Aluminum alloy plate ingot rich in zinc and zirconium elements and preparation method of aluminum alloy plate ingot

A technology of aluminum alloy and aluminum ingot, applied in the field of aluminum alloy aluminum ingot, can solve the problems of ingot strength, plasticity, stress resistance and corrosion resistance at the same time, shorten the service life of heat exchanger, affect the quality of heat exchanger, etc. To achieve the effect of good plasticity, easy operation and simple steps

Inactive Publication Date: 2016-05-11
WUXI SHIDA PRECISION WELDED TUBE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the strength, plasticity, stress resistance and corrosion resistance of the ingot in the prior art cannot be ach

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0015] Example 1

[0016] A method for preparing an aluminum alloy aluminum ingot rich in zinc and zirconium elements includes the following steps:

[0017] a. Put the aluminum ingot into the melting furnace, the temperature of the melting furnace is increased to 740~760℃, and the aluminum ingot is completely melted to form a molten pool and carry out slag extraction;

[0018] b. After slagging, add Mn agent to the furnace; after the Mn agent in the furnace is completely melted, add Si agent, Fe agent and Cu agent to the furnace at the same time; Wait for the Si agent, Fe agent and Cu agent in the furnace to melt completely Then, add Zn ingot and Zr agent to the furnace; after the Zn ingot and Zr agent in the furnace are completely melted, an aluminum alloy mixed melt is obtained;

[0019] c. The temperature of the aluminum alloy mixed melt is controlled at 705~710℃ and then poured into the cavity of the casting mold moving forward at a constant speed for semi-continuous casting. The ...

Example Embodiment

[0023] Example 2

[0024] A method for preparing an aluminum alloy aluminum ingot rich in zinc and zirconium elements includes the following steps:

[0025] a. Put the aluminum ingot into the melting furnace, the temperature of the melting furnace is increased to 740~760℃, and the aluminum ingot is completely melted to form a molten pool and carry out slag extraction;

[0026] b. After slagging, add Mn agent to the furnace; after the Mn agent in the furnace is completely melted, add Si agent, Fe agent and Cu agent to the furnace at the same time; Wait for the Si agent, Fe agent and Cu agent in the furnace to melt completely Then, add Zn ingot and Zr agent to the furnace; after the Zn ingot and Zr agent in the furnace are completely melted, an aluminum alloy mixed melt is obtained;

[0027] c. The temperature of the aluminum alloy mixed melt is controlled at 705~710℃ and then poured into the cavity of the casting mold moving forward at a constant speed for semi-continuous casting. The ...

Example Embodiment

[0031] Example 3

[0032] A method for preparing an aluminum alloy aluminum ingot rich in zinc and zirconium elements includes the following steps:

[0033] a. Put the aluminum ingot into the melting furnace, the temperature of the melting furnace is increased to 740~760℃, and the aluminum ingot is completely melted to form a molten pool and carry out slag extraction;

[0034] b. After slagging, add Mn agent to the furnace; after the Mn agent in the furnace is completely melted, add Si agent, Fe agent and Cu agent to the furnace at the same time; Wait for the Si agent, Fe agent and Cu agent in the furnace to melt completely Then, add Zn ingot and Zr agent to the furnace; after the Zn ingot and Zr agent in the furnace are completely melted, an aluminum alloy mixed melt is obtained;

[0035] c. The temperature of the aluminum alloy mixed melt is controlled at 705~710℃ and then poured into the cavity of the casting mold moving forward at a constant speed for semi-continuous casting. The ...

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Abstract

The invention discloses an aluminum alloy plate ingot rich in zinc and zirconium elements and a preparation method of the aluminum alloy plate ingot. The aluminum alloy plate ingot comprises, by weight percentage, 0.6% of Si, 0.7% of Fe, 0.05-0.20% of Cu, 1.0-1.5% of Mn, 1.2-1.8% of Zn, 0.2% of Zr and the balance of Al and inevitable impurities. The preparation method includes: melting an aluminum ingot, adding the Mn agent, Si agent, Fe agent, Cu agent, Zn ingot and Zr agent, semi-continuously casting and annealing. The aluminum alloy plate ingot is high in strength, good in plasticity, good in stress resistance and corrosion resistance, and the like. The preparation method is simple in steps, easy to operate, and the like.

Description

technical field [0001] The invention discloses an aluminum alloy aluminum ingot rich in zinc and zirconium elements, and also discloses a preparation method of the aluminum alloy aluminum ingot rich in zinc and zirconium elements. Background technique [0002] A heat exchanger is an energy-saving device that realizes heat transfer between materials between two or more fluids at different temperatures. It transfers heat from a higher fluid to a lower temperature fluid, so that the fluid temperature reaches the process specification. It is one of the main equipments to meet the needs of process conditions and improve energy efficiency. The heat exchanger industry involves nearly 30 industries such as HVAC, pressure vessels, and reclaimed water treatment equipment, forming an industrial chain with each other. [0003] The heat exchanger fin is the main part of the heat exchanger components, and its quality directly determines the quality of the heat exchanger. Slab ingots are...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C21/10C22C1/02C22F1/04C22F1/053F28F21/08
CPCC22C21/00C22C1/026C22C21/10C22F1/04C22F1/053F28F21/084
Inventor 姚昌权
Owner WUXI SHIDA PRECISION WELDED TUBE MFG CO LTD
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