| ZHANG Jie,TAO Kai,CUI Hua,ZHOU Xiang-lin,ZHANG Ji-shan.Hot Corrosion Behavior of Nanostructured High Chromium Content Nickel Based Alloy Coatings Prepared by AC-HVAF Technique[J],36(6):18-21 |
| Hot Corrosion Behavior of Nanostructured High Chromium Content Nickel Based Alloy Coatings Prepared by AC-HVAF Technique |
| Received:July 18, 2007 Revised:December 10, 2007 |
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| DOI： |
| KeyWord:AC-HVAF Nanostructured coating High chromium content nickel based alloy Hot corrosion |
| Author | Institution |
| ZHANG Jie |
State Key Laboratory for Advanced Metals and Materials , Beijing University of Science and Technology, Beijing , China |
| TAO Kai |
State Key Laboratory for Advanced Metals and Materials , Beijing University of Science and Technology, Beijing , China |
| CUI Hua |
State Key Laboratory for Advanced Metals and Materials , Beijing University of Science and Technology, Beijing , China |
| ZHOU Xiang-lin |
State Key Laboratory for Advanced Metals and Materials , Beijing University of Science and Technology, Beijing , China |
| ZHANG Ji-shan |
State Key Laboratory for Advanced Metals and Materials , Beijing University of Science and Technology, Beijing , China |
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| Abstract: |
| Nanostructured and conventional high chromium content nickel based alloy coatings were prepared by AC-HVAF technique. The corrosion kinetics of two coatings and 20G steel were studied at 550℃ and 650℃ . The morphologies and compositions of corrosion products were determined by SEM and XRD. The experimental results indicate that two coatings develop a continuous and compact Cr203 layer, which can further restrain the corrosion process effectively. Under the same corrosion conditions, nanostructured coatings have lower corrosion weight gains and better corrosion resistance than conventional coatings. |
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