Nanosurface Fabrication of Hard Brittle Materials by Structured Tool Imprinting

[+] Author and Article Information
Masahiko Yoshino, Sivanandam Aravindan

Department of Mechanical and Control Engineering, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguroku, Tokyo 152-8552, Japan

J. Manuf. Sci. Eng 126(4), 760-765 (Feb 04, 2005) (6 pages) doi:10.1115/1.1813474 History: Received April 01, 2004; Revised August 01, 2004; Online February 04, 2005
Copyright © 2004 by ASME
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Nano indentation tester
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Structured diamond tool
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Typical ultra fine structure made on soda glass
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SEM image of a structure on soda glass at high magnification (indentation load 4.0 N)
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Cross section of structures on soda glass imprinted by the stamp tool
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SEM micrographs of structures imprinted on several hard brittle materials
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Load-depth analysis of imprinted structures on the border region
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Relationship between critical depth and KICy ratio
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Load-depth analysis of imprinted structures on the central region
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Calculated normal stress distribution for a flat tool indentation
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Load/depth relationship in indentation and retraction process of a fine structure imprinting
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Variation of depth ratio against the yield stress ratio




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