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| Anomalous Thermal Stability of Nd-Fe-Co-Al Bulk Metallic Glass | |
Wei BC(魏炳忱) ; Loser W,; Xia L(夏雷); Roth S; Pan M; Wang WH(汪卫华); Eckert J; Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Beijing 100080, Peoples R China.
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| Source Publication | Acta Materialia
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| 2002 | |
| Volume | 50Issue:17Pages:4357-4367 |
| ISSN | 1359-6454 |
| Abstract | The thermal stability of Nd60Fe20Co10Al10 bulk metallic glass (BMG) has been studied by differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMTA), isochronal dilatation and compression tests. The results show that the glass transition of the BMG takes place quite gradually between about 460 and 650 K at a heating rate of 0.17 K/s. Several transformation processes are observed during continuous heating with the first crystallization process beginning at about 460 K, while massive crystallization takes place near the solidus temperature of the alloy. The positive heat of mixing between the two major constituents, Nd and Fe, and, consequently, a highly inhomogeneous composition of the attained amorphous phase are responsible for the anomalous thermal stability in this system. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved. |
| Subject Area | 力学 |
| DOI | 10.1016/S1359-6454(02)00272-0 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000178609500012 |
| WOS Keyword | SUPERCOOLED LIQUID REGION ; AMORPHOUS-ALLOYS ; MAGNETIC-PROPERTIES ; FORMING ABILITY ; MECHANICAL-PROPERTIES ; INTERNAL-FRICTION ; PHASE-SEPARATION ; VISCOUS-FLOW ; TRANSITION ; CRYSTALLIZATION |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/15867 |
| Collection | 力学所知识产出(1956-2008) |
| Corresponding Author | Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Beijing 100080, Peoples R China. |
| Recommended Citation GB/T 7714 | Wei BC,Loser W,,Xia L,et al. Anomalous Thermal Stability of Nd-Fe-Co-Al Bulk Metallic Glass[J]. Acta Materialia,2002,50,17,:4357-4367. |
| APA | 魏炳忱.,Loser W,.,夏雷.,Roth S.,Pan M.,...&Wei, BC .(2002).Anomalous Thermal Stability of Nd-Fe-Co-Al Bulk Metallic Glass.Acta Materialia,50(17),4357-4367. |
| MLA | 魏炳忱,et al."Anomalous Thermal Stability of Nd-Fe-Co-Al Bulk Metallic Glass".Acta Materialia 50.17(2002):4357-4367. |
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