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Fatigue in metals and alloys.
1Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, People's Republic of China.
Nature Materials
|August 4, 2025
Summary
Improving metal fatigue resistance is crucial for engineering reliability. This perspective explores new materials, testing, and modeling to overcome fatigue challenges in critical structures.
Area of Science:
- Materials Science
- Mechanical Engineering
- Engineering
Background:
- Metal fatigue failure is a significant concern in engineering, impacting the reliability and economics of load-bearing structures.
- Extreme applications like deep-space exploration highlight the challenges posed by the complex and unpredictable nature of fatigue-induced failures.
Purpose of the Study:
- To provide a concise overview of emerging frontiers in enhancing metal fatigue resistance.
- To explore recent advancements in understanding metal fatigue.
- To discuss current opportunities and challenges in the field.
Main Methods:
- Review of emerging frontiers in fatigue resistance.
- Analysis of advancements in understanding metal fatigue.
- Exploration of opportunities and challenges in materials development, testing, characterization, theory, and modeling.
Main Results:
- Identification of promising fatigue-resistant materials through tailored composition and microstructure.
- Advancements in testing methods, characterization techniques, theoretical frameworks, and modeling methodologies.
Conclusions:
- Continued research and innovation in materials design, testing, and modeling are essential for improving metal fatigue resistance.
- Addressing the complex nature of metal fatigue is critical for enhancing the reliability of engineering structures in diverse applications.
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