SiC/Cu composite material and preparation method thereof

A technology of composite materials and mixed powders, which is applied in the preparation of SiC/Cu composite materials and in the field of SiC/Cu composite materials, can solve the problems of poor comprehensive performance and inability to meet the needs of use, so as to improve hardness and flexural strength, improve Wrapping effect, the effect of stabilizing comprehensive mechanical properties
CN104294077AActive Publication Date: 2015-01-21ZHENGZHOU UNIVERSITY OF AERONAUTICS
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ZHENGZHOU UNIVERSITY OF AERONAUTICS
Publication Date
2015-01-21

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Abstract

The invention discloses a SiC / Cu composite material and a preparation method thereof. The continuous phase of the composite material is a glass phase, and SiC particles and Cu particles are uniform wrapped in the glass phase. The SiC / Cu composite material has the following advantages: the glass phase is filled between the SiC particles and the Cu particles, so the contact between the SiC particles and the Cu particles is avoided; and the low temperature glass phase forms interface layers on the surfaces of the SiC particles and the Cu particles, so the interface combination characteristic of the SiC / Cu composite material is effectively improved, the problems of non-wetting between a molten Cu phase and a SiC phase and easy interface reaction of the above two phases at a high temperature are solved, the interface bonding force is enhanced, and the hardness and the bending strength of the composite material are improved, thereby the composite material has good and stable comprehensive mechanical performances.
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Description

technical field

[0001] The invention belongs to the technical field of ceramic-metal composite materials, specifically relates to a SiC / Cu composite material, and also relates to a preparation method of the SiC / Cu composite material. Background technique

[0002] The structure-function integrated SiC / Cu high-performance composite material is a new type of material with broad application prospects. However, due to the difference in the lattice types of SiC and Cu, there are a series of problems such as non-wetting and poor dispersion uniformity between the molten Cu and SiC phases, and interfacial reactions are prone to occur during the sintering process of the composite material, which seriously affects the SiC / SiC phase. Improvement of comprehensive properties of Cu composites. At present, there are a large number of literature studies on the interface modification of ceramic-metal composites to improve the interface bonding and dispersion uniformity of the silicon carbide...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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