Serration and Noise Behavior in Advanced Materials

Dear Colleagues,

“Noise” is everywhere in our daily life, such as the crackling noise arising from paper crumpling and fault movement during earthquakes. In materials science, the phenomenon of noise is also ubiquitous, particularly, in the study of the deformation behavior of materials, which usually manifests as serrated plastic flows. Over the past few years, this interesting and universal phenomenon has attracted tremendous research interest, which can be observed among a wide range of advanced materials, from granular matters, single-crystalline metals, AlMg alloys, low carbon and TWIP steels, shape memory alloys, high entropy alloys to metallic glasses. To provide a physical understanding of universal noise behavior, different elastic coupling models have been proposed, with a variety of scaling relations being predicted. However, the source of noise when these advanced materials are deformed is still being debated. To materials scientists, understanding the structural origin of the noise may help avoid catastrophic failure and therefore inform the design of plasticity in these advanced materials. In this Special Issue, we intend to provide comprehensive studies related to the serration and noise behavior of various advanced materials. Topics include theoretical modeling, experimental characterization, and numerical simulations.

Prof. Dr. Peter K. Liaw
Prof. Dr. Yong Zhang
Dr. Yong Yang
Guest Editors

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