Method for manufacturing metal matrix composite
A technology of composite materials and manufacturing methods, applied in metal material coating technology, metal processing equipment, liquid chemical plating, etc., can solve the problems of low integration rate of reinforcement phase materials, uneven distribution of reinforcement phase particles, and porosity , to achieve the effect of low cost, uniform distribution and simple process
Inactive Publication Date: 2019-04-02
METAL INDS RES & DEV CENT
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Problems solved by technology
[0004] The main problem to be solved by the present invention is that metal matrix composites have the disadvantages of low volume fraction of reinforcement phase material (ceramic material), uneven distribution of reinforcement phase particles (ceramic particles) and pores inside.
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[0043] The manufacturing method of the metal matrix composite material of the present invention uses a low temperature and wet chemical synthesis process to control parameters such as the concentration of the reinforcement phase material, the concentration of the surfactant, and the reaction time, and can prepare nano-titanium dioxide particle-coated composite stainless steel powder through a heat treatment process. The granular material has simple process, low cost and high uniformity.
[0044] see figure 1 , figure 1 It is a flowchart of the manufacturing method S1 of a metal matrix composite material according to an embodiment of the present invention, and its steps include:
[0045] Step S11: preparing a ceramic solution;
[0046] Step S12: adding a plurality of metal powder particles into the ceramic solution;
[0047] Step S13: making the ceramic solution form a ceramic coating on the surface of the metal powder through a chemical synthesis process; and
[0048] Step...
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Abstract
The invention discloses a method for manufacturing a metal matrix composite. The method comprises the steps that a ceramic solution is prepared; a plurality of metal powder grains are added into the ceramic solution; ceramic coatings are formed on the surfaces of the metal powder grains by the ceramic solution through a chemical synthesis process; and through a heat treatment process, the ceramiccoatings are subjected to nucleation and crystallization to form a plurality of ceramic particles uniformly distributed on the surfaces of the metal powder grains, wherein the ceramic particles are bonded to the surfaces of the metal powder grains in an ionic bond bonding mode. The method for manufacturing the metal matrix composite and the metal matrix composite prepared by the method have the effects of simple method process, lower cost and uniform distribution.
Description
technical field [0001] The present invention relates to a manufacturing method of a metal matrix composite material, in particular to a manufacturing method of a metal matrix composite material prepared by a chemical synthesis process. Background technique [0002] Metal matrix composite (MMC) combines the characteristics of two different materials, and improves the shortcomings of traditional single materials by complementing each other's defects. Its properties are determined by the characteristics of the base material and the reinforcement phase material. The base material is mainly light-weight metal or alloy, and the reinforcement phase material added is mainly ceramic material. [0003] In the traditional method of making composite materials, it is common to mix the ceramic powder into the molten metal by stirring and dispersing. In this method, the ceramic powder uses the Van der Waals force (Van der Waals force, which is an "intermolecular" force) The metal matrix c...
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IPC IPC(8): C23C18/12B22F1/02
CPCC23C18/1212C23C18/1216C23C18/1241B22F1/16
Inventor 郑光乔曾俊杰蔡孟修吕英诚林秋丰
Owner METAL INDS RES & DEV CENT