HIGH TEMPERATURE OXIDATION AND STRUCTURE OF SCALE AND WHISKERS FOR Fe-Ni-Cr SEALING ALLOYS

Acta Metall Sin

1992, Vol. 28

Issue (10): 69-72 DOI:

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HIGH TEMPERATURE OXIDATION AND STRUCTURE OF SCALE AND WHISKERS FOR Fe-Ni-Cr SEALING ALLOYS

DONG Zhili; MA Jusheng; TANG Xiangyun; YOU Liang (Tsinghua University; Beijing)

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DONG Zhili; MA Jusheng; TANG Xiangyun; YOU Liang (Tsinghua University; Beijing). HIGH TEMPERATURE OXIDATION AND STRUCTURE OF SCALE AND WHISKERS FOR Fe-Ni-Cr SEALING ALLOYS. Acta Metall Sin, 1992, 28(10): 69-72.

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Abstract The oxidation rate, the growth, morphology and structure of oxide scale and whiskers for Fe-Ni-Cr sealing alloys in H_2-H_2O atmosphere at high temperatures have been studied. The growth rate of scale is controlled by diffusion. The scale is composed of Cr_2O_3 and spinel(Fe, Mn)O Cr_2O_3 and the oxide whiskers are spinel (Fe, Mn) O Cr_2O_3.

Key words: Oxidation oxide scale oxide whisker Fe-Ni-Cr sealing alloy

Received: 18 October 1992

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