High-strength and high-temperature-resistant magnesium alloy

A technology of high temperature resistance and magnesium alloy, applied in the field of metal materials, it can solve the problems that magnesium alloys are far inferior to aluminum alloys, have poor heat resistance and corrosion resistance, and the oxide film on the electrode surface is not dense, so as to reduce the atomic diffusion rate. , the effect of improving heat resistance, room temperature strength and high temperature creep performance

Inactive Publication Date: 2015-09-23
HEBEI GANGYAN DEKAI TECH CO LTD
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AI-Extracted Technical Summary

Problems solved by technology

[0003] At present, the use of magnesium alloys is far less than that of aluminum alloys. One of the reasons is that its heat resistance and corrosion resistance are poor. When the ambient temperature exceeds 120 ° C, the strength of general magnesium alloys drops suddenly. Low, and the oxid...
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Abstract

The invention discloses a high-strength and high-temperature-resistant magnesium alloy, and belongs to the field of metallic materials. The magnesium alloy mainly comprises elements of magnesium, aluminum, zinc, manganese, erbium, yttrium, zirconium and the like, the magnesium alloy is composed, by weight percentage, of 1-2% of the aluminum, 2-3% of the zinc, 0.5-1% of the manganese, 2-3.5% of the erbium, 1.5-2% of the yttrium, 0.02-0.05% of the zirconium, less than 0.02% of silicon, less than 0.002% of copper, less than 0.002% of iron, less than 0.005% of other impurities and the balance magnesium. According to high-strength and high-temperature-resistant magnesium alloy, the elements such as the magnesium, the aluminum, the zinc, the manganese, the erbium, the yttrium and the zirconium are added into the magnesium alloy, room-temperature strength and corrosion resistance of materials are improved, tensile strength, elongation and high-temperature strength of the magnesium alloy are greatly improved, and the magnesium alloy can work under the temperature ranging from 200 DEG C to 300 EDG C for a long time.

Technology Topic

YttriumCorrosion +12

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  • High-strength and high-temperature-resistant magnesium alloy
  • High-strength and high-temperature-resistant magnesium alloy
  • High-strength and high-temperature-resistant magnesium alloy

Examples

  • Experimental program(1)

Example Embodiment

[0014] The specific technical solutions of the present invention will be described in detail below through specific examples.
[0015] The present invention is a high-strength and high-temperature resistant magnesium alloy, which mainly includes elements such as magnesium, aluminum, zinc, manganese, erbium, yttrium, zirconium, etc. Its composition is as follows: aluminum 1-2%, zinc 2-3%, manganese 0.5 -1%, erbium 2-3.5%, yttrium 1.5-2%, zirconium 0.02-0.05%, silicon <0.02%, copper <0.002%, iron <0.002%, other impurities content <0.005%, magnesium is the balance.
[0016] Two specific implementation schemes such as figure 1 As shown, figure 2 Shown are the corresponding room temperature mechanical properties of the two schemes, such as, image 3 Shown are the corresponding high-temperature mechanical properties of the two solutions.

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