High-strength die-cast aluminum-titanium alloy

A technology of titanium alloy and cast aluminum, which is applied in the field of high-strength die-cast aluminum-titanium alloy to achieve good corrosion resistance and heat resistance

Inactive Publication Date: 2013-11-27
TIANHEXING METAL & PLASTIC SHENZHEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In actual use, if this aluminum-lithium alloy is used as a plate, its fatigue-free crack life is improved and the short crack growth rate is reduced. However, when it is used as a die-casting material, it does not perform very well in these two aspects. good

Method used

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  • High-strength die-cast aluminum-titanium alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A high-strength die-cast aluminum-titanium alloy, including the following components in weight percentage: 18% zinc; 3% silicon; 2% copper; 0.1% manganese; 0.02% titanium; 0.01% gallium; and reasonable impurities.

Embodiment 2

[0016] A high-strength die-cast aluminum-titanium alloy, including the following components in weight percentage: 20% zinc; 4% silicon; 4% copper; 0.2% manganese; 0.3% titanium; 0.03% gallium; and reasonable impurities.

Embodiment 3

[0018] A high-strength die-cast aluminum-titanium alloy, including the following components in weight percentage: zinc 24%; silicon 5%; copper 5%; manganese 0.4%; titanium 0.5%; gallium 0.05%; cerium 0.05%; and reasonable impurities.

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PUM

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Abstract

The invention discloses a high-strength die-cast aluminum-titanium alloy. The alloy consists of the following components in percentage by weight: 18-34% of zinc, 3-8% of silicon, 2-7% of copper, 0.1-0.6% of manganese, 0.02-1% of titanium, 0.01-0.08% of gallium, 0.01-0.08% of cerium, and the balance of aluminum and reasonable impurities. The high-strength die-cast aluminum-titanium alloy has advantages of excellent fatigue resistance, crack propagation resistance, corrosion resistance and heat resistance.

Description

technical field [0001] The invention relates to a die-casting aluminum-titanium alloy, in particular to a high-strength die-casting aluminum-titanium alloy. Background technique [0002] Today's die-casting aluminum alloy technology is quite mature, but due to the simple geometry and low mechanical properties of die-casting aluminum alloy, the application range is limited to a certain extent. In order to meet the needs of large-scale production of general decorative parts with certain mechanical properties and good corrosion resistance, my country urgently needs high-strength die-cast aluminum-titanium alloys. [0003] Chinese patent document CN1084225 discloses an aluminum-titanium alloy used for locks and decorative materials, containing 0.50-1.20% (weight) of magnesium, 1.80-2.30% (weight) of manganese, 0.05-0.15% (weight) of titanium, and iron, The total amount of copper and zinc is less than 1.00% (by weight), and the rest is aluminum. The alloy has the characteri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/10
Inventor 张志勇
Owner TIANHEXING METAL & PLASTIC SHENZHEN CO LTD
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