兩端固定的氮化鎵奈米管在單軸壓縮負載下的機械行為

in Domestic Conference (poster paper), 國內研討會(全文海報發表)
標題兩端固定的氮化鎵奈米管在單軸壓縮負載下的機械行為
出版類型國內研討會(全文海報發表)
出版年度2012
AuthorsYi-Cheng Hsu, 許益誠
會議名稱中國機械工程學會101年度年會暨第29屆全國學術研討會
出版日期Dec 7 2012 12:0
會議地點高雄
其他編號0000
中文摘要

We report experimental observations of shell buckling instabilities in free-standing, vertically aligned GaN nanotubes subjected to uniaxial compression. Highly uniform arrays of the GaN nanotubes standing on a GaN template were fabricated and subjected to uniaxial compression using a nanoindenter. The buckling load was found to be of the order of 150 μN for the GaN nanotubes with an outer radius of 40 nm, an inner radius of 20 nm, and heights of 300 nm. Good agreement was found between the experimental observations, the stress–strain relation equation study findings and the predictions from the cylindrical shell buckling theory.

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