Study on mechanical properties of a new type micro/nano metal material based on bacteria shape |
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Authors: | Xin Liang Jianhua Liu Songmei Li Mei Yu |
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Affiliation: | School of Materials Science and Engineering, BeiHang University, Beijing 100083, China. |
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Abstract: | The functional groups and mechanical properties of Nocadia, a kind of bacteria with submicrometer in diameter and 3-10 microm in length, before and after metallization are determined by fourier transform infrared spectroscopy (FT-IR) and nanoindentation technology. The group -COOH exists on surface of Nocadia and the function groups of Nocadia decreases due to metallization. The elastic modulus of metallized Nocadia, Nocadia and resin is 42.583 GPa, 9.501 GPa and 5.723 GPa, respectively, and the hardness is 1.940 GPa, 0.265 GPa and 0.301 GPa, respectively. There is a great improvement of 5 times in elastic modulus and 9 times in hardness compared with bare Nocadia. |
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