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High Temperature Behavior of Yttrium – Doped Siliconized 316L Stainless Steel at CO2 Environment

    Rajab Mohammed Hussein

Anbar Journal of Engineering Sciences, 2009, Volume 2, Issue 1, Pages 49-60
10.37649/aengs.2009.14259

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Abstract

In this study, silicon and yttrium were simultaneously co-deposited by diffusion into austenitic stainless steel (AISI 316L) substrates, by a single-step pack cementation process. Cyclic oxidation tests were conducted on the siliconized coating and on the yttrium doped siliconized coating of stainless steel in CO2 atmospheric pressure at temperatures 800° C and 900° C for 100h at 10h cyclic. The results show that the initial weight gain is rapid and increased as the temperature increased. The oxidation resistance of the yttrium doped siliconized of stainless steels was significantly improved as compared with the siliconized stainless steels. The scale formed on coated stainless steel after oxidation in CO2 environment was thick and consisted of Y2O3, SiO2, Fe2O3 and chromium oxide. Optical metallography (LOM) and X-ray diffraction (XRD) were used to characterize the resulting coating and cyclic oxidation structures.
Keywords:
    yttrium siliconized Pack cementation cyclic oxidation
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(2009). High Temperature Behavior of Yttrium – Doped Siliconized 316L Stainless Steel at CO2 Environment. Anbar Journal of Engineering Sciences, 2(1), 49-60. doi: 10.37649/aengs.2009.14259
Rajab Mohammed Hussein. "High Temperature Behavior of Yttrium – Doped Siliconized 316L Stainless Steel at CO2 Environment". Anbar Journal of Engineering Sciences, 2, 1, 2009, 49-60. doi: 10.37649/aengs.2009.14259
(2009). 'High Temperature Behavior of Yttrium – Doped Siliconized 316L Stainless Steel at CO2 Environment', Anbar Journal of Engineering Sciences, 2(1), pp. 49-60. doi: 10.37649/aengs.2009.14259
High Temperature Behavior of Yttrium – Doped Siliconized 316L Stainless Steel at CO2 Environment. Anbar Journal of Engineering Sciences, 2009; 2(1): 49-60. doi: 10.37649/aengs.2009.14259
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This journal is licensed under a Creative Commons Attribution 4.0 International (CC-BY 4.0)

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