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Magnesium alloy as well as preparation method and application thereof

The technology of magnesium alloy and wire drawing die is applied in the field of wear-resistant magnesium alloy, which can solve the problems of complex equipment and high production cost, and achieve the effects of reducing energy consumption and cost, low cost and high drawing speed.

Active Publication Date: 2017-08-29
NORTHEASTERN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the technical equipment is relatively complicated, and it needs to be equipped with devices such as medium and high-frequency electromagnetic field generators. During the drawing process, protective gas needs to be continuously introduced, and the production cost is relatively high.
In addition, due to the extremely fast heating speed of the electromagnetic induction method, a sensitive temperature feedback device is required, and ordinary temperature measurement methods such as Hall element temperature measurement and thermocouple temperature measurement are difficult to meet its requirements

Method used

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  • Magnesium alloy as well as preparation method and application thereof
  • Magnesium alloy as well as preparation method and application thereof
  • Magnesium alloy as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0075] Using a resistance furnace for smelting, under the protection of No. 5 flux, melt the magnesium metal and heat it to 745°C, then add 9.80% pure aluminum ingot, 0.20% pure zinc ingot, 0.73% manganese agent, 5.33 % Mg-30Gd master alloy and 7.10% Mg-30Y master alloy. Purify the obtained magnesium alloy melt with No. 5 flux at 730°C, and cool down to 680°C after stirring, standing still, and removing slag. in volume ratio to CO 2 :SF 6 Under the protection of the mixed gas of =10:1, carry out semi-continuous casting, obtain the magnesium alloy ingot that diameter is 152mm, length is 360mm, and casting speed is 90mm / min, and cooling water is 60L / min. Homogenizing annealing was performed on the ingot at a temperature of 410° C. for 24 hours. The homogenized annealed ingot was turned to obtain a cylindrical ingot with a diameter of 140 mm and a height of 340 mm. The FOUNDRY-MASTER PRO direct-reading spark spectrometer was used to detect the composition of the ingot, and th...

Embodiment 2

[0080] Using a resistance furnace for smelting, under the protection of No. 5 flux, melt and heat the metal magnesium to 735°C, and then add 8.40% pure aluminum ingot, 1.55% pure zinc ingot, 0.90% manganese agent, 6.05% % Mg-30Gd master alloy and 3.98% Mg-30Y master alloy. Purify the obtained magnesium alloy melt with No. 5 flux at 730°C, and cool down to 700°C after stirring, standing still, and removing slag. in volume ratio to CO 2 :SF 6 Under the protection of the mixed gas of =10:1, carry out semi-continuous casting, obtain the magnesium alloy ingot that diameter is 152mm, length is 370mm, and casting speed is 90mm / min, and cooling water is 60L / min. Homogenizing annealing was performed on the ingot at a temperature of 410° C. for 12 hours. The homogenized annealed ingot was turned to obtain a cylindrical ingot with a diameter of 140 mm and a height of 340 mm. The FOUNDRY-MASTER PRO direct-reading spark spectrometer was used to detect the composition of the ingot, and ...

Embodiment 3

[0085] Using a resistance furnace for smelting, under the protection of No. 5 flux, melt the magnesium metal and heat it to 741°C, then add 9.72% pure aluminum ingot, 1.32% pure zinc ingot, 0.52% manganese agent, 3.80% by mass percentage % Mg-30Gd master alloy and 1.90% Mg-30Y master alloy. Purify the obtained magnesium alloy melt with No. 5 flux at 730°C, and cool down to 690°C after stirring, standing still, and removing slag. in volume ratio to CO 2 :SF 6 Under the protection of the mixed gas of =10:1, carry out semi-continuous casting, obtain the magnesium alloy ingot that diameter is 152mm, and length is 358mm, and casting speed is 90mm / min, and cooling water is 60L / min. Homogenizing annealing was performed on the ingot at a temperature of 410°C for 20 hours. The homogenized annealed ingot was turned to obtain a cylindrical ingot with a diameter of 140 mm and a height of 340 mm. The FOUNDRY-MASTER PRO direct-reading spark spectrometer was used to detect the compositio...

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Abstract

The invention relates to a magnesium alloy as well as a preparation method and application thereof, in particular relates to an abrasive-resistant magnesium alloy, magnesium alloy surfacing welding rod and preparation method thereof, and belongs to the technical field of techniques and metallurgies of metal materials. The magnesium alloy comprises the following chemical components in percentage by mass: 7.98 to 9.31 percent of Al, 0.19 to 1.52 percent of Zn, 0.10 to 0.61 percent of Mn, 0.80 to 1.89 percent of Gd, 0.40 to 1.49 percent of Y, and the balance of Mg. Under a condition of a dry friction abrasion test at a room temperature, after the Mg-Al-Zn-Gd-Y magnesium alloyx welding rod is subjected to surfacing, the relative abrasion property can reach 3.09.

Description

technical field [0001] The invention relates to a magnesium alloy and its preparation method and application, in particular to a wear-resistant magnesium alloy, the magnesium alloy surfacing welding wire and its preparation method, and belongs to the field of metal material technology and metallurgy technology. Background technique [0002] As one of the lightest engineering structural materials at present, magnesium and magnesium alloys have a density of about 2 / 3 of aluminum and 1 / 4 of steel. It has good shock absorption and electromagnetic shielding properties, as well as good electrical conductivity and biocompatibility. These characteristics make it have broad application prospects in the fields of automobile, electronics, national defense and medical treatment. As a high-performance structural material, magnesium alloy components inevitably need surfacing welding. Overlay welding is a welding process that clads a metal layer with wear-resistant or corrosion-resistant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C23/02C22C1/03C22F1/06B21C1/00B21C9/00
CPCB21C1/003B21C9/00C22C1/03C22C23/02C22F1/06
Inventor 赵志浩王高松陈庆强朱庆丰朱成刘文强陶凯
Owner NORTHEASTERN UNIV
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