A kind of alloy ingot containing magnesium and cadmium and preparation method thereof

A technology of alloy ingots and alloy elements, which is applied in the field of alloy ingots containing magnesium and cadmium and its preparation, can solve problems such as defects in machining, achieve superior scratch resistance, save zinc resources, and reduce resource consumption.

Active Publication Date: 2017-11-28
JINGJIANG XINZHOU ALLOY MATERIALS
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  • Description
  • Claims
  • Application Information

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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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  • A kind of alloy ingot containing magnesium and cadmium and preparation method thereof
  • A kind of alloy ingot containing magnesium and cadmium and preparation method thereof

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preparation example Construction

[0027] A method for preparing an alloy ingot containing magnesium and cadmium, which is characterized in that it comprises the following steps:

[0028] (1) Ingredients:

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

[0030] (2) Smelting:

[0031] Put the well proportioned metal into the smelting furnace, raise the temperature to 650°C, stir to make the components uniformly alloyed to avoid aluminum segregation, and then sample from the furnace mouth to check whether the composition is uniform;

[0032] (3) Pouring:

[0033] Use movable movable zinc chute for pouring;

[0034] (4) Cooling:

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

[0036] (5) Mold drawi...

Embodiment

[0046] Take the percentage by weight: aluminum 56%, silicon 1.5%, magnesium 2%, cadmium 1.5%, and the balance is zinc. Heat the metal in an intermediate frequency induction electric furnace with a good ratio to 650°C and stir to make the ingredients uniform Alloying to avoid aluminum segregation, and then sampling at the furnace mouth, laboratory testing whether the composition is uniform, the furnace is cooled to 630 ℃ for refining and scum, and then cooled to 550 ℃ for slagging and pouring, and 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, and the skin is quickly rubbed after the casting is completed. When the center temperature of the alloy liquid drops to about 469°C, observe the diameter of the uncondensed area on the upper surface Slowly sprinkle water within 200mm and gradually increase the amount of water. In the process of drawing out, check whether the a...

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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 a metal alloy, in particular to an alloy ingot containing magnesium and cadmium and a preparation method. Background technique [0002] Hot-dip plating is a steel surface treatment method with high requirements in terms of economy and practicability. Because of its simplicity and ease of implementation in the process, and excellent anti-corrosion performance, it is widely used, but With the continuous development of society and the increasing requirements for steel surface protection, it is urgent to seek high-performance alloy coatings. Traditional alloy ingots have defects in corrosion resistance, wear resistance, and machining. Summary of the invention [0003] The invention provides 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 technical objectives and meet the above technical requirements, the technical solution ad...

Claims

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Application Information

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Patent Type & Authority Patents(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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