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High-toughness high-ductility zinc alloy and processing method thereof

A zinc alloy and ductility technology, which is applied in the field of high toughness and high ductility zinc alloy and its processing, can solve the problems of poor fluidity and achieve the effects of enhancing corrosion resistance, reducing brittleness, and small intergranular corrosion tendency

Inactive Publication Date: 2014-02-26
HUIZHOU YUANBAO METAL CASTING
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] ZA8: Good impact strength and dimensional stability, but poor fluidity

Method used

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  • High-toughness high-ductility zinc alloy and processing method thereof

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Embodiment Construction

[0020] In order to facilitate the understanding of those skilled in the art, the present invention will be further described in detail below in conjunction with specific embodiments.

[0021] The invention discloses a zinc alloy comprising the following components according to mass fraction: 0.025%-0.05% of magnesium, less than 0.4% of copper, 3.8%-4.3% of aluminum, less than 0.035% of iron, 0.02%-0.1% of manganese, Germanium 0.05% to 0.8%, silver 0.02% to 1.5%, silicon 0.05% to 2%, and the balance is zinc.

[0022] Embodiment 1 as the above scheme: the zinc alloy comprises the following components: 0.025% magnesium, 0.2% copper, 3.8% aluminum, 0.025% iron, 0.06% manganese, 0.05% germanium, 0.05% silver, 0.1% silicon, and the balance is zinc.

[0023] As the second embodiment of the above scheme: the zinc alloy includes the following components: 0.035% magnesium, 0.3% copper, 4% aluminum, 0.035% iron, 0.1% manganese, 0.5% germanium, 1% silver, 1.5% silicon, and the balance is...

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Abstract

The invention relates to a high-toughness high-ductility zinc alloy and processing method thereof. The zinc alloy comprises the following components in percentage by mass: 0.025-0.05% of magnesium, less than 0.4% of copper, 3.8-4.3% of aluminum, less than 0.035% of ferrum, 0.02-0.1% of manganese, 0.05-0.8% of germanium, 0.02-1.5% of argentum, 0.05-2% of silicon and the balance of zinc; a smelting method of the high-toughness high-ductility zinc alloy comprises the following steps: adding above components in a smelting furnace in proportion, controlling the temperature of the smelting furnace within a range of 400-500 DEG.C, adding a fluxing medium after all components are dissolved into liquid, removing slag, and then removing zinc ash, pouring the solution into a die cavity for shaping. The high-toughness high-ductility zinc alloy and processing method thereof have beneficial effects of high yield, good plasticity, good corrosion resistance, small intercrystalline corrosion tendency and high size stability, the phenomena that the product is easy to break and fracture and the screw loose is easy caused by torsion are reduced.

Description

technical field [0001] The invention relates to a zinc alloy, in particular to a zinc alloy with high toughness and high ductility and a processing method thereof. Background technique [0002] The traditional die-casting zinc alloys include No. 2, 3, 4, 5, and 7 alloys, and the most widely used one is No. 3 zinc alloy. In the 1970s, high-aluminum zinc-based alloys ZA-8, ZA-12, and ZA-27 were developed. [0003] Zamak 3: Good fluidity and mechanical properties. Applied to castings that do not require high mechanical strength, such as toys, lamps, decorations, and some electrical components. [0004] Zamak 5: Good fluidity and good mechanical properties. Applied to castings that have certain requirements for mechanical strength, such as auto parts, electromechanical parts, mechanical parts, electrical components. [0005] Zamak 2: Used for mechanical parts that have special requirements on mechanical properties, high requirements on hardness, good wear resistance, and gen...

Claims

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Application Information

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IPC IPC(8): C22C18/04C22C1/02
Inventor 黄长林赵现林黎裕敏
Owner HUIZHOU YUANBAO METAL CASTING
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