Journal
MRS BULLETIN
Volume 47, Issue 12, Pages 1229-1236Publisher
SPRINGER HEIDELBERG
DOI: 10.1557/s43577-022-00469-1
Keywords
Surface roughness; Topography; Plasticity; Fracture; Manufacturing; Wear; Earthquakes
Funding
- Innovation Fund Denmark (Cutting Edge) [8090-00010B]
- United States NSF [DMR 2104745, CMMI 2100568, EAR-1624657]
- Swiss National Science Foundation [200021-197152]
- Swiss National Science Foundation (SNF) [200021_197152] Funding Source: Swiss National Science Foundation (SNF)
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This article reviews recent advances in understanding the origins of roughness on natural and engineered surfaces and their connection with subsurface deformation mechanisms. Directions for future research are discussed.
Roughness, defined as unevenness of material surfaces, plays an important role in determining how engineering components or natural objects interact with other bodies and their environment. The emergence of fractal roughness on natural and engineered surfaces across a range of length scales suggests the existence of common processes and mechanisms for nucleation and evolution of roughness. In this article, we review recent advances in understanding the origins of roughness and topography evolution on natural and engineered surfaces and their connection with subsurface deformation mechanisms. Directions for future research toward understanding the origins of roughness on solid surfaces are discussed.
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