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Single galvanizing-10% aluminum-rare earth alloy flux and use method thereof

A rare earth alloy and plating flux technology, applied in hot dip plating process, metal material coating process, coating and other directions, can solve the problems of polluting the environment, producing ammonia gas, etc., achieve uniform aluminum content, reduce galvanizing bath, The effect of saving resources

Inactive Publication Date: 2013-07-10
天津市盖尔发金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first two belong to more traditional plating fluxes, which are not suitable for single galvanizing-10% aluminum-mixed rare earth alloys, and are prone to ammonia gas, polluting the environment
The latter formula has no production and application effect data available

Method used

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  • Single galvanizing-10% aluminum-rare earth alloy flux and use method thereof
  • Single galvanizing-10% aluminum-rare earth alloy flux and use method thereof
  • Single galvanizing-10% aluminum-rare earth alloy flux and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: A single galvanizing -10% aluminum-rare earth alloy flux, including the following components by weight:

[0021] ZnCl 2 60kg

[0022] NH 4 Cl 5kg

[0023] NaOH 5kg

[0024] Metal oxide 1kg, including ZnO and Al 2 O 3 The ratio is 1:1.

Embodiment 2

[0025] Embodiment 2: A single galvanized -10% aluminum-rare earth alloy flux, including the following components by weight:

[0026] ZnCl 2 80kg

[0027] NH 4 Cl 15kg

[0028] NaOH 15kg

[0029] Metal oxide 10kg, of which ZnO and Al 2 O 3 The ratio is 1:3.

Embodiment 3

[0030] Embodiment 3: A single galvanizing -10% aluminum-rare earth alloy flux, including the following components by weight:

[0031] ZnCl 2 65kg

[0032] NH 4 Cl 10kg

[0033] NaOH 10kg

[0034] Metal oxide 3kg, of which ZnO and Al 2 O 3 The ratio is 1:2.

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PUM

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Abstract

The invention provides a single galvanizing-10% aluminum-rare earth alloy flux which has good assistant plating effect and use method thereof, is more environmentally-friendly and safer and can be used to obtain steel products with higher corrosion resistance. The technical scheme in the invention is that the formula of the single galvanizing-10% aluminum-rare earth alloy flux is characterized in that the flux comprises the following components in parts by weight: 60-80 parts of ZnCl2, 5-15 parts of NH4Cl, 5-15 parts of NaOH and 1-10 parts of metal oxides. The use method of the flux comprises the following steps: placing a wire, entering an ultrasonic degreasing cleaning tank, entering a rinsing tank, entering a flux tank, drying, entering a zinc-10% aluminum-rare earth alloy tank, wiping, cooling and winding the wire. The flux is used in the flux tank. The formula and use method provided by the invention have the following advantages and beneficial effects: the surface bonding of the coating and the steel material is tighter, the aluminum content of the coating is more than 10%, the weight of the coating is more than 400g / m<2>, the obtained steel material has excellent corrosion resistance and the service life of the steel material is more than 10 times that of the common galvanized steel material.

Description

Technical field [0001] The invention belongs to the technical field of surface plating of iron and steel materials, and in particular relates to a plating aid and a use method thereof. Background technique [0002] Corrosion of iron and steel products is a very common and serious problem, causing a huge loss of resources and a huge waste of engineering and manufacturing costs. The value of steel products that fail or are discarded every year due to corrosion is more than 50 billion. Therefore, how to strengthen and improve the corrosion resistance of steel products and reduce losses has always been the focus of research in this field. [0003] Surface galvanizing is the earliest anti-corrosion method applied, but the corrosion resistance of pure zinc layer is not good. Later, zinc-5% aluminum-mixed rare earth alloy coating was developed. The corrosion resistance of this coating is 3-5 times higher than that of pure zinc. With the continuous development of the market, zinc-10% alum...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C2/06C23C2/02
Inventor 巴志强
Owner 天津市盖尔发金属制品有限公司