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Kinetic Behavior of Isothermal Oxidation of Cr-Fe High-Temperature Alloy
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Hongguang WANG, Shuangshuang LIU, Xuewen CAO, Jianchao LI
Mining and Metallurgical Engineering | 2023, 43(3) : 165 - 170
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Mining and Metallurgical Engineering | 2023, 43(3): 165-170
• MATERIALS •
Kinetic Behavior of Isothermal Oxidation of Cr-Fe High-Temperature Alloy
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Hongguang WANG, Shuangshuang LIU, Xuewen CAO, Jianchao LI
Affiliations
  • Department of Intelligent Manufacturing, Hebei Vocational University of Industry and Technology, Shijiazhuang 050091, Hebei, China
Published: 2023-06-01 doi: 10.3969/j.issn.0253-6099.2023.03.037
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Based on the theory of metal oxidation and the mechanism of diffusion rate control, a kinetic model was established for high temperature oxidation of Cr-Fe alloy plate. The effects of composition, temperature, atmosphere, partial pressure of oxygen on the oxidation behavior of the alloy were studied. The results show that the established oxidation kinetic model can quantitatively present an oxidation process of Cr-Fe alloy plate, by which the calculated results are in good agreement with the experimental results. The oxidation characteristic time (tΦ) of the Cr-Fe alloy is about (3-4) × 10-14 s, and tΦ in argon atmosphere decreases gradually with the increase of Fe content in the alloy. Partial pressure oxygen doesn' t bring significant impact to the oxidation rate of alloy, and all products from the equilibrium oxidation of alloy in argon atmosphere are Cr2O3. According to the standard of oxidation resistance of superalloy, Cr-Fe alloy in air atmosphere can meet the rating standards for oxidation resistance and secondary oxidation resistance.

Cr-Fe alloy  /  isothermal oxidation  /  kinetics  /  model  /  partial pressure of oxygen
Hongguang WANG, Shuangshuang LIU, Xuewen CAO, Jianchao LI. Kinetic Behavior of Isothermal Oxidation of Cr-Fe High-Temperature Alloy[J]. Mining and Metallurgical Engineering, 2023 , 43 (3) : 165 -170 . DOI: 10.3969/j.issn.0253-6099.2023.03.037
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doi: 10.3969/j.issn.0253-6099.2023.03.037
  • Receive Date：2022-12-02
  • Online Date：2026-03-05
  • Published：2023-06-01
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  • Received：2022-12-02
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    Department of Intelligent Manufacturing, Hebei Vocational University of Industry and Technology, Shijiazhuang 050091, Hebei, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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