Process for improving age hardening effect of high-zinc deformed magnesium alloy

A technology for deforming magnesium alloy and process method, applied in the field of magnesium alloy processing, can solve the problems of reducing supersaturation, over-burning of alloy, coarse size, etc., and achieve the effect of improving deformability
CN103173703BActive Publication Date: 2014-12-10CHONGQING UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHONGQING UNIV
Publication Date
2014-12-10

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Abstract

The invention discloses a process for improving an age hardening effect of a high-zinc deformed magnesium alloy. The method comprises the following steps of: firstly, carrying out homogenization treatment onto an alloy ingot; then, crushing non-equilibrium compounds in the alloy by thermally processing; and finally, facilitating the compounds to dissolve as much as possible by adopting two-step gradient-type solid solution treatment. The process disclosed by the invention can be used for effectively facilitating the dissolving of non-equilibrium eutectic crystals in a high-zinc Mg-ZN-Al ternary alloy, improving the super-saturation degree of Zn and Al elements in the matrix and strengthening the age hardening effect of the high-zinc deformed magnesium alloy. Compared with the conventional T6 treatment, the treatment time is greatly shortened and the production efficiency is effectively improved.
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Description

technical field

[0001] The invention belongs to the technical field of magnesium alloy processing, in particular to a process method for improving the age hardening effect of high-zinc deformed magnesium alloys. Background technique

[0002] As the lightest commercial metal engineering structural material at present, magnesium alloy is widely used in aerospace, transportation, 3C products and many other fields due to its excellent specific strength, excellent damping, shock absorption and noise reduction performance, good machining and surface decoration performance, etc. It has important application value and broad application prospect. At present, Mg-Al series (AZ series, AM series) alloys are the most widely used, but this type of alloy still has the problem of insufficient absolute strength. In recent years, studies have found that a type of τ-type Mg-Zn-Al alloy (ZA), which is formed by adding a large amount of Zn on the basis of Mg-Al alloys and strictly controlling t...

Claims

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