Editorial: Special Issue on Very High Cycle Fatigue

Abstract

Abstract As the co-guest editors of the special issue of ASTM International’s journal Materials Performance and Characterization on very high cycle fatigue (VHCF), we are delighted to have this issue published by ASTM. Fatigue phenomena have long been a topic of significant interest and of research focusing on understanding the behavior of materials and structures under cyclic loading. However, the exploration of fatigue properties beyond traditional high cycle fatigue has gained substantial momentum in recent years. The VHCF regime, characterized by fatigue life exceeding 107 cycles, presents unique challenges and opportunities for advancing our understanding of fatigue mechanisms and developing robust design methodologies. This special issue brings together a collection of outstanding research articles that delve into various aspects of VHCF and contains 15 peer-reviewed articles (research and review) from researchers all around the globe (Asia, South and North America, and Europe). The published contributions encompass a broad range of materials, including metals and alloys, and employ diverse experimental, analytical, and computational techniques to investigate the behavior of structures subjected to VHCF loading. The research presented here not only enhances our fundamental knowledge of fatigue mechanisms but also provides practical insights for industrial applications such as aerospace, automotive, and additive manufacturing. We would like to sincerely thank all the authors who contributed to this special issue for their high-quality submissions, which greatly contribute to the advancement of this less-explored field. We also extend our acknowledgment to the Editor in Chief of the journal, Dr. Richard W. Neu (Georgia Institute of Technology), and the ASTM Publishing Manager, Ms. Alyssa Conaway. Without their invaluable help and support, it would have been impossible to publish this special issue. We hope this special issue enhances our knowledge and understanding in the field of fatigue, particularly VHCF, and serves as a reliable reference for students, researchers, and engineers working in this field. Co-guest editors Summer 2023