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Hot-dipping technological method and device for preparing component gradient alloy material

A technology of alloy materials and process methods, applied in hot-dip plating process, metal material coating process, coating, etc., can solve the problems of difficult element composition screening, long alloy sample preparation cycle, slow element range screening, etc., to achieve Wide applicability, low cost and high efficiency

Active Publication Date: 2016-08-10
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the efficiency of the traditional semi-empirical development process is low: the preparation cycle of alloy samples is long, the selection of element range is slow, and the selection of optimal element composition is difficult

Method used

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  • Hot-dipping technological method and device for preparing component gradient alloy material
  • Hot-dipping technological method and device for preparing component gradient alloy material
  • Hot-dipping technological method and device for preparing component gradient alloy material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Experiments were carried out using hot-dip plating equipment for preparing composition graded alloy materials as attached figure 1 , with a length of 20 m and a diameter of 1 mm steel wire as the base material, installed on the dipping equipment. The plating solution alloy with the composition of 55Al–43.4Zn–1.6Si was completely melted and stirred evenly in a zinc pot, and the melting temperature of the plating solution alloy was 610 °C. Submerge the sinking roller and the annealing furnace of the immersion plating assembly in the plating solution, and continuously fill the annealing furnace with hydrogen pressure mixed gas (10%H 2 +90%N 2 ). Clean the surface of the steel wire with alkaline solution and acid solution to remove the oil and scale on the surface and expose the fresh Fe matrix. The cleaned steel wire was reductively annealed through an annealing furnace at 850 °C at a delivery rate of 1.0 m / min. After the steel wire is annealed, it enters the zinc pot ...

Embodiment 2

[0028] Experiments were carried out using hot-dip plating equipment for preparing composition graded alloy materials as attached figure 1 , using a steel strip with a length, width, and thickness of 15 m × 0.10 m × 0.01 m as the base material, which is installed on the dipping equipment. The plating solution alloy with the composition of 55Al–43.4Zn–1.6Si was completely melted and stirred evenly in a zinc pot, and the melting temperature of the plating solution alloy was 630 °C. Submerge the sinking roll and annealing furnace of the immersion-plating components in the plating solution, and continuously fill the annealing furnace with hydrogen-nitrogen mixed gas (10%H 2 +90%N 2 ). Clean the surface of the steel strip with alkaline solution and acid solution to remove the oil and scale on the surface and expose the fresh Fe matrix. The cleaned steel strip is conveyed at a speed of 0.6 m / min through an annealing furnace at 750 °C for reduction annealing. After the steel strip...

Embodiment 3

[0030] Experiments were carried out using hot-dip plating equipment for preparing composition graded alloy materials as attached figure 1 , with a length of 20 m and a diameter of 1 mm copper wire as the base material, installed on the immersion plating equipment. The alloy liquid with a composition of 99.5Mg–0.5Zr is completely melted in a crucible and stirred evenly. The alloy melting temperature is 680 °C, and it is used on the surface of the alloy liquid. Submerge the sinking roll and annealing furnace of the immersion-plating components in the plating solution, and continuously fill the annealing furnace with hydrogen-nitrogen mixed gas (10%H 2 +90%N 2 ). Clean the surface of copper wire with alkaline solution and acid solution to remove the oil and scale on the surface and expose the fresh Cu matrix. The cleaned copper wire was reductively annealed through an annealing furnace at 800 °C at a delivery rate of 1.2 m / min. After the copper wire is annealed, it enters the...

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Abstract

The invention relates to a hot-dipping technological method and device for preparing a component gradient alloy material. According to the method, the alloy material is directly prepared on the surface of a base material, and the component gradient coating alloy or magnesium alloy is prepared rapidly. The method specifically includes the following steps that (1) a steel (or nickel or copper or other high-melting-point material) wire or band serves as the base material; (2) the alloy is melted in a crucible; (3) after being subjected to surface treatment, the base material penetrates through molten alloy for hot dipping; (4) alloy elements are added to change the components of the molten metal; and (5) the alloy material with the components varying in the motion direction of the base material is obtained. By means of the method, a large number of component gradient alloy coatings within a certain component range can be prepared within a short period, and the prepared finished products can be used as samples for a high-throughput experiment. Compared with other preparation methods for samples of the high-throughput experiment, the method is high in efficiency and low in cost, and the prepared material can be subjected to subsequent machining.

Description

technical field [0001] The invention belongs to the technical field of alloy preparation, and relates to a preparation method and related equipment of a gradually changing alloy. Background technique [0002] Hot-dip metal coating is often used for anti-corrosion treatment of steel to improve the service life of steel. Metal-coated steel is widely used in many fields such as construction industry, automobile, household appliances, shipbuilding industry, electrical industry and so on. In order to improve the corrosion resistance, yield and aesthetics of the coating, alloy elements such as magnesium, titanium, vanadium, nickel, chromium, and rare earth are added to the plating solution in actual production. However, the hot-dip coating process is complicated, the preparation cost is high, and the development cycle of new coatings is long. [0003] As a low-density and lightweight material, magnesium alloys are widely used in aviation, aerospace, automobiles, machinery manufa...

Claims

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Application Information

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IPC IPC(8): C23C2/04C23C2/38C23C2/40C23C2/12
CPCC23C2/003C23C2/04C23C2/12C23C2/38C23C2/40
Inventor 李谦刘蔚冯钰钧林羲周佳为刘成张捷宇周国治
Owner SHANGHAI UNIV
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