Water vapor corrosion of mullite containing small amount of sodium

Ueno, Shunkichi; Jayaseelan, Daniel Doni; Kondo, Naoki; Ohji, Tatsuki; Kanzaki, Shuzo

doi:10.1016/j.ceramint.2004.03.044

Cited by 27 publications

(33 citation statements)

References 7 publications

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“…11 However, the X-ray results from the middle region of the sample showed the peaks of mullite phase similar to those obtained for as-sintered bulk. Hence, the results suggested that corundum phase only formed on the bulk surface exposed to water vapor environment at elevated temperatures.…”

Section: Resultssupporting

confidence: 68%

“…Such large cavities were not observed in 1300 • C sample. 11 Analysis shows that the composition of Al 2 O 3 :SiO 2 just below the surface was 3.04:1.98 that was the same as the reference mullite composition. Results thus suggested that the composition of Al 2 O 3 :SiO 2 retained the same throughout the bulk except on the bulk surface and in the pores.…”

Section: Resultsmentioning

confidence: 87%

“…SEM micrograph of a inside of pore. 11 Reprinted with permission from Ref. 11 Copyright@ Elsevier Ltd.…”

Section: Resultsmentioning

confidence: 95%

“…(1): Fig. 1 shows the SEM micrograph of the polished cross section of mullite bulk after corrosion tests under water vapor at 1500 • C. 11 A large amount of cavities with size of ∼100 m were observed near the bulk subsurface region. Such large cavities were not observed in 1300 • C sample.…”

Section: Resultsmentioning

confidence: 98%

“…SEM micrograph of the cross section for 1500 • C testing mullite samples 11. Reprinted with permission from Ref 11.…”

mentioning

confidence: 98%

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