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A kind of high-strength graphene rare-earth aluminum alloy

An aluminum alloy and graphene technology, applied in the metal field, can solve the problems affecting the plasticity of the aluminum alloy and the strength of the aluminum alloy to be improved, and achieve the effects of improving performance, improving adverse effects, and increasing recrystallization temperature.

Active Publication Date: 2019-03-19
ANHUI NANYANG NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a structural material, how to further improve the strength of aluminum alloy is one of the important directions of research. The effect of adding graphite, silicon carbide, boron carbide, etc. Plasticity, and with the improvement of people's performance requirements for aluminum alloys, the strength of aluminum alloys still needs to be improved

Method used

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Effect test

Embodiment 1

[0017] The high-strength graphene rare earth aluminum alloy proposed by the present invention includes an aluminum alloy matrix and graphene. The components of the aluminum alloy matrix include Cu: 1.8%, Si: 0.25%, Cr: 0.08%, Mg: 0.6%, Mn: 0.1%, Fe: 0.4%, Zn: 0.3%, Ti: 0.02%, V: 0.2%, Ni: 0.2%, Mo: 0.04%, Zr: 0.12%, Nd: 0.04%, La: 0.06%, Ce: 0.03%, the balance is Al.

Embodiment 2

[0019] The high-strength graphene rare earth aluminum alloy proposed by the present invention includes an aluminum alloy matrix and graphene. The components of the aluminum alloy matrix include Cu: 1.2%, Si: 0.18%, Cr: 0.2%, Mg: 0.8%, Mn: 0.2%, Fe: 0.3%, Zn: 0.5%, Ti: 0.06%, V: 0.1%, Ni: 0.1%, Mo: 0.07%, Zr: 0.05%, Nd: 0.08%, La: 0.04%, Ce: 0.05%, the balance is Al.

[0020] Among them, the content of graphene in the high-strength graphene rare earth aluminum alloy is 0.5%;

[0021] The fixed carbon content in graphene is 99.5%, and the particle size of graphene is 240 mesh.

Embodiment 3

[0023] The high-strength graphene rare earth aluminum alloy proposed by the present invention includes an aluminum alloy matrix and graphene. The components of the aluminum alloy matrix include Cu: 1.5%, Si: 0.21%, Cr: 0.14%, Mg: 0.72%, Mn: 0.15%, Fe: 0.35%, Zn: 0.42%, Ti: 0.04%, V: 0.14%, Ni: 0.15%, Mo: 0.055%, Zr: 0.08%, Nd: 0.06%, La: 0.05%, Ce: 0.04%, the balance is Al.

[0024] Among them, the content of graphene in the high-strength graphene rare earth aluminum alloy is 0.65%;

[0025] The fixed carbon content in graphene is 99.9%, and the particle size of graphene is 250 mesh.

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Abstract

The invention discloses a high-strength graphene and rare-earth aluminium alloy. The grapheme and rare-earth aluminium alloy comprises an aluminium alloy matrix and graphene. The composition of the aluminium alloy matrix comprises, by mass, 1.2-1.8% of Cu, 0.18-0.25% of Si, 0.08-0.2% of Cr, 0.6-0.8% of Mg, 0.1-0.2% of Mn, 0.3-0.4% of Fe, 0.3-0.5% of Zn, 0.02-0.06% of Ti, 0.1-0.2% of V, 0.1-0.2% of Ni, 0.04-0.07% of Mo, 0.05-0.12% of Zr, 0.04-0.08% of Nd, 0.04-0.06% of La, 0.03-0.05% of Ce, and the balance Al. The high-strength graphene and rare-earth aluminium alloy has good mechanical properties such as strength, toughness and the like.

Description

Technical field [0001] The invention relates to the technical field of metals, in particular to a high-strength graphene rare earth aluminum alloy. Background technique [0002] The reserves of aluminum in the earth's crust are extremely rich, accounting for about 7.45% of the total mass of the earth's crust, and its content ranks third after oxygen and silicon. Aluminum alloy has been widely used in aviation, aerospace, construction and other fields because of its good low density, high strength and good processing performance. As a structural material, how to further improve the strength of aluminum alloy is one of the important research directions. The common addition of graphite, silicon carbide, boron carbide, etc. to aluminum alloy to prepare aluminum-based composites has no obvious effect on improving the strength, and affects the aluminum alloy. With the improvement of people’s performance requirements for aluminum alloys, the strength of aluminum alloys needs to be impr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/18
CPCC22C21/14C22C21/16C22C21/18
Inventor 叶明高
Owner ANHUI NANYANG NEW MATERIAL TECH CO LTD
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