Glass coatings on stainless steels for high-temperature oxidation protection: Mechanisms |
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| Affiliation: | 1. Department of Industrial Engineering, University of Trento, Via Sommarive, 9, 38123 Trento, Italy;2. School of Engineering, University of Jonkoping, Sweden;3. SP Technical Research Institute of Sweden, Sweden;1. Energy Materials Centre, Korea Institute of Ceramic Engineering and Technology, Jinju 52851, South Korea;2. Department of Ceramic Engineering, Gyeongsang National Univ., 52828 Jinju, South Korea;3. Advanced Institute for Science and Technology (AIST), Hanoi University of Science and Technology (HUST), No. 01, Dai Co Viet Road, Hanoi, Vietnam;1. Shenyang National Laboratory for Materials Science, Northeastern University, Shenyang 110819, China;2. Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China;1. Shenyang National Laboratory for Materials Science, Northeastern University, Shenyang, 110819, China;2. School of Materials Science and Engineering, Northeastern University, Shenyang, 110819, China;3. BGRIMM Technology Group Co., Ltd, Beijing, 100160, China;4. Northwest Institute for Non-ferrous Metal Research, Xi’an, 710016, China;5. Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, China |
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| Abstract: | The oxidation behavior of a martensitic stainless steel with or without glass coating was investigated at 600–800 °C. The glass coating provided effective protection for the stainless steel against high-temperature oxidation. However, it follows different protection mechanisms depending on oxidation temperature. At 800 °C, glass coating acts as a barrier for oxygen diffusion, and oxidation of the glass coated steel follows linear law. At 700 or 600 °C, glass coating induces the formation of a (Cr, Fe)2O3/glass composite interlayer, through which the diffusion of Cr3+ or Fe3+ is dramatically limited. Oxidation follows parabolic law. |
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| Keywords: | A Stainless steel A Glass C Oxidation C Interfaces |
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