Crystallization behaviour and thermal stability of two aluminium-based metallic glass powder materials
文献类型：期刊论文
| 作者 | X. P. Li ; M. Yan ; B. J. Yang ; J. Q. Wang ; G. B. Schaffer ; M. Qian |
| 刊名 | Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
 |
| 出版日期 | 2011 |
| 卷号 | 530页码:432-439 |
| 关键词 | Aluminium alloys Metallic glass Crystallization Powder forming ability activation-energy amorphous-alloys kinetics la nanocrystallization microstructure consolidation plasticity property |
| ISSN号 | 0921-5093 |
| 中文摘要 | The crystallization behaviour and thermal stability of two Al-based metallic glass powder materials, Al(85)Ni(5)Y(6)Co(2)Fe(2) and Al(86)Ni(6)Y(4.5)CO(2)La(1.5), have been investigated using differential scanning calorimetry (DSC), X-ray diffraction (XRD) and electron microscopy. Both alloy powders show a distinct three-stage crystallization process with a similar gap of similar to 75 K between the onset crystallization temperature (T(x)) and the second crystallization temperature. Crystallization occurs by the precipitation and growth of fcc-Al, without intermetallic formation. The apparent activation energy for each stage of crystallization was determined from DSC analyses and the phases resulting from each crystallization stage were identified by XRD and electron microscopy. The critical cooling rate for each alloy powder was calculated from the DSC data. These results are necessary to inform the consolidation of amorphous powder particles of Al(85)Ni(5)Y(6)Co(2)Fe(2) or Al(86)Ni(6)Y(4.5)CO(2)La(1.5) into thick (>1 mm) metallic glass components. (C) 2011 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/30490]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | X. P. Li,M. Yan,B. J. Yang,et al. Crystallization behaviour and thermal stability of two aluminium-based metallic glass powder materials[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2011,530:432-439. |
| APA | X. P. Li,M. Yan,B. J. Yang,J. Q. Wang,G. B. Schaffer,&M. Qian.(2011).Crystallization behaviour and thermal stability of two aluminium-based metallic glass powder materials.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,530,432-439. |
| MLA | X. P. Li,et al."Crystallization behaviour and thermal stability of two aluminium-based metallic glass powder materials".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 530(2011):432-439. |
入库方式： OAI收割
来源：金属研究所
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