An investigation on hot-cracking mechanism of Sr addition into Mg–6Al–0.5Mn alloy
Autor: | Shuang-Shou Li, Xin-Yan Jin, Da-Ben Zeng, Bin Tang |
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Rok vydání: | 2011 |
Předmět: | |
Zdroj: | Journal of Materials Science. 47:2000-2004 |
ISSN: | 1573-4803 0022-2461 |
DOI: | 10.1007/s10853-011-5997-3 |
Popis: | The hot-tearing susceptibility of Mg–6Al–0.5Mn alloy decreased with the increasing Sr content (≤0.2 wt%). The related mechanism is described as follows: Sr refines the grain and reduces the tendency of divorced eutectic; Sr decreases the eutectic temperature and results in higher intergranular strength. Both of the above reasons could improve the filling capacity of the melt, resulting in the best hot-tearing-resistant property of the alloy. |
Databáze: | OpenAIRE |
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