Effect of Zig-Zag Grain Boundary on Fatigue Property of Superalloy GH220

Ge Zhanying; Ye Ruiceng; Sun Jingui; Wang Yueyi; Li Li

doi:10.13374/j.issn1001-053x.1986.s1.009

Volume 8 Issue S1

Nov. 2021

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Ge Zhanying, Ye Ruiceng, Sun Jingui, Wang Yueyi, Li Li. Effect of Zig-Zag Grain Boundary on Fatigue Property of Superalloy GH220[J]. Chinese Journal of Engineering, 1986, 8(S1): 69-74. doi: 10.13374/j.issn1001-053x.1986.s1.009

Citation:

Ge Zhanying, Ye Ruiceng, Sun Jingui, Wang Yueyi, Li Li. Effect of Zig-Zag Grain Boundary on Fatigue Property of Superalloy GH220[J]. Chinese Journal of Engineering, 1986, 8(S1): 69-74. doi: 10.13374/j.issn1001-053x.1986.s1.009

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Effect of Zig-Zag Grain Boundary on Fatigue Property of Superalloy GH220

doi: 10.13374/j.issn1001-053x.1986.s1.009

Available Online: 2021-11-15

Abstract

Abstract

Fatigue property of alloy GH220 treated by two kinds of heat treatment have been tested.The results show that the fatigue limit of alloy treated by isothermal teat treatment is higher than that treatde by standard heat treatment. The reason of this difference is discussed in detail.
- alloying elements,
- zigzag grain boundary,
- grain size