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| Synergic Effect of Shot Blasting and Deposit RE on Corrosion Behavior of TP304H steel in SO_2-O_2 at 923K | |
| 引用本文： | LI Xin-geng1>2,FU Min1,HE Ja-wen2 Shandong Electric Power Research Institute of China,Jinan,China 2.State Key Laboratory for Mechanical Behavior of Materials,Xi''''an Jiaotong University,Xi''''an,China. Synergic Effect of Shot Blasting and Deposit RE on Corrosion Behavior of TP304H steel in SO_2-O_2 at 923K[J]. 材料热处理学报, 2004, 25(5) |
| 作者姓名： | LI Xin-geng1>2 FU Min1 HE Ja-wen2 Shandong Electric Power Research Institute of China Jinan China 2.State Key Laboratory for Mechanical Behavior of Materials Xi''''an Jiaotong University Xi''''an China |
| 作者单位： | LI Xin-geng1>2，FU Min1，HE Ja-wen2 Shandong Electric Power Research Institute of China，Jinan，China 2.State Key Laboratory for Mechanical Behavior of Materials，Xi'an Jiaotong University，Xi'an，China |
| 摘 要： | Cr-Ni STAINLESS steel has been widely applied invarious industries for its promising mechanicalproperties and corrosion resistance at elevatedtemperature.But it's vulnerable in highly corrosiveenvironments with both oxygen and sulfur,such asSOa-Oa mixture gaseous.A number of studies claimed that the corrosionaspect of Fe-Cr-Ni alloy in SO2or62atmospherefollows Wagner's rule.The corrosion mechanism isassociated with mutual diffusion of ions of base metaland corrosion media in the scale[… |
Synergic Effect of Shot Blasting and Deposit RE on Corrosion Behavior of TP304H steel in SO2-O2 at 923K |
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| LI Xin-geng,FU Min,HE Ja-wen. Synergic Effect of Shot Blasting and Deposit RE on Corrosion Behavior of TP304H steel in SO2-O2 at 923K[J]. Transactions of Materials and Heat Treatment, 2004, 25(5) | |
| Authors: | LI Xin-geng FU Min HE Ja-wen |
| Affiliation: | 1. Shandong Electric Power Research Institute of China, Jinan, China;State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi' an, China 2. Shandong Electric Power Research Institute of China, Jinan, China 3. State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi' an, China |
| Abstract: | The corrosion behavior of TP304H steel with combined treatment of shot blasting and electrophoresis deposited RE coating in l%SO2+14%O2+85%Ar mixture gaseous has been studied at 923K for 150 hours. The results show that both RE coating and shot blasting can improve the corrosion resistance of TP304H steel, and combined treatment has the best effect. Combined treatment reduces 50% mass gain, enhances the continuous and compactness of scale and changes the scale phase forms from FeaOs/Fe^S/Ni^/S to Cr2O3/FeCr2S4/Ni3_xS2. The synergistic effects of combined treatment on corrosion resistance and the effect of shot blasting on corrosion kinetics are discussed. Shot blasting increases the outward diffusion and surface concentration of Cr, Ce coating promotes the selective oxidation of Cr. |
| Keywords: | stainless steel high temperature corrosion oxidation-sulfidation shot blasting rare earth |
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