High-strength graphene and rare-earth aluminium alloy

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

Active Publication Date: 2017-09-15
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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Examples

Experimental program
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Effect test

Embodiment 1

[0017] A high-strength graphene rare earth aluminum alloy proposed by the present invention includes an aluminum alloy matrix and graphene, and 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%, and the balance is Al.

Embodiment 2

[0019] A high-strength graphene rare earth aluminum alloy proposed by the present invention includes an aluminum alloy substrate and graphene, and the components of the aluminum alloy substrate 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%, and 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 the graphene is 99.5%, and the particle size of the graphene is 240 mesh.

Embodiment 3

[0023] A high-strength graphene rare earth aluminum alloy proposed by the present invention includes an aluminum alloy matrix and graphene, and 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%, and 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 is widely used in aviation, aerospace, construction and other fields due to 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 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. Contents of the invention [0003] Based on the technical problems existing in the background technology, the...

Claims

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Application Information

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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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