| Effect of crystallization on corrosion resistance of Cu52.5Ti30Zr11.5Ni6 bulk amorphous alloy |
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| 引用本文： | 檀朝桂 蒋文娟 吴学庆 王秀锋 林建国. Effect of crystallization on corrosion resistance of Cu52.5Ti30Zr11.5Ni6 bulk amorphous alloy[J]. 中国有色金属学会会刊, 2007, 17(4): 751-754. DOI: 10.1016/S1003-6326(07)60168-X |
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| 作者姓名： | 檀朝桂 蒋文娟 吴学庆 王秀锋 林建国 |
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| 作者单位： | Faculty of Material and Photoelectronic Physics, Xiangtan University, Xiangtan 411105, China |
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| 基金项目： | Project（50371072） supported by the National Natural Science Foundation of China; Project（05FJ4048） supported by the Provincial Science and Technology Department Foundation of Hunan, China |
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| 摘 要： | The effects of crystallization on the corrosion resistance of a Cu52.5Ti30Zr11.5Ni6 bulk amorphous alloy in 1 mol/L HCI, and 6 mol/L NaOH solutions were studied. The amorphous alloy was identified by differential thermal analysis（DSC） and by X-ray diffraction（XRD）. The partially and fully crystallized alloys were prepared by controlling the annealing temperatures at 738 and 873 K for 1 and 12 min, respectively, and the corrosion resistances of those annealed alloys were compared with that of the amorphous alloy by immersion test and potentiodynamic measurements in 1 mol/L HCl and 6 mol/L NaOH solutions. The results show that the partially crystallized alloy exhibits high corrosion resistance, whereas full crystallization results in deteriorated corrosion resistance compared with that of the as-cast amorphous alloy.
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| 关 键 词： | 铜钛锆镍合金 大体积无定形材料 结晶化 腐蚀行为 |
| 收稿时间： | 2006-09-20 |
| 修稿时间： | 2006-09-202007-05-25 |
Effect of crystallization on corrosion resistance of Cu52.5Ti30Zr11.5Ni6 bulk amorphous alloy |
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| TAN Chao-Gui,JIANG Wen-juan,WU Xue-qing,WANG Xiu-feng,LIN Jian-guo,. Effect of crystallization on corrosion resistance of Cu52.5Ti30Zr11.5Ni6 bulk amorphous alloy[J]. Transactions of Nonferrous Metals Society of China, 2007, 17(4): 751-754. DOI: 10.1016/S1003-6326(07)60168-X |
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| Authors: | TAN Chao-Gui JIANG Wen-juan WU Xue-qing WANG Xiu-feng LIN Jian-guo |
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| Affiliation: | Faculty of Material and Photoelectronic Physics, Xiangtan University, Xiangtan 411105, China |
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| Abstract: | The effects of crystallization on the corrosion resistance of a Cu52.5Ti30Zrl 1.5Ni6 bulk amorphous alloy in 1 mol/L HCl,and 6 mol/L NaOH solutions were studied. The amorphous alloy was identified by differential thermal analysis(DSC) and by X-ray diffraction(XRD). The partially and fully crystallized alloys were prepared by controlling the annealing temperatures at 738 and 873K for land 12 min, respectively, and the corrosion resistances of those annealed alloys were compared with that of the amorphous alloy by immersion test and potentiodynamic measurements in 1 mol/L HCl and 6 mol/L NaOH solutions. The results show that the partially crystallized alloy exhibits high corrosion resistance, whereas full crystallization results in deteriorated corrosion resistance compared with that of the as-cast amorphous alloy. |
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| Keywords: | amorphous materials crystallization corrosion behavior polarization |
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