Advances in Fatigue Crack Growth of Metals and Their Alloys
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".
Deadline for manuscript submissions: closed (20 October 2023) | Viewed by 208
Special Issue Editor
Interests: fatigue; creep; thermomechanical fatigue; constitutive modeling; life prediction
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Fatigue crack growth is an important area of research, the results of which have been applied in damage tolerance design to ensure the structural integrity of operating engineering platforms. Since Paris observed and proposed a fatigue crack growth rate law based on the linear elastic fracture mechanics concept in 1960, significant advances have been achieved in this field. Notably, non-destructive inspection and high-resolution imaging techniques have been advanced to allow for the early and reliable detection of cracks, enabling researchers to study crack growth and behavior in more detail. Computational modeling has gone into great detail to perform more complex simulations of fatigue crack growth using finite element analysis (FEA) and other computational methods. Materials development under the concept of damage tolerance design has led to new materials that are more resistant to fatigue cracking. In recent years, machine learning (ML) and artificial intelligence (AI) have also been utilized to analyze large amounts of experimental and service data, with the hope of identifying patterns and relationships of fatigue crack growth under real (complex) service conditions.
Despite these recent advances, there are still some important issues that need to be addressed:
- A multiscale modeling framework to bridge the gap between crack initiation, and short and long crack growth;
- Environmental effects on the initiation and propagation of fatigue cracks and modelling;
- Fatigue crack closure under real service conditions;
- More robust and reliable ML and AI methods for the study of fatigue crack growth;
- The standardization of testing methods to address the above issues.
This Special Issue welcomes researchers to disseminate their research results on the above issues in an open access environment. This will facilitate information exchange and hopefully deepen our understanding of real fatigue crack growth processes for holistic damage-tolerant structural integrity.
Dr. Xijia Wu
Guest Editor
Manuscript Submission Information
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Keywords
- fatigue crack growth rate
- damage tolerance
- holistic structural integrity
- non-destructive evaluation
- microstructural effects
- environmental effects
- residual strength
