448 金属細線の弾塑性特性決定のための新規評価手法(T08-2 金属ナノ材料の創製と展開(2) 金属ナノ材料の評価と応用,大会テーマセッション,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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In this study a new testing methodology with a setup to determine the mechanical properties nanowires based on bending under lateral load is reported. In the setup a force sensor, a piezo stage and two nano-manipulators have been accommodated on a single platform. A small-span bending load using two opposite probes is applied far from the root of the wire to ensure the failure in the wire across the loading point, and the load-displacement data are recorded. For evaluating the properties from the measured load-displacement relationship, finite element (FE) analysis of the bending problem under the same loading configuration has been performed. The elastic-plastic properties of 800 nm platinum (Pt) sample, especially, Young's modulus, yield strength and hardening modulus are successfully determined by fitting the load-displacement relationship obtained in FE analysis to the experimental one.
一般社団法人日本機械学会の論文
2008-08-02