| 锆合金中第二相的研究 |
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| 引用本文： | 刘文庆,钟柳明,彭剑超,刘仁多,姚美意,周邦新.锆合金中第二相的研究[J].稀有金属材料与工程,2011,40(7):1216-1219. |
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| 作者姓名： | 刘文庆 钟柳明 彭剑超 刘仁多 姚美意 周邦新 |
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| 作者单位： | 上海大学分微结构研究重点实验室,上海,200444 |
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| 基金项目： | 国家自然科学基金资助项目(50571056，50971084)；上海市重点学科建设项目(S30107) |
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| 摘 要： | 将几种Nb、Fe含量不同的锆合金样品在1050℃保温0.5h后水冷,在560℃回火10h,用带能谱分析(EDS)的透射电子显微镜研究它们的第二相粒子.结果显示:随着合金样品中Nb元素含量的提高及Nb/Fe比的增加,第二相从Zircaly-4合金中密排六方结构的Zr(Fe,Cr)2向密排六方的Zr(Nb,Fe,Cr)2转...
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| 关 键 词： | 锆合金 合金元素 显微组织 第二相粒子 |
| 收稿时间： | 7/9/2010 12:00:00 AM |
Study of Second Phase Particles in Zirconium Alloys |
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| Liu Wenqing,Zhong Liuming,Peng Jianchao,Liu Renduo,Yao Meiyi and Zhou Bangxin.Study of Second Phase Particles in Zirconium Alloys[J].Rare Metal Materials and Engineering,2011,40(7):1216-1219. |
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| Authors: | Liu Wenqing Zhong Liuming Peng Jianchao Liu Renduo Yao Meiyi and Zhou Bangxin |
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| Affiliation: | Key Laboratory of Advanced Microanalysis, Shanghai University, Shanghai 200444, China |
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| Abstract: | Zirconium-based alloys with different Nb and Fe addition ratios were treated by β-quenching at 1050 ℃ for 0.5 h and the followed annealing at 560 ℃ for 10 h;then their microstructure and second phase particles(SPPs) were examined by high-resolution transmission electron microscopy(HR-TEM) equipped with an energy dispersive X-ray spectroscopy(EDS).Results show that with the increasing of Nb addition and the Nb/Fe ratios,SPPs Zr(Fe,Cr)2 with a hexagonal close packed(HCP) structure in Zircaly-4 transform to SPPs Zr(Nb,Fe,Cr)2 with a hexagonal close packed structure;meanwhile the Nb/Fe ratio of Zr(Nb,Fe,Cr)2 is increased too.SPPs βNb with a body center cubic structure could be observed besides HCP-Zr(Nb,Fe,Cr)2 precipitates when Nb contents and Nb/Fe ratios are high enough. |
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| Keywords: | zirconium alloys alloy elements microstructure second phase particles |
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