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Título: | On the Influence of Precipitation on the Dynamic Strain Aging in Mg-2%Nd |
Autor: | Garcés, Gerardo CSIC ORCID; Pérez Zubiaur, Pablo CSIC ORCID; Medina, Judit CSIC ORCID; Barea, Rafael; Gómez, Adrián; García, Javier; Adeva, Paloma CSIC ORCID CVN | Palabras clave: | Mg-2%Nd alloy Precipitation Neodymium atoms in solid solution |
Fecha de publicación: | 2023 | Editor: | Springer | Citación: | JOM 75 (7): 2385-2396 (2023) | Resumen: | The Mg-2%Nd alloy, thermally treated at 520°C and quenched, exhibits plastic instabilities at intermediate temperatures between 100°C and 300°C when it is compressively tested because of the dynamic strain aging phenomenon caused by the presence of neodymium atoms in solid solution. During compression tests, there is a competition between the precipitation of Mg-Nd particles and the DSA phenomenon, which depends largely on the test temperature. Thus, below 200°C, the formation of neodymium-rich precipitates is slow, and the interaction is insignificant. Under these conditions, the alloy exhibits a normal behavior of the DSA, i.e., the critical strain decreases with the increase in the test temperature. However, for test temperatures > 200°C, the formation of neodymium-rich precipitates is faster and the evolution of the critical strain with temperature is inverted because of the decrease of neodymium in solid solution. | Versión del editor: | https://doi.org/10.1007/s11837-023-05796-5 | URI: | http://hdl.handle.net/10261/340455 | DOI: | 10.1007/s11837-023-05796-5 | Identificadores: | doi: 10.1007/s11837-023-05796-5 issn: 1543-1851 |
Aparece en las colecciones: | (CENIM) Artículos |
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