Compound modified zinc alloy
A technology of compound modification and compound modification agent, which is applied in the field of zinc alloy product manufacturing to achieve the effects of improving corrosion resistance, optimizing organizational structure, and being convenient to use
Inactive Publication Date: 2012-04-18
GUANGDONG JINYI ALLOY PRODS
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On the other hand, element additives such as nickel agent and titanium agent are often added to promote smelting in the smelting of zinc alloys, but rar
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[0010] Two kinds of main implementation modes of the present invention are listed below: the one, add the compound modifier described in the present invention to international standard 3# zinc alloy, promote product performance; Compound Modifier. Under two kinds of implementation modes, the percentage by weight of each component of zinc alloy is shown in the table below:
[0011] Table 1: The weight percentage of each component of zinc alloy
[0012]
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The invention discloses a compound modified zinc alloy, which is prepared by adding a rare earth and nickel-titanium compound modifier in a conventional die-cast zinc alloy production process and smelting. The compound modified zinc alloy comprises the following components in percentage by weight: 3.9-4.0% of aluminum, 0.03-0.04% of magnesium, less than 0.07% of impurity ingredients containing lead, iron, cadmium, tin and the like and the balance of zinc; and the compound modifier is a complex of rare earth metal and a nickel-titanium additive and accounts for 0.00020-0.0050% by weight. The modified zinc alloy disclosed by the invention has the advantages of excellent mechanical property and machining performance, low melting point temperature, good corrosion resistance, difficulty in cracking and deformation, high surface smoothness of a die-cast piece, extremely excellent balance between physical property and mechanical property and excellent castability, and is suitable for various die-cast pieces.
Description
technical field [0001] The invention relates to a method for manufacturing a zinc alloy product, which belongs to the field of smelting technology of alloy products. Background technique [0002] Zinc alloys are widely used in the manufacture of various products because they are resistant to corrosion in the atmosphere and the residual waste is easy to recycle and remelt. High-aluminum zinc alloy is a new type of casting alloy with great development prospects. It has high strength, but poor plasticity and toughness. If its mechanical properties can be further improved, the reliability of use will be improved and the scope of application will be expanded. In order to improve the as-cast ductility of high-aluminum-zinc alloys, rare earth elements are often used for modification to refine the grains and greatly improve their ductility. On the other hand, element additives such as nickel agent and titanium agent are often added to promote smelting in the smelting of zinc alloys...
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Inventor 宋韶文邱寿华骆文龙谢兆庚吴有华朱宏厚杨廉君
Owner GUANGDONG JINYI ALLOY PRODS
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