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Novel high-performance die-casting zinc alloy material

A zinc alloy and new material technology, which is applied in the field of high-strength toughness performance zinc alloy die-casting new materials, can solve the problems of lower production costs, easy failure of downstream die-casting products, etc., and achieve the effects of improving competitiveness, enhancing toughness, and good die-casting performance

Inactive Publication Date: 2019-06-14
太仓宝祥有色金属制品厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The No. 3 zinc ingot produced according to this method has insufficient toughness, which leads to the failure of downstream die-casting products. For this reason, we have developed a new high-performance die-casting zinc alloy material, which improves the toughness of the zinc alloy material while maintaining the tensile strength. No precious metal Cu is used. , reducing production costs

Method used

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  • Novel high-performance die-casting zinc alloy material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A new high-performance die-casting zinc alloy material, the main components of which are Al, Mg and Zn, and in terms of mass percentage, the new die-casting zinc alloy material includes the following main element components:

[0025] Al: 3.3%, Mg: 0.05%, Zn: 96.6412%.

[0026] Supporting melt treatment process: raw materials include No. 0 zinc, pure aluminum, pure magnesium, ZnCl 2 Refining agent, complete refining at 500-700°C; pour the smelted alloy at 550-600°C figure 2 According to GB / T-1775-1997, the cast zinc alloy metal type standard sample and the gating riser system mold were placed, and then the tensile rod was taken out for mechanical performance testing. The results of the average value of the two test rods are shown in Table 2. According to the composition interval design composition of the new die-casting zinc alloy material, the composition of the obtained ingot is tested by a spectrometer, and the specific alloy element composition is shown in Table 1;...

Embodiment 2

[0028] A new high-performance die-casting zinc alloy material, the main components of which are Al, Mg and Zn, and in terms of mass percentage, the new die-casting zinc alloy material includes the following main element components:

[0029] Al: 3.53%, Mg: 0.05%, Zn: 96.4146%.

[0030] Supporting melt treatment process: raw materials include No. 0 zinc, pure aluminum, pure magnesium, ZnCl 2 Refining agent, complete refining at 500-700°C; pour the smelted alloy at 550-600°C figure 2 According to GB / T-1775-1997, the cast zinc alloy metal type standard sample and the gating riser system mold were placed, and then the tensile rod was taken out for mechanical performance testing. The results of the average value of the two test rods are shown in Table 2. According to the composition interval design composition of the new die-casting zinc alloy material, the composition of the obtained ingot is tested by a spectrometer, and the specific alloy element composition is shown in Table 1...

Embodiment 3

[0032] A new high-performance die-casting zinc alloy material, the main components of which are Al, Mg and Zn, and in terms of mass percentage, the new die-casting zinc alloy material includes the following main element components:

[0033] Al: 3.92%, Mg: 0.05%, Zn: 96.0213%.

[0034] Supporting melt treatment process: raw materials include No. 0 zinc, pure aluminum, pure magnesium, ZnCl 2 Refining agent, complete refining at 500-700°C; pour the smelted alloy at 550-600°C figure 2 According to GB / T-1775-1997, the casting zinc alloy metal type standard sample and the casting riser system mold were placed, and then the tensile rod was taken out for mechanical performance testing. The results of the average value of the two test rods are shown in Table 2. According to the design composition of the composition interval of the new die-casting zinc alloy material, the composition of the obtained ingot is tested by a spectrometer, and the specific alloy element composition is shown...

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Abstract

The invention relates to a novel high-performance die-casting zinc alloy material, and particularly relates to a novel zinc alloy material suitable for die casting. The zinc alloy novel material comprises the following components in mass percentage by adjusting the percentage content of Al and being matched with a melt treatment process: 3.3-4.3% of Al, 0.02-0.06% of Mg, no more than 0.1% of Fe, no more than 0.005% of Pb, no more than 0.003% of Sn, no more than 0.004% of Cd and the balance Zn. The novel high-performance die-casting zinc alloy material has the higher tensile performance compared with an existing third zinc alloy, and meanwhile, the higher die-casting performance and the lower cost are achieved.

Description

technical field [0001] The invention relates to a new die-casting zinc alloy material, in particular to a new die-casting zinc alloy material with high strength and toughness. Background technique [0002] With the continuous development of the global economy, although copper and copper alloys are used more and more widely, the price of copper alloys is also getting higher and higher. In order to replace copper and copper alloy materials to meet the development of modern industry and global economy The country puts forward the development strategy of "replacing copper with zinc". In my country, zinc alloys are used for die casting and account for more than 20%. Among them, YZZnAl4A (No. 3 die-casting zinc alloy), ZA8 alloy, and ZA12 are commonly used die-casting zinc alloys. Because No. 3 zinc alloy has good fluidity near the eutectic point, it is recognized as the development direction of die-casting zinc alloys. At present, more than 70 % ZnAl4 is used in zinc-aluminum a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C18/04C22C1/02
Inventor 马义明
Owner 太仓宝祥有色金属制品厂
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