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Home > Archive>Volume 52, Issue 11, 2023 >3857-3866. DOI:10.12442/j.issn.1002-185X.20220838
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Effect of Yttrium on High Temperature Oxidation Behavior ofNew-Type Fe-Ni-Cr-Al Alloy
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Affiliation:

1.School of Mechanical and Power Engineering,Shenyang University of Chemical Technology;2.Institute of Metal Research,Chinese Academy of Sciences

Fund Project:

National Key R&D Program of China (No.2021YFC2202402)

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    Abstract:

    The oxidation behaviors of new-type Fe-Ni-Cr-Al alloys with different Y contents in air atmosphere at 1300 ℃ were studied by isothermal oxidation test. The type and distribution of oxidation products were studied by X-ray diffraction (XRD) and scanning electron microscopy (SEM). It is found that the addition of Y element is beneficial to the oxidation resistance of Fe-Ni-Cr-Al alloy. The reason is that the Y element can promote the formation of a dense composite protective layer of spinel and chromium oxide on the surface of Fe-Ni-Cr-Al alloy, and then slow down the diffusion of the elements in the matrix. At the same time, Y element can accelerate the transformation mode of Al2O3 from internal oxidation to external oxidation and slow down the internal nitridation process. In summary, the oxidation resistance increases.

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[Ren Lei, Fu Guangyan, Liu Enze, Tan Zheng, Ning Likui, Lai Yongjun, Tong Jian, Li Haiying, Zheng Zhi. Effect of Yttrium on High Temperature Oxidation Behavior ofNew-Type Fe-Ni-Cr-Al Alloy[J]. Rare Metal Materials and Engineering,2023,52(11):3857~3866.]
DOI：10.12442/j. issn.1002-185X.20220838

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History
  • Received:October 25,2022
  • Revised:November 25,2022
  • Adopted:November 29,2022
  • Online: November 27,2023
  • Published: November 22,2023

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