Gradient Nanocrystalline Surfaces Produced by Mechanical Surface Engineering, Machining and Wear

Dear Colleagues,

The scope of this Special Issue aims to address the recent research of nano-structured surfaces generated either in mechanical surface strengthening, such as shot peening, rolling, or other types; in machining; or in a wear process. These processes are known to result in various severities of plastic deformation, work hardening, and residual stresses. Recent research is more focused on the nano-/atomic-scale characterization of such near-surface structures in order to either further enhance the mechanical properties, or to address the fundamentals of microstructure evolution. We welcome research papers, case studies, and topic reviews on various types of mechanically induced nano-scale surface structures, regarding the structural characterization, mechanical properties, and tribological performance, as well as the related failure investigation. There is special interest in the characterization of such surfaces by means of electron microscopy, nano-/micro-indentation, and X-ray diffraction analyses. We also welcome contributions on advances in analytical and testing techniques.

Topics of interest include, but are not limited to, the following:

• Mechanically-strengthened surfaces of structural metallic alloys;
• Electron microscopy (TEM or SEM) of ingredient nano-structures produced in surface strengthening, in machining, and in wear;
• Surface and cross-sectional nano-/micro-indentation of ingradient nano-structures produced in surface strengthening, in machining, and in wear;
• Fatigue properties, wear resistance, and other related mechanical properties of materials having mechanically strengthened surfaces;
• Machining-induced severe surface deformation and its impact on mechnaical properties;
• Residual stress measurement of mechanically engineering surfaces;
• Experimental and modelling studies on the structural evolution mechnaisms of nano-structured surfaces;
• Industrial performance of nano-structured surfaces and the related failure mechanisms.

Dr. Quanshun Luo
Prof. Dr. Sanming Du
Guest Editors

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