Understanding the creep property of heat-resistant Al alloy by analyzing eutectic phase/matrix interface structures

Zeyu Bian; Chen Yang; Hongyi Zhu; Dechao Zhao; Mingliang Wang; Huawei Zhang; Zhe Chen; Haowei Wang

doi:10.1080/21663831.2022.2136016

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Understanding the creep property of heat-resistant Al alloy by analyzing eutectic phase/matrix interface structures

Original Reports | 更新时间：2026-08-19

- Understanding the creep property of heat-resistant Al alloy by analyzing eutectic phase/matrix interface structures
- Materials Research Letters Vol. 11, Issue 3, Pages: 205-212(2023)
- 作者机构：
  
  1. b Innovation Academy for Microsatellites Chinese Academy of Sciences
  2. a State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University
  3. c School of Physics and Electronic Information College Huaibei Normal University
  4. a State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University Shanghai People’s Republic of China
  5. c School of Physics and Electronic Information College Huaibei Normal University Huaibei People’s Republic of China
  6. d Anhui Aluminium Matrix Composites Engineering Research Centre
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2022.2136016
  CLC：
- Online First：26 October 2022，
  
  Published：2023
- 稿件说明：
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Zeyu Bian, Chen Yang, Hongyi Zhu, et al. Understanding the creep property of heat-resistant Al alloy by analyzing eutectic phase/matrix interface structures[J]. Materials Research Letters, 2023, 11(3): 205-212.
DOI：

Zeyu Bian, Chen Yang, Hongyi Zhu, et al. Understanding the creep property of heat-resistant Al alloy by analyzing eutectic phase/matrix interface structures[J]. Materials Research Letters, 2023, 11(3): 205-212. DOI： 10.1080/21663831.2022.2136016.

摘要

Abstract

Interface characteristics are of great importance in mechanical performance for multi-phases heat-resistant Al alloys. Herein

Sc precipitates were created at both Al/Al

FeNi interface and Al matrix inside Al–Fe-Ni eutectic alloy by microalloyed Sc. Critically

Sc interface precipitates were found to alleviate local lattice distortion at the Al/Al

FeNi interface to improve interface stability. Therefore

this alloy showed superior creep properties over available reports. The underlying mechanisms were quantitatively elucidated by elevated load transfer effect from interface precipitates and enhanced threshold stress from matrix precipitates. Generally

this work provided a solid understanding to optimize the creep property of eutectic Al alloys by manipulating interface structures.

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Related Institution

d School of Rehabilitation Medicine Jining Medical University

a State Key Laboratory of High Performance Roll Materials and Composite Forming School of Materials Science and Engineering Tianjin University Tianjin People’s Republic of China

c Shanghai Key Laboratory of Advanced High-Temperature Materials and Precision Forming School of Materials Science and Engineering Shanghai Jiao Tong University

b Suzhou Laboratory Suzhou People’s Republic of China

b Suzhou Laboratory

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