Fe(CO)5 modified hot-dip coating material

A layer material, hot dip technology, applied in hot dip plating process, metal material coating process, coating and other directions, can solve the problems of water premium, low aluminum price, high zinc price and so on

Inactive Publication Date: 2013-06-12
GUIZHOU HUAKE ALUMINUM MATERIAL ENG TECH RES
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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

[0013] (1) Select a group of elements according to the formula, according to the percentage by weight: Zn: 25, Ba: 0.15, Li: 1.5, Nb: 0.05, Sb: 0.1, grain refiner Ti-B: 0.01, rare earth additives Yb: 0.1, the rest is Al and unavoidable trace impurities; modifier Fe(CO) 5 It is 1% of the total charge; the total amount of alloy prepared is 1000kg, then the weight of each substance required is calculated as: Zn: 250kg, Ba: 1.5 kg, Li: 15 kg, Nb: 0.5 kg, Sb: 1 kg, Ti-B: 0.1 kg, Yb: 1 kg, Al: 730.9kg, Fe(CO) 5 : 10 kg;

[0014] (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;

[0015] (3) Add other substances according to the formula, and finally add zinc and stir evenly; take samples and analyze on site, adjust the addition amount according to the analysis results and formula range; then continue smelting and stirring, and sample and analyze again until the ratio of each element is completely ...

Embodiment 2

[0019] 1) Select a group of elements according to the formula, according to the percentage by weight: Zn: 27.5, Ba: 0.2, Li: 1.75, Nb: 0.065, Sb: 0.2, grain refiner Mo-B: 0.02, rare earth additive Lu :0.125, the rest is Al and unavoidable trace impurities; modifier Fe(CO) 5 It is 1.1% of the total charge; the total amount of alloy prepared is 1000kg, then the weight of each substance required is calculated as: Zn: 275kg, Ba: 2 kg, Li: 17.5 kg, Nb: 0.65 kg, Sb: 2 kg, Mo-B: 0.2 kg, Lu: 1.25 kg, Al: 701.4 kg; Fe(CO) 5 : 11kg;

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

Embodiment 3

[0022] 1) Select a group of elements according to the formula, according to the percentage by weight: Zn: 30, Ba: 0.25, Li: 2.0, Nb: 0.08, Sb: 0.3, grain refiner Cr-B: 0.03, rare earth additive Nd +Gd: 0.15, the rest is Al; modifier Fe(CO) 5 It is 1.2% of the total charge; the total amount of alloy prepared is 1000kg, then the weight of each substance required is calculated as: Zn: 300kg, Ba: 2.5 kg, Li: 20 kg, Nb: 0.8 kg, Sb: 3 kg, Cr-B: 0.3 kg, Nd: 0.5kg, Gd: 1.0 kg, Al: 671.9kg; modifier Fe(CO) 5 It is 12kg of the total charge.

[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 a Fe(CO)5 modified hot-dip coating material. Based on weight percentage, the alloy is composed of 25%-30%Zn, 0.15%-0.25% of Ba, 1.5%-2.0% of Li, 0.05%-0.08% of Nb, 0.1%-0.3% of Sb, 0.01%-0.03% of a grain refining agent, 0.1%-0.15% of rear earth additives, and the balance being Al and inevitable trace impurities; and a modifier Fe (CO) 5 accounts for 1%-1.2% of the total amount of furnace charging materials. The invention provides a high aluminum, low zinc hot-dip high-performance coating material, comprehensively modified Al-Zn coating material, so that the use amount of Zn is only 25-30%, and the use amount of Al is increased to over 60%.

Description

technical field [0001] The invention relates to an aluminum alloy coating material, in particular to a Fe(CO) 5 Deteriorated 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 other hand, after ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/10C22C1/06C23C2/12
Inventor 车云门三泉张中可
Owner GUIZHOU HUAKE ALUMINUM MATERIAL ENG TECH RES
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