Light metal-base laminar composite and preparation method thereof

A layered composite material and composite material technology, applied in the field of graphene-enhanced light metal-based layered composite materials and its preparation, can solve the problems of high cost of plates, inability to prepare large-sized ones, and uneven distribution of graphene, etc., to achieve Low cost, improved strength and toughness, obvious effect

Inactive Publication Date: 2017-11-07
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The previous methods to prepare graphene-added light metal layered composite materials may have uneven distribution of graphe

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] This embodiment provides a method for preparing a pure magnesium / pure aluminum layered metal composite material, comprising the following steps:

[0025] Step 1: Treat the surface of the pure magnesium board and the pure aluminum board, remove surface oxides and grease, etc., and polish the surface with a wire brush after drying to obtain a metal substrate to be processed with a certain roughness; the pure magnesium board and The thickness of pure aluminum plate is 2mm;

[0026] Step 2: Add graphene nanosheets into acetone, use ultrasonic equipment to disperse graphene nanosheets evenly in acetone for 2 hours, use a spray gun to evenly spray graphene nanosheets on the pure magnesium plate in step 1, and then Covering the pure aluminum plate in step 1 to obtain a composite plate in which graphene nanosheets are alternately arranged with magnesium plates and aluminum plates in step 1; wherein the graphene nanosheets account for 1.5% of the overall mass percentage of the c...

Embodiment 2

[0030] This embodiment provides a method for preparing an aluminum alloy / titanium alloy layered metal composite material, comprising the following steps:

[0031] Step 1: Treat the surface of the aluminum alloy plate and titanium alloy plate to remove surface oxides and grease, etc. After drying, polish the surface with a wire brush to obtain a metal substrate to be processed with a certain roughness; the aluminum alloy plate And the thickness of the titanium alloy plate is 1mm;

[0032] Step 2: Add graphene nanosheets into acetone, use ultrasonic equipment to disperse graphene nanosheets evenly in acetone, time 2h, use spray gun to evenly spray graphene nanosheets on the aluminum alloy plate in step 1, and then Covering the titanium alloy plate in step 1 to obtain a composite plate in which graphene nanosheets are alternately arranged with the aluminum alloy plate and titanium alloy plate in step 1; wherein the graphene nanosheet accounts for 1% of the overall mass percentage...

Embodiment 3

[0038] This embodiment provides a method for preparing a magnesium alloy / pure titanium layered metal composite material, comprising the following steps:

[0039] Step 1: Treat the surface of the magnesium alloy plate and pure titanium plate to remove surface oxides and grease, etc. After drying, polish the surface with a wire brush to obtain a metal substrate to be processed with a certain roughness; the magnesium alloy plate And the thickness of pure titanium plate is 1.5mm;

[0040] Step 2: Add the graphene nanosheets into acetone, use ultrasonic equipment to disperse the graphene nanosheets evenly in the acetone for 2 hours, use a spray gun to evenly spray the graphene nanosheets on the magnesium alloy plate in step 1, and then Covering the pure titanium plate in step 1 to obtain a composite plate in which graphene nanosheets are alternately arranged with magnesium alloy plates and pure titanium plates in step 1; wherein the graphene nanosheets account for 1% of the overall m...

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Abstract

The invention relates to a light metal-based composite material and a preparation method thereof, comprising a layered light metal and graphene nanosheets distributed in the layered metal, the light metal-based composite material comprising at least two heterogeneous light metal substrate metal layers and At least one composite layer is alternately arranged, and the composite layer is located between two layers of heterogeneous light metal substrate metal layers; the light metal-based composite material is cold rolled, or warm rolled, or hot rolled, or electroplastically rolled, or It is prepared by the method of warm rolling + electroplastic rolling. The light metal base layer composite material prepared by the method of the invention has higher strength and toughness, and can realize large-scale production of layered composite boards, with simple process and relatively low cost.

Description

technical field [0001] The invention relates to a metal layered composite material and a preparation method thereof, in particular to a graphene-enhanced light metal layered composite material and a preparation method thereof. Background technique [0002] Metal layered composite material refers to a material formed by the metallurgical combination of two or more metals using material composite technology. The dissimilar metals in the metal layered composite material are distributed in layers, which have better performance than each single metal, forming a composite effect. The combination of different metals can be rationally used to make the metal layered composite material have special properties, so it has broad application prospects in many special fields. [0003] Magnesium and magnesium alloys are currently one of the lightest metal structural materials in practical applications, with low density, high specific strength and specific stiffness, good high temperature r...

Claims

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Application Information

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IPC IPC(8): B32B15/01B21B47/00B21B1/38B21B33/00
CPCB32B15/017B21B1/38B21B47/00B21B2001/386B32B15/01B32B33/00B32B2255/06B32B2255/20B32B2307/558
Inventor 江鹏袁同心吴王平李晓艳王知鸷
Owner CHANGZHOU UNIV
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