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Published on: March 7, 2018
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Fatigue database of complex metallic alloys.
Zian Zhang1, Haoxuan Tang1, Zhiping Xu2
1Applied Mechanics Laboratory and Department of Engineering Mechanics, Tsinghua University, Beijing, 100084, China.
Scientific Data
|July 12, 2023
Summary
A new fatigue database (FatigueData-CMA2022) compiles data on metallic glasses and multi-principal element alloys. This resource aids in understanding complex metallic alloy fatigue behavior for engineering applications.
Area of Science:
- Materials Science and Engineering
- Mechanical Engineering
- Metallurgy
Background:
- Complex metallic alloys, including metallic glasses and multi-principal element alloys, are crucial for addressing material challenges like the strength-toughness conflict.
- These advanced materials offer potential solutions for applications requiring high performance in harsh environments and long-term service.
- A comprehensive understanding of their fatigue behavior is essential for reliable engineering applications.
Purpose of the Study:
- To compile and analyze a comprehensive fatigue database for metallic glasses and multi-principal element alloys.
- To establish a reusable and expandable resource for researchers and engineers studying complex metallic alloys.
- To identify statistical patterns and trends in the fatigue performance of these advanced materials.
Main Methods:
- Literature data compilation up to the end of 2022 to create the FatigueData-CMA2022 database.
- Integration of automatic data extraction with manual examination for enhanced data quality and efficiency.
- Inclusion of S-N, ε-N, and da/dN-ΔK fatigue data, alongside material, processing, testing, and mechanical property information.
Main Results:
- The FatigueData-CMA2022 database contains 272 fatigue datasets covering stress-life, strain-life, and fatigue crack growth rate relationships.
- The database includes detailed information on material composition, processing parameters, testing conditions, and mechanical properties.
- Openly accessible database and scripts are provided, designed for continuous expansion and updates.
Conclusions:
- The FatigueData-CMA2022 database represents a significant advancement in consolidating fatigue data for complex metallic alloys.
- The open-access nature and structured format facilitate ongoing research and development in metallic glasses and multi-principal element alloys.
- This resource will aid in overcoming engineering challenges and promoting the wider application of these advanced materials.
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