Tunning the tensile deformation behavior and mechanism of nickel-based superalloy CM247LC by adjusting ageing treatment

Zhenhuan Gao; Peng Zhang; Jiao Li; Xiufang Gong; Yong Yuan; Xiaolong Song

doi:10.1080/21663831.2023.2276340

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Tunning the tensile deformation behavior and mechanism of nickel-based superalloy CM247LC by adjusting ageing treatment

Original Reports | 更新时间：2026-08-19

- Tunning the tensile deformation behavior and mechanism of nickel-based superalloy CM247LC by adjusting ageing treatment
- Materials Research Letters Vol. 11, Issue 12, Pages: 1013-1021(2023)
- 作者机构：
  
  1. a State Key Laboratory of Clean and Efficient Turbomachinery Power Equipment
  2. b National Engineering Research Center of Integration and Maintenance of Clean and Low-carbon Thermal Power Generation System Xi’an Thermal Power Research Institute Co. Ltd.
  3. c Instrumental Analysis Center Xi’an Jiaotong University
  4. d State Key Laboratory for Mechanical Behavior of Materials Xi’an Jiaotong University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2276340
  CLC：
- Online First：03 November 2023，
  
  Published：2023
- 稿件说明：
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Zhenhuan Gao, Peng Zhang, Jiao Li, et al. Tunning the tensile deformation behavior and mechanism of nickel-based superalloy CM247LC by adjusting ageing treatment[J]. Materials Research Letters, 2023, 11(12): 1013-1021.
DOI：

Zhenhuan Gao, Peng Zhang, Jiao Li, et al. Tunning the tensile deformation behavior and mechanism of nickel-based superalloy CM247LC by adjusting ageing treatment[J]. Materials Research Letters, 2023, 11(12): 1013-1021. DOI： 10.1080/21663831.2023.2276340.

摘要

Abstract

We investigate the tensile deformation behavior and mechanism of nickel-based superalloy CM247LC

which has been subjected to various ageing treatment schemes

but possesses almost the same γ′ particle size

at 600°C. It is found that the transition in the deformation mode from particle shearing plus microtwinning to particle shearing accounts for the decrease in the work-hardening rate and tensile strength with ageing temperature. Our study provides a new strategy to design the heat treatment schedule to achieve a good compromise between the strength and plasticity for superalloys by tunning the operative deformation and fracture mechanisms.

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Related Author

Bin Gan

Jiaming Bai

Jiao Li

Peng Zhang

Y. Yuan

Zonghong Qu

Yunjin Lai

Shaoqiang Li

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.

a School of Materials Science and Engineering Central South University

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