首页|(162912)Effects of Fe addition on the microstructures and mechanical properties of as-extruded Zn-0.2Mg alloys
(162912)Effects of Fe addition on the microstructures and mechanical properties of as-extruded Zn-0.2Mg alloys
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NSTL
Elsevier
Zn-0.2Mg-(0, 0.05, 0.2, 0.4 wt%)Fe alloy rods were produced by indirectly extruding the as-cast ingots at 200 °C. The addition of minor Fe significantly improved the ductility of as extruded Zn-0.2Mg alloy without scarifying the strength. As 0.05 wt% Fe was added, the yield strength, ultimate tensile strength and elongation were increased from 216 MPa, 228 MPa and 1.85% for Zn-0.2Mg alloy to 240 MPa, 258 MPa and 42% for Zn-0.2Mg-0.05Fe. Texture variation from basal texture to non-basal texture alongside the grain refinement contributed the great improvement of ductility and slight increase of strength, respectively. As Fe content increased from 0.05 wt% to 0.4 wt%, the volume fraction and size of the second phases changed, leading to the reduction in elongation by 50% yet maintaining the yield strength and ultimate tensile strength.
Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China
NSTL
Elsevier
