| 铜模振动铸造法制备镁基大块金属玻璃研究 |
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| 引用本文： | 刘伟,吴树森,邓蕾,毛有武,安萍. 铜模振动铸造法制备镁基大块金属玻璃研究[J]. 铸造技术, 2005, 26(10): 910-913 |
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| 作者姓名： | 刘伟 吴树森 邓蕾 毛有武 安萍 |
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| 作者单位： | 华中科技大学材料学院及模具技术国家重点实验室,湖北,武汉,430074 |
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| 摘 要： | 采用电阻炉熔炼,在氩气保护下熔体铜模振动铸造制备出直径为3 mm到8 mm的Mg65Cu25 Y10合金棒试样,利用显微镜对试样进行了金相观察,利用示差扫描量热计分析了合金的玻璃转变、晶化行为.发现利用工业纯原料制备的直径为3 mm的试样中具有非晶组织,而直径为4 mm及以上的试样则有较明显的枝晶组织.
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| 关 键 词： | 镁基合金 非晶合金 电磁振动 制备 |
| 文章编号： | 1000-8365(2005)10-0910-04 |
| 收稿时间： | 2005-03-09 |
| 修稿时间： | 2005-07-13 |
Preparation of Bulk Mg-based Amorphous with Shaking Copper Mold Casting Method |
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| LIU Wei,WU Shu-sen,DENG Lei,MAO You-wu,AN Ping. Preparation of Bulk Mg-based Amorphous with Shaking Copper Mold Casting Method[J]. Foundry Technology, 2005, 26(10): 910-913 |
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| Authors: | LIU Wei WU Shu-sen DENG Lei MAO You-wu AN Ping |
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| Abstract: | Mg_(65)Cu_(25)Y_(10) stick samples with diameter from 3 mm to 8 mm were prepared by electric resistant furnace with shaking copper mold casting method in an argon atmosphere.Microscope and differential scanning calorimetry(DSC) were applied to analyze these samples.The results showed that it is amorphous structure in the samples with diameter 3 mm made with commercial raw material.However,dendrite crystal structure becomes obvious in samples with diameter over 4 mm. |
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| Keywords: | Mg-based alloy Amorphous alloy Electro-magnetic vibrating Preparation |
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