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Title: | Structure and properties of rapidly solidified Mg-based MgPr alloys | Authors: | Li, Y. Liu, H.Y. |
Issue Date: | 15-Jan-1995 | Citation: | Li, Y.,Liu, H.Y. (1995-01-15). Structure and properties of rapidly solidified Mg-based MgPr alloys. Journal of Materials Processing Tech. 48 (1-4) : 483-487. ScholarBank@NUS Repository. | Abstract: | Mg-based alloys containing 1 to 15wt% Pr were rapid-quenched by melt-spinning. Lattice parameters of αMg, microstructure and microhardness of as-quenched ribbons were studied using optical microscope, XRD and TEM. Lattice parameters a and c of αMg solid solution were increased with increasing alloy content up to 5 to 10wt% Pr indicating that the solid solubility of Pr in αMg could be extended to 5-10wt% Pr by melt-spinning. Microhardness of the as-spun ribbons was also increased from 53 to 167 kg/mm2 with increasing alloy content from 1 to 15 wt% Pr. TEM study showed that grained αMg equiaxed in cross section with few fine second phase along grain boundaries formed in Mg-1 wt%Pr ribbon while primary αMg with coarser second phase plus degenerated eutectic formed in Mg-15wt%Pr ribbon. The solid solubility extension of Pr in αMg and possible significant of the result for development of microcrystalline light-weight Mg-based alloys are discussed. © 1995. | Source Title: | Journal of Materials Processing Tech. | URI: | http://scholarbank.nus.edu.sg/handle/10635/107211 | ISSN: | 09240136 |
Appears in Collections: | Staff Publications |
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