be oxidized than Fe-1Cr steel. At 700 ℃, the oxidation product of the surface of Fe-lCr steel is mainly Fe304. Fe203is generated on the surface of Fe304 with temperature elevating.
作者 王皓 孙彬 王建明 刘懿萱
机构地区 沈阳大学机械工程学院
出处 《热加工工艺》 CSCD 北大核心 2016年第18期46-48,52,共4页 Hot Working Technology
基金 国家自然科学基金青年基金资助项目(51301111)
关键词 CR合金 氧化动力学模型 高温氧化 表面形貌 Cr alloy oxidation kinetics model high temperature oxidation surface morphology
分类号 TG113.233 [金属学及工艺—物理冶金]
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参考文献10

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二级参考文献14

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热加工工艺
2016年 第18期

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