Al-Zn-Nb-Sb-Te low-zinc high-performance hot-dip-coating layer materials

An al-zn-nb-sb-te, high-performance technology, applied in the field of aluminum alloy coating materials, can solve problems such as easy to rise and hard to fall, low aluminum prices, rising water, etc., to achieve the optimization of organizational structure and improve comprehensive performance Effect

Inactive Publication Date: 2013-06-05
贵州铝厂有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The industry has already concluded that "zinc is a scarce resource in the 21st century". The financial crisis can only temporarily alleviate the situation of zinc shortage, but it cannot stop the development trend of further expansion of the gap between supply and demand. This situation will inevitably lead to high zinc prices and easy Difficult to rise, as well as the downturn in aluminum prices and weak rising water

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] (1) Select a group of elements according to the formula, according to the weight percentage: Zn: 15, polarization modifier Be: 0.01, alloy strengthening agent Li: 1.0, Nb: 0.05, Sb: 0.1, grain refiner Ti -B: 0.01, rare earth additives Er: 0.1, Te: 0.01, the rest is Al; the total amount of alloy prepared is 1000kg, then the weight of each material required is calculated as: Zn: 150kg, Be: 0.1 kg, Li : 10 kg, Nb: 0.5 kg, Sb: 1 kg, Ti-B: 0.1 kg, Er: 1 kg, Te: 0.1 kg, Al: 837.2 kg.

[0013] (2) First add aluminum ingots or molten aluminum into the melting furnace, heat it to melt it completely and keep it warm at 700-800°C;

[0014] (3) Add Te, Nb, Sb, polarization modifier, grain refiner, alloy strengthening agent and rare earth additive according to the formula, and finally add zinc and stir evenly; on-site sampling analysis, according to the analysis results and formula range, Adjust the addition amount; then continue smelting and stirring, and take samples for analysis...

Embodiment 2

[0019] Select a group of elements according to the formula, according to the percentage by weight: Zn: 22.5, polarization modifier Ba: 0.17, alloy strengthening agent Mg: 3.0, Nb: 0.065, Sb: 0.2, grain refiner (Co-B +Cr-B): 0.02, rare earth additive (Sm+Ho+Lu): 0.12, Te: 0.03, and the rest is Al; the total amount of alloy prepared is 1000kg, and the weight of each substance required is calculated as: Zn : 225kg, Ba: 1.7 kg, Mg: 30 kg, Nb: 0.65 kg, Sb: 2 kg, Co-B: 0.1 kg, Cr-B: 0.1 kg, rare earth additive Sm: 0.4 kg,, Ho: 0.4kg, Lu: 0.4 kg, Te: 0.3 kg, Al: 728.95 kg.

[0020] All the other steps are the same as in Example 1.

Embodiment 3

[0022] Select a group of elements according to the formula, according to the percentage by weight: Zn: 30, polarization modifier Ca: 0.25, alloy strengthening agent Cu: 4.0, Nb: 0.08, Sb: 0.3, grain refiner (Mo-B+ Nb-B+Ni-B): 0.03, rare earth additive (Tm+Yb+Lu+Sc): 0.15, Te: 0.05, and the rest is Al; the total amount of the prepared alloy is 1000kg, and each substance required is calculated The weight is: Zn: 300kg, Ca: 2.5 kg, Cu: 40 kg, Nb: 0.8 kg, Sb: 3kg, Mo-B: 0.1kg, Nb-B: 0.1kg, Ni-B: 0.1kg, Tm: 0.3kg, Yb: 0.2kg, Lu: 0.4kg, Sc: 0.6kg, Te: 0.5kg, Al: 654.37kg.

[0023] All the other steps are the same as in Example 1.

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PUM

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Abstract

The invention discloses Al-Zn-Nb-Sb-Te low-zinc high-performance hot-dip-coating layer materials. According to element weight percentage, alloy constituent is that Zn: 15-30, polarization alterant: 0.01-0.25, alloy enhancer: 1.0-4.0, Nb: 0.05-0.08, Sb: 0.1-0.3, grain refiner: 0.01-0.03, rare earth additives: 0.1-0.15, Te: 0.01-0.05, and the rest of the alloy constituent is Al and inevitable micro impurity. The invention further provides high-aluminum low-zinc high-performance hot-dip-coating layer materials.

Description

technical field [0001] The invention relates to an aluminum alloy coating material, in particular to an Al-Zn-Nb-Sb-Te low-zinc high-performance hot-dip coating material. Background technique [0002] Substituting aluminum for zinc has a good technical foundation in the hot-dip coating industry. Various proportions of aluminum-zinc alloy coating materials have been studied, and several zinc-aluminum coating alloys and coatings with better performance than pure zinc have been developed. Aluminum-zinc coating alloys have been widely used. For example, the aluminum-zinc coating alloys with aluminum content of 5%, 15% and 55% developed by the United States, Japan and European countries have excellent protection ability for steel products. Based on pure zinc, it has formed an industrial scale, accumulated rich experience for the development of the technology of substituting aluminum for zinc, and paved the way for the further development of new substituting zinc materials; on the...

Claims

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Application Information

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IPC IPC(8): C22C21/10C23C2/12
Inventor 门三泉车云陈凯
Owner 贵州铝厂有限责任公司
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