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Mg-Al-Zn-Gd-Ce alloy and preparing method and application thereof

A cerium alloy, magnesium-aluminum-zinc technology, applied in the field of wear-resistant magnesium-aluminum-zinc-gadolinium-cerium alloy, can solve the problems of high production cost, complex equipment, etc., and achieve the effects of low cost, reduced energy consumption and cost, and increased service life

Active Publication Date: 2017-09-15
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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  • Mg-Al-Zn-Gd-Ce alloy and preparing method and application thereof
  • Mg-Al-Zn-Gd-Ce alloy and preparing method and application thereof
  • Mg-Al-Zn-Gd-Ce alloy and preparing 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 740°C, then add 3.38% pure aluminum ingot, 1.26% pure zinc ingot, 0.50% manganese agent, 5.86 % Mg-30Gd master alloy and 8.43% Mg-30Ce master alloy. Purify the obtained magnesium-aluminum-zinc-gadolinium-cerium alloy melt at 730°C with No. 5 flux, and cool it down to 695°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, semi-continuous casting is carried out, and diameter is 152mm, and length is the ingot of magnesium-aluminum-zinc-gadolinium-cerium alloy of 363mm, 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...

Embodiment 2

[0080] Using a resistance furnace for smelting, under the protection of No. 5 flux, melt the magnesium metal and heat it to 752°C, then add 2.60% pure aluminum ingot, 0.30% pure zinc ingot, 0.43% manganese agent, 9.10% by mass percentage % Mg-30Gd master alloy and 12.00% Mg-30Ce master alloy. Purify the obtained magnesium-aluminum-zinc-gadolinium-cerium alloy melt at 730°C with No. 5 flux, and cool it down to 707°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, semi-continuous casting is carried out, and diameter is 152mm, and length is the ingot of magnesium-aluminum-zinc-gadolinium-cerium alloy of 380mm, casting speed is 90mm / min, and cooling water is 60L / min. The ingot was subjected to homogenization annealing at a temperature of 410° C. for 15 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 ...

Embodiment 3

[0085] Using resistance furnace for smelting, under the protection of No. 5 flux, metal magnesium is melted and heated to 760°C, and then 2.83% pure aluminum ingot, 0.64% pure zinc ingot, 0.61% manganese agent, 10.76 % Mg-30Gd master alloy and 9.19% Mg-30Ce master alloy. Purify the obtained magnesium-aluminum-zinc-gadolinium-cerium alloy melt at 730°C with No. 5 flux, and cool it 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 ingot of magnesium-aluminum-zinc-gadolinium-cerium alloy that diameter is 152mm, and 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 21 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 sp...

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Abstract

The invention relates to an Mg-Al-Zn-Gd-Ce alloy and a preparing method and application thereof, in particular to an abrasion-resisting Mg-Al-Zn-Gd-Ce alloy, an Mg-Al-Zn-Gd-Ce alloy surfacing welding stick and a preparing method of the welding stick, and belongs to the technical field of metal material technologies and metallurgy. The Mg-Al-Zn-Gd-Ce alloy comprises magnesium alloy chemical components including, by mass percent, 2.47%-3.55% of Al, 0.29%-1.50% of Zn, 0.26%-0.56% of Mn, 0.80%-2.54% of Gd, 0.49%-2.38% of Ce, and the balance Mg. Under the room temperature dry friction abrasion test conditions, after the Mg-Al-Zn-Gd-Ce magnesium alloy welding stick is subjected to surfacing, the relative abrasion resistance of the Mg-Al-Zn-Gd-Ce magnesium alloy welding stick can reach 3.29.

Description

technical field [0001] The invention relates to a magnesium-aluminum-zinc-gadolinium-cerium alloy and its preparation method and application, in particular to a wear-resistant magnesium-aluminum-zinc-gadolinium-cerium alloy, the magnesium-aluminum-zinc-gadolinium-cerium alloy surfacing welding wire and its preparation method, which belong to metal material technology and metallurgical 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 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C23/02C22C23/06C22C1/03B23K35/28B23K35/40B21C37/04
CPCB21C37/047B23K35/284B23K35/40C22C1/03C22C23/02C22C23/06
Inventor 赵志浩王高松陈庆强朱庆丰朱成陶凯刘文强
Owner NORTHEASTERN UNIV
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