Method for synthesizing in-situ formed ceramic particle reinforced iron-aluminum-based composites by laser combustion

An in-situ self-generated, ceramic particle technology, applied in the field of materials, can solve the problems of reinforcement pollution, poor wettability, high temperature rise rate, etc., and achieve the effects of improving comprehensive performance, shortening the preparation process, and advanced preparation methods
CN101906572AInactive Publication Date: 2010-12-08LIAONING TECHNICAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
LIAONING TECHNICAL UNIVERSITY
Publication Date
2010-12-08
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a method for synthesizing in-situ formed ceramic particle reinforced iron-aluminum-based composites by laser combustion, belonging to the technical field of materials. The in-situ formed ceramic particle reinforced iron-aluminum-based composites are prepared by the following steps of: putting tungsten ore powder, iron powder, aluminum powder and carbon powder in a ball mill for milling to obtain a mixed powder material; and compressing the mixed powder material into a pressed compact, transmitting a high-energy laser beam by employing a CO2 laser processing machine to ignite the surface of the pressed compact and trigger self-propagating high temperature synthesis of the pressed compact. By the invention, two ceramic particle reinforced phases are simultaneously formed on one substrate, which shortens the preparation process of the composites, lowers material manufacture cost and facilitates large-scale production and application.
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Description

technical field

[0001] The invention belongs to the technical field of materials, and in particular relates to a method for synthesizing in-situ self-generated ceramic particle-reinforced iron-aluminum matrix composite materials by laser combustion. Background technique

[0002] In recent years, metal matrix composites (MMCs) have attracted great attention from all over the world because of their special properties such as high specific strength, specific modulus, high temperature resistance, and wear resistance; among them, particle-reinforced metal matrix composites are It has many advantages such as low reinforcement cost, isotropic material properties, low manufacturing cost, large-scale production, and can be processed by traditional metal processing technology, and has become one of the main directions for the development of MMCs. According to the source of the reinforcement, it can be divided into two types: externally introduced reinforcement and in-situ self-generat...

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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