Recent developments in low-expansion alloys for high-performance applications

IF 11 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Rare Metals Pub Date : 2025-08-01 DOI:10.1007/s12598-025-03490-w

Zelin Zhang, Chunlei Shang, Hong-Hui Wu, Chaolei Zhang, Faguo Hou, Haoliang Wang, Shuize Wang, Junheng Gao, Haitao Zhao, Xinping Mao

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Abstract

The growing demand for low-expansion alloys in high-tech industries such as aerospace, electronics, communications, and healthcare underscores the necessity of enhancing their performance under extreme operating conditions. This review explores the influence of alloy composition and processing techniques on the key properties of low-expansion alloys, including strength, operating temperature range, magnetic properties, corrosion resistance, and thermal conductivity. The role of microalloying and the optimization of processing parameters in improving these properties are discussed, with an emphasis on the underlying mechanisms and the intricate relationships between composition, processing, and properties. Future breakthroughs in studying low-expansion alloys are anticipated through the use of multi-functional databases, high-throughput experiments or calculations, and machine learning for multi-objective optimization. This work provides insightful perspectives and practical guidance for advancing low-expansion alloys in both academic research and industrial applications.

Graphical abstract

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高性能低膨胀合金的最新进展

航空航天、电子、通信和医疗保健等高科技行业对低膨胀合金的需求不断增长，这凸显了提高其在极端操作条件下性能的必要性。本文综述了合金成分和加工工艺对低膨胀合金主要性能的影响，包括强度、工作温度范围、磁性能、耐腐蚀性和导热性。讨论了微合金化和工艺参数优化在提高这些性能中的作用，重点讨论了潜在的机制以及成分、工艺和性能之间的复杂关系。通过使用多功能数据库、高通量实验或计算以及用于多目标优化的机器学习，预计低膨胀合金研究的未来突破。这项工作为推进低膨胀合金的学术研究和工业应用提供了深刻的见解和实践指导。图形抽象

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来源期刊

Rare Metals 工程技术-材料科学：综合

CiteScore

12.10

自引率

12.50%

发文量

2919

审稿时长

2.7 months

期刊介绍： Rare Metals is a monthly peer-reviewed journal published by the Nonferrous Metals Society of China. It serves as a platform for engineers and scientists to communicate and disseminate original research articles in the field of rare metals. The journal focuses on a wide range of topics including metallurgy, processing, and determination of rare metals. Additionally, it showcases the application of rare metals in advanced materials such as superconductors, semiconductors, composites, and ceramics.