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Extruded zinc alloy and preparation method thereof

A technology of zinc alloy and zinc-iron alloy, which is applied in the field of extruded zinc alloy and its preparation, can solve problems such as changes in surface corrosion performance, and achieve the effect of improving corrosion resistance and creep resistance

Inactive Publication Date: 2015-04-08
宁波香豪莱宝金属工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although some technologies have proposed technical solutions for the creep resistance of zinc alloys, in these technical solutions, although the creep resistance has been improved, the surface corrosion performance has not changed much.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Described preparation method is:

[0018] Ingredients, composed by mass percentage: 0.3% chromium, 0.8% copper, 0.4% aluminum, 0.18% titanium, 0.001% nickel, 0.003% iron, 0.001% cerium and the balance of zinc and unavoidable The impurities are used for batching, among which, chromium, copper, titanium, nickel, iron and cerium are respectively calculated and batched in the form of zinc-chromium alloy, zinc-copper alloy, zinc-titanium alloy, zinc-nickel alloy, zinc-iron alloy and zinc-cerium alloy; among them, copper The mass ratio to aluminum is 2:1;

[0019] Melting, melting each material in an induction furnace at 550-600°C in a covered manner, and then raising the temperature to 650-750°C for refining to obtain alloy liquid;

[0020] Casting, the obtained alloy liquid is cast into an ingot at a constant temperature of 450-500°C, and after casting, it is cooled to 360-380°C at a constant speed of 0.5-1.0°C / second, then homogenized at a constant temperature for 6 hours...

Embodiment 2

[0022] Described preparation method is:

[0023] Ingredients, composed by mass percentage: 0.5% chromium, 1.2% copper, 0.6% aluminum, 0.22% titanium, 0.003% nickel, 0.008% iron, 0.003% cerium and the balance of zinc and unavoidable The impurities are used for batching, among which, chromium, copper, titanium, nickel, iron and cerium are respectively calculated and batched in the form of zinc-chromium alloy, zinc-copper alloy, zinc-titanium alloy, zinc-nickel alloy, zinc-iron alloy and zinc-cerium alloy; among them, copper The mass ratio to aluminum is 2:1;

[0024] Melting, melting each material in an induction furnace at 550-600°C in a covered manner, and then raising the temperature to 650-750°C for refining to obtain alloy liquid;

[0025] Casting, the obtained alloy liquid is cast into an ingot at a constant temperature of 450-500°C, and after casting, it is cooled to 360-380°C at a constant speed of 0.5-1.0°C / second, then homogenized at a constant temperature for 10 hour...

Embodiment 3

[0027] Described preparation method is:

[0028] The ingredients, according to mass percentage, are: 0.4% chromium, 1.0% copper, 0.5% aluminum, 0.20% titanium, 0.002% nickel, 0.005% iron, 0.002% cerium and the balance of zinc and unavoidable The impurities are used for batching, among which, chromium, copper, titanium, nickel, iron and cerium are respectively calculated and batched in the form of zinc-chromium alloy, zinc-copper alloy, zinc-titanium alloy, zinc-nickel alloy, zinc-iron alloy and zinc-cerium alloy; among them, copper The mass ratio to aluminum is 2:1;

[0029] Melting, melting each material in an induction furnace at 550-600°C in a covered manner, and then raising the temperature to 650-750°C for refining to obtain alloy liquid;

[0030] Casting, the obtained alloy liquid is cast into an ingot at a constant temperature of 450-500°C, and after casting, it is cooled to 360-380°C at a constant speed of 0.5-1.0°C / second, then homogenized at a constant temperature f...

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PUM

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Abstract

The invention relates to extruded zinc alloy and a preparation method thereof. The extruded zinc alloy comprises the following components by weight percent: 0.3-0.5% of chromium, 0.8-1.2% of copper, 0.4-0.6% of aluminum, 0.18-0.22% of titanium, 0.001-0.003% of nickel, 0.003-0.008% of iron, 0.001-0.003% of cerium, and the balance of zinc and inevitable impurities. By the technical scheme, the corrosion resistance of the zinc alloy is improved when the creep resistance of the zinc alloy is improved.

Description

technical field [0001] The invention belongs to the field of zinc alloys, in particular to an extruded zinc alloy and a preparation method thereof. Background technique [0002] The low creep resistance of zinc alloy has always been one of the technical problems in the field of zinc alloy. Since the 1990s, in order to expand the application range of zinc alloys, a series of research and development have been carried out on zinc alloys. Through detailed analysis of the ratio of zinc alloy materials, improvement of smelting and processing technology, etc., Some progress has been made in the strength and creep resistance of materials, but these are mainly improvements in the performance of die-cast zinc alloys, but not much improvement in extruded zinc alloys. [0003] But on the whole, the improvement of the performance of zinc alloy mainly depends on the improvement of material ratio, smelting and processing technology to improve the comprehensive performance of zinc alloy i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C18/02C22C1/03C22F1/16
Inventor 柴本福
Owner 宁波香豪莱宝金属工业有限公司
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