Mg Alloys Containing Misch Metal Manufacturing Method of Wrought Mg Alloys Containing Misch Metal, and Wrought Mg Alloys Thereby

a technology of misch metal and manufacturing method, which is applied in the field of magnesium alloys with misch metals, can solve the problems of az91 alloys having a difficult time being applied to parts exposed to a high temperature (150° c), a number of blowholes in products, and generating blisters on the surface of products, etc., to achieve excellent mechanical properties, high strength, and inhibit deformation of magnesium matrix
US20080138236A1Inactive Publication Date: 2008-06-12G ALLOY TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
G ALLOY TECHNOLOGY CO LTD
Publication Date
2008-06-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

There are provided a magnesium alloy with a misch metal, a method of producing a wrought magnesium alloy with a misch metal, and a wrought magnesium alloy produced thereby, in which a great deal of misch metal is added to magnesium, and thus refractory eutectic phases or multi-phases are formed into a stable network structure or a stable dispersed phase, thereby inhibiting deformation of a magnesium matrix at a high temperature to maintain a high strength. The magnesium alloy with the misch metal has the formula of Mg100-x-y-gAxByCz, where A is zinc (Zn) or aluminum (Al); B is the misch metal; C is at least one element selected from the group consisting of manganese (Mn), nickel (Ni), copper (Cu), tin (Sn), yttrium (Y), phosphor (P), silver (Ag), and strontium (Sr); and x, y and z are the compositions of 0 at %≦x≦6 at %, 0.8 at %≦y≦7 at %, and 0 at %≦z≦2 at %, respectively.
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Description

DESCRIPTION

[0001] 1. Technical Field

[0002] The present invention relates to a magnesium alloy with a misch metal, in which a great deal of misch metal is added to magnesium, thereby having a network structure or a dispersed phase which is stable at a high temperature and thus exhibiting excellent mechanical properties. Further, the present invention relates to a method of producing a wrought magnesium alloy which granulates solidification structures, i.e. secondary phases or multi-phases, by means of hot extrusion and hot rolling, and ultra-refines grains of a matrix, and a wrought magnesium alloy produced by the method.

[0003] 2. Background Art

[0004] Nowadays, as environmental and saveenergy problems attract a lot of attention all over the world, it is absolutely required to make parts lighter in weight. There are stronger and stronger requests that an environmental pollution problem resulting from carbon dioxide generated during transportation by road, aviation, and rail should be sol...

Claims

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