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Aluminum alloy material with good heat dissipation performance for radiator of air-conditioner and manufacturing method thereof

The technology of an aluminum alloy material and manufacturing method, which is applied in the field of aluminum alloy, can solve the problems of poor thermal conductivity, low cost, poor fluidity and castability, etc., and achieve the effect of good heat dissipation and light weight

Active Publication Date: 2013-10-16
ANHUI TIANXIANG AIR CONDITIONING SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cost of aluminum alloy castings is low, but the thermal conductivity of generally cast aluminum alloy structural parts is not high, usually around 90 W / m·K, so that the thermal conductivity is poor. Currently, pure aluminum (purity > 99% or more) is commonly used ), although the thermal conductivity is high (> 220 W / m K), its fluidity and castability are not good, and it is too soft, difficult to process, and easy to deform

Method used

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Embodiment Construction

[0009] Aluminum alloy material for air conditioner radiator with good heat dissipation, the weight percentage of its constituent elements is: silicon 9.3-9.5, copper 0.5-0.7, magnesium 1.2-1.4, manganese 3.2-3.5, zinc 0.3-0.5, V1.1- 1.2, Ta0.24-0.28, Ni1.1-1.3, W0.40-0.46, Tm0.04-0.06, Bi0.06-0.08, Sb0.04-0.08, the balance is aluminum.

[0010] The manufacturing method includes smelting, slag removal, detection and adjustment of alloy composition, adding refining agent for refining, and casting, which is characterized in that: after casting, the temperature is lowered to 320-345°C at a rate of 160-180°C / hour, and the temperature is kept for 4-6 hours; then , then cool down to room temperature at a rate of 55-75°C / hour; store for 20-30 hours; then raise the temperature to 520-550°C at a rate of 150-170°C / hour, and keep warm for 3-4 hours; then use 80-00°C / hour Cool down to 360-380°C and keep warm for 2-3 hours; then raise the temperature to 180-210°C at a rate of 80-90°C / hour, ...

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Abstract

The invention provides an aluminum alloy material with good heat dissipation performance for a radiator of an air-conditioner. The aluminum alloy material is characterized by comprising the following components: on the basis of weight percentage, 9.3 to 9.5 of Si, 0.5 to 0.7 of Cu, 1.2 to 1.4 of Mg, 3.2 to 3.5 of Mn, 0.3 to 0.5 of Zn, 1.1 to 1.2 of V, 0.24 to 0.28 of Ta, 1.1 to 1.3 of Ni, 0.40 to 0.46 of W, 0.04 to 0.06 of Tm, 0.06 to 0.08 of Bi and 0.04 to 0.08 of Sb, with the balance being Al. The material for the radiator provided by the invention has the characteristics of light weight, good heat dissipation capability, etc. and also guarantees mechanical properties like strength and hardness of a product.

Description

technical field [0001] The invention belongs to an aluminum alloy, in particular to an aluminum alloy material for an air-conditioning radiator. Background technique [0002] Most of the heat dissipation structural parts of air conditioners are made of aluminum alloy, including castings, extruded parts, stamping parts and forging parts. The cost of aluminum alloy castings is low, but the thermal conductivity of generally cast aluminum alloy structural parts is not high, usually around 90 W / m·K, so that the thermal conductivity is poor. Currently, pure aluminum (purity > 99% or more) is commonly used ), although the thermal conductivity is high (> 220 W / m·K), its fluidity and castability are not good, and it is too soft, difficult to process, and easy to deform. At present, the study of casting aluminum alloys with high thermal conductivity and high strength is very important for air-conditioning radiators. Contents of the invention [0003] The object of the presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C1/06C22F1/043
Inventor 骆宣佐
Owner ANHUI TIANXIANG AIR CONDITIONING SCI & TECH CO LTD
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