Effects of heat treatment on mechanical properties and microstructures of as-extruded AZ91 and ZK60 magnesium alloys

被引：0
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作者：
Yan, Qi-Qi [1 ]
Zhang, Hui [1 ]
Chen, Zhen-Hua [1 ]
机构：
[1] College of Materials Science and Engineering, Hunan University, Changsha 410082, China
来源：
Jinshu Rechuli/Heat Treatment of Metals | 2006年 / 31卷 / 11期
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摘要：
The effects of heat treatment on the as-extruded AZ91 and ZK60 magnesium alloys were studied by mechanical properties test and metallographic observation. The results show that the ductility is significantly enhanced under solution state of the as-extruded AZ91 alloy, in contrast, the ductility and tensile strength of as-extruded ZK60 alloy are reduced after solution treatment and the hardness and tensile strength of these alloys are significantly enhanced by the special combination of solution and artificial aging treatment. The grain sizes of the as-extruded alloys are coarsened and the fine particles precipitate during solution and artificial aging treatment.
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页码：71 / 74
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