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Non-spangle friction-resisting hot dipping K-S-B zinc aluminum alloy and machining process

A K-S-B, zinc-aluminum alloy technology, applied in the field of alloys, can solve the problems of poor environmental protection measures, low product output, high production costs, etc., and achieve the effects of no environmental pollution, low construction costs, and reduced intergranular corrosion

Inactive Publication Date: 2018-08-14
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing hot-dip galvanized aluminum production lines have disadvantages such as backward technology, low product output, poor product quality, high production cost, high energy consumption, weak environmental protection measures, and often cause serious environmental pollution. Such production lines cannot meet the needs of my country's national economic take-off need

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A K-S-B zinc-aluminum alloy for spangle-free friction-resistant hot-dip plating. In terms of weight percentage, the composition of the alloy is K:0.2wt.%, Mg:2.0wt.%, Ca:1.0wt.%, Al:20.0wt.%, Se:0.2wt.%, In:0.6wt.%. , B: 0.1wt.%, S: 0.2wt.%, the balance is zinc. The weight loss of the zinc alloy due to volatilization and slag formation during the smelting process is about 1.0-2.0wt.%. The preparation method of the above-mentioned K-S-B zinc-aluminum alloy for spangle-resistant friction-resistant hot-dip coating includes the following steps: adding the above-mentioned raw materials into an argon-protected induction furnace, and using a silicon carbide crucible; Add it into an induction furnace protected by the atmosphere, and use a silicon carbide crucible; induction heat to 500-600 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; keep the alloy liquid at 500-600 degrees for 10 minutes Afterwards, it is ...

Embodiment 2

[0022]A K-S-B zinc-aluminum alloy for spangle-free friction-resistant hot-dip plating. In terms of weight percentage, the composition of the alloy is K:0.3wt.%, Mg:2.5wt.%, Ca:1.8wt.%, Al:28.0wt.%, Se:0.3wt.%, In:0.8wt.% , B: 0.2wt.%, S: 0.3wt.%, the balance is zinc. The weight loss of the zinc alloy due to volatilization and slag formation during the smelting process is about 1.0-2.0wt.%. The preparation method of the above-mentioned K-S-B zinc-aluminum alloy for spangle-resistant friction-resistant hot-dip coating includes the following steps: adding the above-mentioned raw materials into an argon-protected induction furnace, and using a silicon carbide crucible; Add it into an induction furnace protected by the atmosphere, and use a silicon carbide crucible; induction heat to 500-600 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; keep the alloy liquid at 500-600 degrees for 10 minutes Afterwards, it is ca...

Embodiment 3

[0025] A K-S-B zinc-aluminum alloy for spangle-free friction-resistant hot-dip plating. In terms of weight percentage, the composition of the alloy is K:0.2wt.%, Mg:2.4wt.%, Ca:1.5wt.%, Al:25.0wt.%, Se:0.2wt.%, In:0.6wt.% , B: 0.1wt.%, S: 0.2wt.%, the balance is zinc. The weight loss of the zinc alloy due to volatilization and slag formation during the smelting process is about 1.0-2.0wt.%. The preparation method of the above-mentioned K-S-B zinc-aluminum alloy for spangle-resistant friction-resistant hot-dip coating includes the following steps: adding the above-mentioned raw materials into an argon-protected induction furnace, and using a silicon carbide crucible; Add it into an induction furnace protected by the atmosphere, and use a silicon carbide crucible; induction heat to 500-600 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; keep the alloy liquid at 500-600 degrees for 10 minutes Afterwards, it is c...

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Abstract

The invention discloses a non-spangle friction-resisting hot dipping K-S-B zinc aluminum alloy and a machining process. The alloy comprises, by weight percent, 0.2 to 0.3% of K, 2.0to 2.5% of Mg, 1.0to 1.8% of Ca, 20.0 to 28.0% of Al, 0.2 to 0.3% of Se, 0.6 to 0.8% of In, 0.1 to 0.2% of B, 0.2 to 0.3% of S and the balance zinc. The hot dipping K-S-B zinc aluminum alloy and the process of the alloy solve the key problem in the hot-dip galvanizing aluminum alloy application research and industrialization, a final product has the excellent corrosion resistance property and the non-spangle surface state, and the material can be widely applied in the near future.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc-aluminum alloy. Background technique [0002] More than 90% of the shipping capacity in international trade is transported by sea. Offshore platforms are an important pillar for the development of oil and gas resources, and offshore wind power is a new energy source that has been vigorously developed in recent years. Therefore, vigorously developing marine engineering anticorrosion materials and technologies is of great significance for ensuring the safety and reliability of marine engineering and ships in service, reducing the occurrence of major catastrophic accidents, and prolonging the service life of marine structures. [0003] The corrosion problem of infrastructure and important industrial facilities serving in the marine environment is serious, especially the corrosion problem of ships and offshore platforms is more prominent. Corrosion has become the most importan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C18/04C22C1/02C23C2/06
CPCC22C18/04C22C1/02C23C2/06
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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