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Alloy ingot containing magnesium and cadmium and preparation method

A technology for alloy ingots and alloying elements, which is applied to the field of alloy ingots containing magnesium and cadmium and its preparation, can solve problems such as defects in mechanical processing, and achieve the effects of superior scratch resistance, reduced resource consumption, and extended service life.

Active Publication Date: 2016-05-11
JINGJIANG XINZHOU ALLOY MATERIALS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Hot-dip galvanizing is a steel surface treatment method that requires high requirements in terms of economy and practicability. It is widely used because of its simple and easy implementation in technology, and its excellent anti-corrosion performance. With the continuous development of society, the requirements for steel surface protection are increasing, and it is imminent to seek high-performance alloy coatings. Traditional alloy ingots have defects in corrosion resistance, wear resistance, and machining.

Method used

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  • Alloy ingot containing magnesium and cadmium and preparation method
  • Alloy ingot containing magnesium and cadmium and preparation method

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preparation example Construction

[0027] A method for preparing an alloy ingot containing magnesium and cadmium, comprising the following steps:

[0028] (1) Ingredients:

[0029] Alloying elements are proportioned according to the mass percentage: aluminum 50%-58%, silicon 1.2%-1.8%, magnesium 1%-3%, cadmium 0.5%-2%, and the balance is zinc;

[0030] (2) Melting:

[0031] Put the proportioned metal into the smelting furnace, raise the temperature to 650°C, and stir to make the components evenly alloyed to avoid segregation of aluminum, and then take samples from the furnace mouth, and test whether the components are uniform in the laboratory;

[0032] (3) Pouring:

[0033] Pouring with movable movable zinc chute;

[0034] (4) Cooling:

[0035] When the temperature of the center of the alloy liquid drops to about 469°C, observe that the diameter of the uncondensed area on the upper surface is within 200mm and sprinkle water slowly, and gradually increase the amount of water;

[0036] (5) Molding and surfa...

Embodiment

[0046] Calculated by weight percentage: aluminum 56%, silicon 1.5%, magnesium 2%, cadmium 1.5%, and the balance is zinc. Heat up the metal with a good ratio to 650°C in an intermediate frequency induction furnace, and stir to make the ingredients evenly Alloying to avoid segregation of aluminum, then sampling at the furnace mouth, testing whether the composition is uniform in the laboratory, cooling to 630°C with the furnace for refining and scum, and then cooling to 550°C for slag and pouring, pouring, the time is not suitable Too fast, otherwise it is easy to produce bubbles, slag inclusions, and crack defects. The ingot is poured for about 3 minutes each time. Sprinkle water slowly within 200mm, and gradually increase the amount of watering. In the process of mold removal, check whether there are burrs, flashes, shrinkage cavities, cracks, shrinkage porosity, and scum defects in the alloy ingot. Finally, take samples for scratch load test. Put the sapphire test needle with ...

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Abstract

An alloy ingot containing magnesium and cadmium is prepared from, by weight, 50%-58% of aluminum, 1.2%-1.8% of silicon, 1%-3% of magnesium, 0.5%-2% of cadmium and the balance zinc. The preparation method of the alloy ingot containing the magnesium and the cadmium comprises the following steps of material proportioning, smelting, pouring, cooling, drawing and surface treatment, and testing. According to the alloy ingot containing the magnesium and the cadmium and the preparation method of the alloy ingot containing the magnesium and the cadmium, the service life can be prolonged, limited zinc resources are saved, and resource consumption is reduced; the alloy ingot has more excellent scratch resistance and can be applied to the portions which are prone to scratches during machining and are rubbed or abraded repeatedly.

Description

technical field [0001] The invention relates to metal alloys, in particular to an alloy ingot containing magnesium and cadmium and a preparation method. Background technique [0002] Hot-dip galvanizing is a steel surface treatment method that requires high requirements in terms of economy and practicability. It is widely used because of its simple and easy implementation in technology, and its excellent anti-corrosion performance. With the continuous development of society, the requirements for steel surface protection are increased, and it is imminent to seek high-performance alloy coatings. Traditional alloy ingots have defects in corrosion resistance, wear resistance, and machining. Contents of the invention [0003] The invention discloses an alloy ingot containing magnesium and cadmium and a preparation method thereof, which solve the above technical problems. [0004] In order to achieve the above-mentioned technical purpose and meet the above-mentioned technical r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/10C22C1/02B22D7/00
CPCB22D7/00C22C1/026C22C21/003C22C21/10
Inventor 孙钧
Owner JINGJIANG XINZHOU ALLOY MATERIALS
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