A kind of aluminum matrix composite material and preparation method thereof

An aluminum-based composite material and composite material technology, applied in the field of new material preparation, can solve the problems of poor toughness and low plasticity, and achieve the effects of increased elongation, uniform distribution, and easy control of process conditions

Inactive Publication Date: 2018-04-13
SHENYANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide an aluminum matrix composite material and its preparation method. The matrix phase of the composite material and the reinforcement phase space are three-dimensionally connected and evenly distributed, and the two phases strengthen each other, which solves the plasticity problem existing in the existing discontinuously reinforced aluminum matrix composite material. The problem of low and poor toughness

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  • A kind of aluminum matrix composite material and preparation method thereof

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Embodiment 1

[0018] The invention provides an aluminum-based / three-dimensional connected porous titanium composite material. The composition of the composite material selected in the specific embodiment is: a high-performance aluminum alloy Al-Zn-Mg-Cu currently used for structural materials and a three-dimensional connected porous titanium skeleton . The Al-Zn-Mg-Cu alloy composition (mass percentage) is: 90.5%Al, 6%Zn, 1.5%Mg, 2%Cu, while the porosity of the porous titanium skeleton is 30%, the pore size is 100μm, the purity of titanium 99.9%.

[0019] The present invention provides a method for preparing the above-mentioned aluminum-based / three-dimensional interconnected porous titanium composite material, the specific steps are as follows:

[0020] (1) Ingredients: Al, Zn, Mg and Cu with a purity of not less than 99.9% (mass percentage) were used as the elemental raw materials used in the test. The quality of the above-mentioned elemental raw materials is weighed by a precision elect...

Embodiment 2

[0025] The invention provides an aluminum-based / three-dimensional connected porous titanium composite material. The composition of the composite material selected in the specific embodiment is: a high-performance aluminum alloy Al-Zn-Mg-Cu currently used for structural materials and a three-dimensional connected porous titanium skeleton . The Al-Zn-Mg-Cu alloy composition (mass percentage) is: 90.5%Al, 6%Zn, 1.5%Mg, 2%Cu, and the porosity of the porous titanium skeleton is 80%, the pore size is 50μm, the purity of titanium 99.9%.

[0026] The present invention provides a method for preparing the above-mentioned aluminum-based / three-dimensional interconnected porous titanium composite material, the specific steps are as follows:

[0027] (1) Ingredients: Al, Zn, Mg and Cu with a purity of not less than 99.9% (mass percentage) were used as the elemental raw materials used in the test. The quality of the above-mentioned elemental raw materials is weighed by a precision electron...

Embodiment 3

[0031] The invention provides an aluminum-based / three-dimensional connected porous titanium composite material. The composition of the composite material selected in the specific embodiment is: a high-performance aluminum alloy Al-Zn-Mg-Cu currently used for structural materials and a three-dimensional connected porous titanium skeleton . The Al-Zn-Mg-Cu alloy composition (mass percentage) is: 90.5%Al, 6%Zn, 1.5%Mg, 2%Cu, and the porosity of the porous titanium skeleton is 80%, the pore size is 50μm, the purity of titanium 99.9%.

[0032] The present invention provides a method for preparing the above-mentioned aluminum-based / three-dimensional interconnected porous titanium composite material, the specific steps are as follows:

[0033] (1) Ingredients: Al, Zn, Mg and Cu with a purity of not less than 99.9% (mass percentage) were used as the elemental raw materials used in the test. The quality of the above-mentioned elemental raw materials is weighed by a precision electron...

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Abstract

An aluminum-based composite material and a preparation method thereof, relating to a composite material and a preparation method, the composition of the composite material is: aluminum alloy Al-Zn-Mg-Cu and a three-dimensional interconnected porous titanium skeleton; the specific steps of the preparation method include: batching, Master alloy smelting and preparation of aluminum-based / three-dimensional interconnected porous titanium composite materials: Ultrasonic cleaning of the above-mentioned simple raw materials with petroleum ether and absolute ethanol, and finally mixing the above-mentioned simple raw materials into a graphite crucible to make it a master alloy ingot , after the alloy melt fully infiltrates and fills the pores of the porous titanium skeleton, the steel pipe is quenched into water to obtain the aluminum matrix / three-dimensional interconnected porous titanium composite material. The matrix structure of the aluminum-based composite material has fine grains, and has excellent mechanical properties under the experimental conditions of large-scale samples.

Description

technical field [0001] The invention relates to a composite material and a preparation method, in particular to an aluminum-based / three-dimensional interconnected porous titanium composite material and a preparation method, and belongs to the technical field of new material preparation. Background technique [0002] Aluminum-based composite materials have the characteristics of high specific modulus, high temperature resistance, oxidation resistance, light weight, and corrosion resistance. They have become a direction for the development of high-performance structural materials in aviation, aerospace and other fields. They are also the focus of new material research at home and abroad in recent years. One of the hot spots. [0003] Aluminum matrix composites are based on aluminum or aluminum alloys, including discontinuously reinforced aluminum matrix composites and continuous reinforced aluminum matrix composites. The reinforcing phase of discontinuously reinforced aluminu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/10C22C1/08
CPCC22C1/08C22C21/10C22C1/081
Inventor 马国峰张鸿龄
Owner SHENYANG UNIV
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