Microprocesses of coke formation in metal dusting
โ Scribed by Q. Wei; E. Pippel; J. Woltersdorf; H.J. Grabke
- Book ID
- 102662267
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- German
- Weight
- 520 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0947-5117
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## Abstract Metal dusting of iron proceeds via the formation and disintegration of the metastable carbide Fe~3~C, and the resulting fine Fe particles in the coke further catalyse carbon deposition. By contrast, nickel disintegrates directly, and larger grains are released. As revealed by TEM and AE
## Abstract Iron carburisation and coke formation during metal dusting of iron have been investigated in the gas mixture of 75%COโ24.8%H~2~โ0.2%H~2~O at 600ยฐC and 700ยฐC. In all cases, cementite is formed at the surface, together with a coke layer on the top. In the coke layer, two morphologies of g
## Abstract Preโoxidation was introduced to improve the resistance of electroplated pure, 5 ยตm CeO~2~โdispersed, and 9โ15 nm CeO~2~โdispersed Ni~3~Al coatings to coke formation and metal dusting in 24.4%COโ73.3%H~2~โ2.3%H~2~O at 650โยฐC. Coke formation and metal dusting of preโoxidized Ni~3~Alโbased