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A high strength and ductility Mg–Zn–Al–Cu–Mn magnesium alloy
Highlights ► As-cast alloy consists of α-Mg, MgZn, MgZnCu and Al8Mn5 phases. ► Two-step aging treatment leads to formation of a great deal of fine and disperse precipitates. ► σ 0.2, σb and ε of the common cast-T6 alloy reach 228MPa, 328MPa and 16.0%, respectively.
Abstract A high strength Mg–8.0Zn–1.0Al–0.5Cu–0.5Mn(wt.%) magnesium alloy with outstanding ductility was developed using a common casting technique and heat treatment. The microstructure of the as-cast alloy is composed of α-Mg, MgZn, MgZnCu and Al–Mn phases. After the solution treatment and subsequent two-step aging treatment, the yield strength (YS), ultimate tensile strength (UTS) and elongation of the alloy at peak hardness reach 228MPa, 328MPa and 16.0% at room temperature, respectively. The comprehensive mechanical properties of the alloy are superior to almost all other high performance casting Mg alloys.
A high strength and ductility Mg–Zn–Al–Cu–Mn magnesium alloy
Highlights ► As-cast alloy consists of α-Mg, MgZn, MgZnCu and Al8Mn5 phases. ► Two-step aging treatment leads to formation of a great deal of fine and disperse precipitates. ► σ 0.2, σb and ε of the common cast-T6 alloy reach 228MPa, 328MPa and 16.0%, respectively.
Abstract A high strength Mg–8.0Zn–1.0Al–0.5Cu–0.5Mn(wt.%) magnesium alloy with outstanding ductility was developed using a common casting technique and heat treatment. The microstructure of the as-cast alloy is composed of α-Mg, MgZn, MgZnCu and Al–Mn phases. After the solution treatment and subsequent two-step aging treatment, the yield strength (YS), ultimate tensile strength (UTS) and elongation of the alloy at peak hardness reach 228MPa, 328MPa and 16.0% at room temperature, respectively. The comprehensive mechanical properties of the alloy are superior to almost all other high performance casting Mg alloys.
A high strength and ductility Mg–Zn–Al–Cu–Mn magnesium alloy
Wang, Jing (author) / Liu, Ruidong (author) / Luo, Tianjiao (author) / Yang, Yuansheng (author)
2012-12-31
4 pages
Article (Journal)
Electronic Resource
English
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