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Preparation method of heterogeneous layered aluminum-based composite material

An aluminum-matrix composite material and an aluminum-matrix composite technology, applied in the field of preparation of heterogeneous layered aluminum-matrix composite materials, can solve the problems of limited strength improvement

Active Publication Date: 2020-07-07
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such treatment only exerts the advantages of its own performance, and the improvement of strength is limited.

Method used

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  • Preparation method of heterogeneous layered aluminum-based composite material
  • Preparation method of heterogeneous layered aluminum-based composite material
  • Preparation method of heterogeneous layered aluminum-based composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Preparation of Heterogeneous Layered 6063Al / Al-TiB 2 The method for / TiC aluminum matrix composite material, comprises the following steps:

[0036] (1) Cast Al-TiB 2 / TiC and 6063Al ingots were cut into regular plates with length, width and height of 50×26×2 mm, respectively.

[0037] (2) Put the cut sheet into a box-type resistance furnace at a temperature of 530° C. and keep it warm for 2 hours for solution treatment.

[0038] (3) Steel wire brush and abrasive paper are used to mechanically clean the plate after solid solution treatment, and then the cleaning of the surface oxide layer is carried out with alcohol; the Al-TiB after cleaning 2 / TiC and 6063Al sheet stacking, according to Al-TiB 2 / TiC sheets and 6063Al sheets are stacked to two layers in sequence, and the four corners of the plates are bound and fixed with iron wires.

[0039] (4) 530° C. heat preservation for 10 minutes, and then rolling, with a rolling reduction of 50%. 6063Al / Al-TiB obtained a...

Embodiment 2

[0042] Preparation of Heterogeneous Layered 6063Al / Al-TiB 2 The method for / TiC aluminum matrix composite material, comprises the following steps:

[0043] (1) Cast Al-TiB 2 / TiC and 6063Al ingots were cut into regular plates with length, width and height of 50×26×2 mm, respectively.

[0044] (2) Put the cut sheet into a box-type resistance furnace at a temperature of 530° C. and keep it warm for 2 hours for solution treatment.

[0045] (3) Steel wire brush and abrasive paper are used to mechanically clean the plate after solid solution treatment, and then the cleaning of the surface oxide layer is carried out with alcohol; the Al-TiB after cleaning 2 / TiC and 6063Al plates, according to Al-TiB 2 / TiC sheets and 6063Al sheets are stacked to two layers in sequence, and the four corners of the plates are bound and fixed with iron wires.

[0046] (4) 530° C. heat preservation for 10 minutes, and then rolling, with a rolling reduction of 50%.

[0047](5) The rolled and welde...

Embodiment 3

[0052] Preparation of Heterogeneous Layered 6063Al / Al-TiB 2 The method for / TiC aluminum matrix composite material, comprises the following steps:

[0053] (1) Cast Al-TiB 2 / TiC and 6063Al ingots were cut into regular plates with length, width and height of 50×26×2 mm, respectively.

[0054] (2) Put the cut sheet into a box-type resistance furnace at a temperature of 530° C. and keep it warm for 2 hours for solution treatment.

[0055] (3) Steel wire brush and abrasive paper are used to mechanically clean the plate after solid solution treatment, and then the cleaning of the surface oxide layer is carried out with alcohol; the Al-TiB after cleaning 2 / TiC and 6063Al plates, according to Al-TiB 2 / TiC sheets and 6063Al sheets are stacked to two layers in sequence, and the four corners of the plates are bound and fixed with iron wires.

[0056] (4) 530° C. heat preservation for 10 minutes, and then rolling, with a rolling reduction of 50%.

[0057] (5) The rolled and weld...

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Abstract

The invention relates to a preparation method of a layered aluminum-based composite material. The method comprises the following steps: firstly, preparing Al-TiB2 / TiC and 6063Al plates with the same size; carrying out homogenization solution treatment on the two materials so as to deform in the pack rolling process; cleaning an oxide layer on the surface of the plate; stacking and fixing the treated materials, and carrying out multi-pass accumulative roll-bonding deformation treatment; and performing aging treatment on the material obtained after ply rolling, so that the overall strength of the plate is improved, thereby preparing the isomerous layered 6063Al / Al-TiB2 / TiC layered aluminum matrix composite. The preparation method is simple, low in cost, short in production period, green andnon-toxic; meanwhile, the material Al-TiB2 / TiC can integrate the strength of 6063Al while maintaining excellent characteristics such as wear resistance of the material Al-TiB2 / TiC, and an interface with tight combination is obtained.

Description

technical field [0001] The invention belongs to the field of metal material preparation, and in particular relates to a preparation method of a heterogeneous layered aluminum-based composite material. Background technique [0002] TiB 2 / TiC particle reinforced aluminum matrix composite combines the toughness, ductility and TiB of aluminum alloy 2 / TiC particles have the advantages of high strength, high rigidity, wear resistance and high temperature resistance, and have the advantages of high specific strength, wear resistance, low expansion coefficient, good dimensional stability and thermal conductivity as a whole. They have been used in aviation, aerospace, automobiles, etc. , machinery and other aspects have a wide range of applications. Especially when the reinforcing particles are uniformly dispersed and finely distributed in the matrix, its performance will be further improved. [0003] At present, the preparation methods of particle-reinforced aluminum matrix com...

Claims

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Application Information

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IPC IPC(8): B32B37/10B32B37/06B32B38/00C22F1/04
CPCB32B37/10B32B37/06B32B38/0012C22F1/04
Inventor 聂金凤王芳赵永好曹阳周浩李玉胜
Owner NANJING UNIV OF SCI & TECH
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