Research Progress on Mechanical Behavior and Strengthening-Toughening Mechanisms of Nanostructured Metallic Materials
Abstract
and their distinctive benefits in improving mechanical performance.The mechanical behavior characteristics section delves into the hardness, strength, ductility, and toughness of these materials, discussing the influences of size effects and interface effects on their properties.
The strengthening-toughening mechanisms section details various strategies, including grain boundary strengthening, twin-induced plasticity, and nanolaminated structure design, and elucidates the principles underlying their roles in enhancing the overall material performance.The experimental and theoretical modeling section reviews the current experimental techniques, such as in-situ mechanical testing
and high-resolution transmission electron microscopy observation, and theoretical models, such as molecular dynamics simulations and
finite element analysis, employed in the study of nanostructured metallic materials.Finally, the review identifies key challenges in the field,
including thermal stability, processing difficulties, and cost-effectiveness, and proposes potential research directions and technological
breakthroughs. By synthesizing the latest advancements and ongoing research, this review aims to provide insights into the mechanical behavior and strengthening-toughening mechanisms of nanostructured metallic materials, guiding future research endeavors and technological innovations.
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DOI: http://dx.doi.org/10.70711/itr.v2i2.5651
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