The nucleation of δ phases triggered by the stacking faults in a single crystal superalloy

Yuan Cheng; Xinbao Zhao; Quanzhao Yue; Wanshun Xia; Qinghai Pan; Yu Zhou; Yuefeng Gu; Ze Zhang

doi:10.1080/21663831.2023.2272809

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The nucleation of δ phases triggered by the stacking faults in a single crystal superalloy

Original Reports | 更新时间：2026-08-19

- The nucleation of δ phases triggered by the stacking faults in a single crystal superalloy
- Materials Research Letters Vol. 11, Issue 11, Pages: 957-963(2023)
- 作者机构：
  
  1. a Institute of Superalloys Science and Technology School of Materials Science and Engineering Zhejiang University
  2. a Institute of Superalloys Science and Technology School of Materials Science and Engineering Zhejiang University Hangzhou People’s Republic of China
  3. b State Key Laboratory of Silicon and Advanced Semiconductor Materials School of Materials Science and Engineering Zhejiang University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2272809
  CLC：
- Online First：27 October 2023，
  
  Published：2023
- 稿件说明：
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Yuan Cheng, Xinbao Zhao, Quanzhao Yue, et al. The nucleation of δ phases triggered by the stacking faults in a single crystal superalloy[J]. Materials Research Letters, 2023, 11(11): 957-963.
DOI：

Yuan Cheng, Xinbao Zhao, Quanzhao Yue, et al. The nucleation of δ phases triggered by the stacking faults in a single crystal superalloy[J]. Materials Research Letters, 2023, 11(11): 957-963. DOI： 10.1080/21663831.2023.2272809.

摘要

Abstract

Here we investigated the nucleation of the Re

Ru-rich δ phase affected by stacking faults in the γ phase in a 4th generation Ni-based single crystal superalloy during the service at 800°C. The stacking faults in the γ phase were rich in Re and Ru

similar to the observed δ phase. And the stacking fault regions possessed a similar structure to the δ phase

promoting the transformation from γ phase to δ phase. Furthermore

the calculation results indicated that Ru had more significant promoting effects on the δ phase precipitation than Re

providing a reference for the alloy design.

关键词

Keywords

references

Allen JDT. Effect of chemistry and temperature on planar defects in superalloys [dissertation]. Birmingham: University of Birmingham; 2019. (Open in a new window)Google Scholar

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Related Institution

d Suzhou Laboratory

c National Key Laboratory of High-Efficiency Flexible Coal Power Generation and Carbon Capture Utilization and Storage China Huaneng Group Co. Ltd.

b Instrumental Analysis Center Xi'an Jiaotong University

a R&D Center Xi'an Sino-Euro Materials Technologies Co. Ltd.

b Yunnan Engineering Research Center of Metallic Powder Materials Kunming University of Science and Technology

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