| Mo-15Cu复合材料的制备 |
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| 引用本文： | 林俊峰,曹顺华,韩超,王博. Mo-15Cu复合材料的制备[J]. 粉末冶金材料科学与工程, 2011, 16(3): 413-417 |
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| 作者姓名： | 林俊峰 曹顺华 韩超 王博 |
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| 作者单位： | 中南大学粉末冶金国家重点实验室; |
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| 基金项目： | 国家自然科学基金创新团队项目(507210003) |
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| 摘 要： | 以MoO<,3>为原料配置悬浮料浆,采用喷雾干燥-氢气还原工艺制备钼粉,并以Mo预烧坯为骨架,采用熔渗法制备Mo-15Cu复合材料.借助X射线衍射和扫描电镜分别分析Mo粉物相组成和颗粒形貌;通过分析粉末的压缩特性,确定预烧骨架密度变化、径向收缩率以及熔渗样理论密度变化;借助金相显微镜观察熔渗样金相组织,借助热导仪和热膨...
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| 关 键 词： | 喷雾干燥-氢气还原法 钼粉压制性 骨架密度 Mo-15Cu 复合材料 |
Fabrication of Mo-15Cu composite materials |
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| LIN Jun-feng,CAO Shun-hua,HAN Chao,WANG Bo. Fabrication of Mo-15Cu composite materials[J]. materials science and engineering of powder metallurgy, 2011, 16(3): 413-417 |
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| Authors: | LIN Jun-feng CAO Shun-hua HAN Chao WANG Bo |
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| Affiliation: | LIN Jun-feng,CAO Shun-hua,HAN Chao,WANG Bo (State Key Laboratory of Powder Metallurgy,Central South University,Changsha 410083,China) |
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| Abstract: | Molybdenum powders were fabricated by MoO3 via spraying drying-hydrogen reduction method,and Mo-15Cu composite was prepared by infiltration method using Mo pre-sintered compact as skeleton,and then Mo-15Cu composite's phase composition and particle morphology were examinated via X-ray diffraction(XRD) and scanning electron microscopy(SEM) respectively.Besides,Mo-15Cu alloys properties were studied through observing metallographic microstructure of infiltration sample,measuring the compactibility of molybden... |
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| Keywords: | spray drying-hydrogen reduction method compactibility of Mo powders Mo-15Cu composite |
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