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- Title
An investigation on hot-cracking mechanism of Sr addition into Mg-6Al-0.5Mn alloy.
- Authors
Li, Shuang-Shou; Tang, Bin; Jin, Xin-Yan; Zeng, Da-Ben
- Abstract
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.
- Subjects
EUTECTICS; CRACKING process (Petroleum industry); MAGNESIUM alloys; THERMAL properties of alloys; ADDITION reactions; STRONTIUM; FRACTURE mechanics; STRENGTH of materials
- Publication
Journal of Materials Science, 2012, Vol 47, Issue 4, p2000
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-011-5997-3