期刊
JOURNAL OF MATERIALS RESEARCH
卷 34, 期 9, 页码 1479-1488出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/jmr.2019.22
关键词
fatigue; layered; composite
资金
- National Natural Science Foundation of China (NSFC) [51571199, 51601198]
- Young Merit Scholars of Institute of Metal Research, Chinese Academy of Sciences
Fatigue performance of metallic nanolayered composites (NLCs) has been gaining more and more attention due to the rapid development in the field of both micro-electro-mechanical systems and high-performance engineering structure materials and the increasing demand for long-term fatigue reliability. Metallic NLCs have exhibited different damage behaviors due to the effect of high-density heterogeneous interface compared with bulk materials and thin metal films. In this review paper, the cyclic deformation damage behavior, fatigue cracking feature, and fatigue properties of some metallic NLCs are reviewed. Effects of length scales, including layer thickness and grain size, on fatigue damage behaviors of the NLCs are revealed, and the transition of the fatigue cracking behavior and the corresponding damage mechanism are discussed. Then, the fatigue properties of some typical metallic NLCs are presented and compared with that of bulk materials and metal thin films. The effect of interface type and grain boundary alignment is also discussed to correlate with fatigue cracking resistance of the NLCs. Finally, some prospective research topics on fatigue performance of metallic NLCs are addressed.
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