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- W2380674906 abstract "The microstructure and mechanical properties of in situ Mg2Si/Al composites after mischmetal(RE)modification and semi-solid isothermal heat treatment were investigated. The results show that 0.8wt% addition of RE has a good effect on Mg2Si/Al composites. The morphology of primary Mg2Si became irregular blocks distributed uniformly rather than coarse and crossed before. The average size decreased from 74 μm to about 24μm. Meanwhile, the mechanical properties also improved and the tensile strength increased from 134 MPa before modification to 187.5 MPa. The Brinell hardness increased from HB74.5 to about HB 89.5. The optimum isothermal heat treatment process is to keep 600 ℃ for 90 min, which could turn the shape of the primary Mg2Si into sphere. Its shape factor is about 0.93 and the average size is around 29 μm." @default.
- W2380674906 created "2016-06-24" @default.
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- W2380674906 date "2014-01-01" @default.
- W2380674906 modified "2023-09-23" @default.
- W2380674906 title "Effect of Mischmetal and Semi-Solid Isothermal Heat Treatment on Microstructure and Properties of In Situ Mg_2Si/Al Composites" @default.
- W2380674906 hasPublicationYear "2014" @default.
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