| 超重力场辅助燃烧合成技术制备Fe3Al合金及其抗氧化性能研究 |
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| 引用本文： | 麦培林,贺淑莉.超重力场辅助燃烧合成技术制备Fe3Al合金及其抗氧化性能研究[J].首都师范大学学报(自然科学版),2011,32(3):1-4. |
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| 作者姓名： | 麦培林 贺淑莉 |
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| 作者单位： | 首都师范大学物理系,北京,100048 |
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| 摘 要： | 本课题利用超重力场辅助的两步燃烧合成技术成功制备了Fe3Al合金.首先利用Al/Fe2O3之间的铝热反应释放的高热量使得产物(Fe和Al2O3)转变成高温混合熔体,Fe熔体在1000 g超重力场的作用下迅速从高温混合熔体中分离,并和底部的纳米铝粉发生二次燃烧合成,生成致密的Fe3Al金属间化合物.Fe3Al样品中仅存在...
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| 关 键 词： | Fe3Al合金 燃烧合成 超重力场 抗氧化性能 |
Preparation of Fe_3Al Alloy by Combustion Synthesis Melt-casting under Ultra-high Gravity and its Oxidation Resistance |
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| Mai Peilin,He Shuli.Preparation of Fe_3Al Alloy by Combustion Synthesis Melt-casting under Ultra-high Gravity and its Oxidation Resistance[J].Journal of Capital Normal University(Natural Science Edition),2011,32(3):1-4. |
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| Authors: | Mai Peilin He Shuli |
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| Institution: | Mai PeilinHe Shuli(Department of Physics,Capital Normal University,Beijing 100048) |
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| Abstract: | Fe3Al alloy could be synthesized successfully by combustion synthesis melt-casting under ultra-high gravity.The combustion reaction instantaneously released a large of heat,and make the resultants(Fe and Al2O3) melt.The iron melt could rapidly separate from the mixed melt due to the huge difference in density,and further reacted with the nano aluminium powder to from Fe3Al intermetallic compound.Fe3Al melt could be rapid densification at the drive of ultra-high gravity.The porosity in the Fe3Al alloy ingot ... |
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| Keywords: | Fe3Al alloy combustion synthesis ultra-high gravity field oxidation resistance |
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