Nano-and Micro-Mechanical Properties of Ultrafine-Grained Materials Processed by Severe Plastic Deformation Techniques
作者： Megumi Kawasaki , Byungmin Ahn , Praveen Kumar , Jae-il Jang , Terence G. Langdon
关键词: Ductility 、 Metallurgy 、 Severe plastic deformation 、 Nano- 、 Materials science 、 Nanoindentation 、 Strain rate
摘要: The processing of bulk metals through the application severe plastic deformation (SPD) provides potential for achieving exceptional grain refinement leading to ultrafine-grained (UFG) materials. These materials generally exhibit high strength but very limited ductility at room temperature. recent development in nanoindentation technique significant feasibility evaluating micro-mechanical behavior UFG Accordingly, this review examines available experimental results showing enhancement and analysis various after different SPD techniques. A comprehensive tabulation is also presented listing data strain rate sensitivity, m, a variety processed by SPD.
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