期刊
CORROSION SCIENCE
卷 52, 期 12, 页码 3861-3874出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2010.07.032
关键词
Alloys; Metal coatings; Modelling studies; SEM; XRD; High-temperature corrosion
资金
- Engineering and Physical Science Research Council (EPSRC)
- Royal Thai Government
- Engineering and Physical Sciences Research Council [EP/E039995/1] Funding Source: researchfish
- EPSRC [EP/E039995/1] Funding Source: UKRI
High-temperature corrosion in the superheater of a large-scale waste-to-energy plant was investigated. A comparison of nickel-/iron-based alloys and austenitic stainless steel probes placed in the furnace demonstrated that temperature and particle deposition greatly influence corrosion. Nickel-based alloys performed better than the other metal alloys, though an aluminide coating further increased their corrosion resistance. Sacrificial baffles provided additional room for deposit accumulation, resulting in vigorous deposit-induced corrosion. Computational modelling (FLUENT code) was used to simulate flow characteristics and heat transfer. This study has shown that the use of aluminide coatings is a promising technique for minimising superheater corrosion in such facilities. (C) 2010 Elsevier Ltd. All rights reserved.
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