Method for manufacturing high plastic magnesium alloy ingot
A manufacturing method, magnesium alloy technology, applied in the field of manufacturing magnesium alloy ingots, can solve problems such as poor processability
Active Publication Date: 2009-05-06
北京广灵精华科技有限公司 +1
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Problems solved by technology
However, the manufacture of magnesium alloy components mainly relies on casting and melting / solidification processes, and the poor processability at ambient temperature has become a bottleneck for its wide application.
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[0025] The method for manufacturing the high plasticity magnesium alloy ingot of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0026] Such as figure 1 Shown, the manufacture method of high plasticity magnesium alloy ingot of the present invention, comprises the steps:
[0027] Step 101, placing magnesium, zinc, and zirconium with a set mass ratio in a crucible, wherein the ratios of magnesium, zinc, and zirconium are 80-83%, 12-15%, and 2-8% respectively; the crucible Place in vacuum or in a furnace filled with inert gas.
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Abstract
The invention discloses a method for manufacturing high-plasticity magnesium alloy ingots. the method comprises the following steps: magnesium, zinc and zirconium in set mass ratio are put into a crucible, wherein the proportion of the magnesium, the zinc and the zirconium is 80 to 83 percent, 12 to 15 percent and 2 to 8 percent respectively; the crucible is put in a furnace which is vacuum or full of inert gas; materials in the crucible are heated and melted to form a homogeneous molten substrate; lithium accounting for 23 to 27 percent of total mass, manganese accounting for 7 to 9 percent of total mass and yttrium accounting for 4 to 6 percent of total mass are added to the molten substrate and well stirred; and the molten substrate mixed with the lithium, the manganese and the yttrium is injected into a mold, cooled and solidified to form the ingots. The method for manufacturing high-ductility magnesium alloy changes the crystal shape of the magnesium alloy by adding the lithium, the manganese, the yttrium and other alloying elements, and avoids the formation of intermetallic compounds, so as to improve the ductility and processability of the magnesium alloy.
Description
technical field [0001] The invention relates to a method for manufacturing a magnesium alloy ingot, in particular to a method for manufacturing a high plasticity magnesium alloy ingot. Background technique [0002] The so-called magnesium alloy is an alloy composed of magnesium and other elements. Its characteristics are: low density (about 1.8g / cm3), high specific strength, large elastic modulus, good shock absorption, greater impact load capacity than aluminum alloy, and good corrosion resistance to organic matter and alkali. The main alloying elements are aluminum, zinc, manganese, cerium, thorium and a small amount of zirconium or cadmium. [0003] Magnesium-aluminum alloys are currently the most widely used, followed by magnesium-manganese alloys and magnesium-zinc-zirconium alloys. Mainly used in aviation, aerospace, transportation, chemical industry, rocket and other industrial sectors. According to the forming method, it is divided into two types: wrought magnesiu...
Claims
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IPC IPC(8): C22B26/22C22C23/04B22D21/04C22F1/06
Inventor 仝仲盛孙金凤吴学云
Owner 北京广灵精华科技有限公司