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High-strength fracture prevention air conditioner radiator aluminum alloy sheet and molding technique thereof

A technology of aluminum alloy sheet and forming process, applied in the direction of damage protection, heat exchange equipment, lighting and heating equipment, etc., can solve the problems of weak tensile strength, poor electrical conductivity, poor mechanical properties, etc., to increase fluidity and reduce Porosity and slag inclusion phenomenon, effect of improving yield

Inactive Publication Date: 2016-11-09
ANHUI TIANXIANG AIR CONDITIONING SCI & TECH CO LTD
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Problems solved by technology

At present, the aluminum foil of air conditioner radiator mainly has poor mechanical properties, such as tensile strength (140Rm / MPa), yield strength (100R 0.2 / MPa), weak hardness (9-12 degrees), poor electrical conductivity, poor thermal conductivity, poor plasticity, etc.

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  • High-strength fracture prevention air conditioner radiator aluminum alloy sheet and molding technique thereof

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Embodiment Construction

[0021] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0022] A high-strength anti-fracture aluminum alloy sheet for air conditioner radiator. The chemical element composition and the optimal mass percentage contained in the aluminum alloy sheet for air conditioner radiator are: Cr: 0.15-0.30 parts; Mg: 0.18-0.25 parts; Cu :0.3-0.15 parts; Zn: 1.3-1.65 parts; Hg: 0.13-0.15 parts; V: 0.08-0.12 parts; Zr: 0.20-0.24 parts; Nb: 0.03-0.04 parts; Fe: 0.01-0.02 parts; aluminum alloy 0.2-0.4 parts of modifier, the remainder is Al.

[0023] As a preferred solution of the aluminum alloy modifier: the aluminum alloy modifier is one or a mixture of Na salt, rare earth and P-mad...

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Abstract

The invention discloses a high-strength fracture prevention air conditioner radiator aluminum alloy sheet. The high-strength fracture prevention air conditioner radiator aluminum alloy sheet comprises the chemical elements of, by mass, 0.12-0.36 part of Cr, 0.15-0.30 part of Mg, 0.21-0.55 part of Cu, 1.22-1.77 parts of Zn, 0.11-0.18 part of Hg, 0.07-0.15 part of V, 0.15-0.28 part of Zr, 0.02-0.06 part of Nb, 0.01-0.03 part of Fe, 0.1-0.5 part of an aluminum alloy leavening agent, and the balance Al. Through addition of Nb and other elements, smell and impurities in alloy are reduced, mobility is improved, ingot formation through pouring is facilitated, and the technical performance is remarkably influenced. Grains of the aluminum alloy sheet are refined, high strength and impact toughness are achieved, the probability of cracks can be reduced through addition of Hg, and the aluminum alloy sheet has good corrosion resistance. By means of a production method, the phenomena of layering, peeling, bubbling and cracking of aluminum alloy are reduced, and the rate of finished products is increased. A refining agent is good in refining effect, so that the phenomena of pores and slag inclusion are reduced remarkably.

Description

Technical field [0001] The invention relates to the technical field of air-conditioning radiators, in particular to a high-strength anti-fracture air-conditioning radiator aluminum alloy sheet and its forming process. Background technique [0002] The air conditioner radiator is a key component of the air conditioner, which is related to the working efficiency and service life of the air conditioner. Moreover, with the miniaturization of household air conditioners and the reduction of manufacturing costs, the thickness of the aluminum alloy sheets of air conditioner radiators is getting thinner and thinner, and it is developing in the direction of thinning, hardening, and high precision, requiring new alloys and new processing technologies. And the new height of quality. The processing precision of aluminum alloy sheets for air conditioning radiators is high, and the aluminum alloy sheets are required to have good plasticity and high strength. At present, the aluminum foil of a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/10C22C1/06F28F3/00F28F19/00
CPCC22C21/10C22C1/06F28F3/00F28F19/00
Inventor 骆宣佐
Owner ANHUI TIANXIANG AIR CONDITIONING SCI & TECH CO LTD
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