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Method of preparing original position particle reinforced zinc-based composite material

A composite material and particle reinforced technology, which is applied in the field of metal matrix composite material preparation and can solve problems such as volume fraction limitation

Active Publication Date: 2009-05-20
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the method itself has its limitations, the particles generated can only be silicon particles, and the volume fraction is also greatly limited

Method used

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  • Method of preparing original position particle reinforced zinc-based composite material
  • Method of preparing original position particle reinforced zinc-based composite material
  • Method of preparing original position particle reinforced zinc-based composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] First adopt the melt reaction method, add Al in pure aluminum at 720℃ 2 (SO 4 ) 3 , Make it uniformly dispersed in the aluminum melt by mechanical stirring method, and at this temperature through a chemical reaction to prepare Al-containing 2 O 3 In-situ synthesized Al at 15% (volume fraction) of particles 2 O 3 Particle-reinforced aluminum-based composite material slurry while melting 1300 grams of pure zinc. The matrix of the in-situ particle-reinforced zinc-based composite material to be prepared is ZA27 alloy. The composition requirements of ZA27 alloy are: Al is 25%-28%, Cu is 1.5%-2.5%, and Mg is 0.01%-0.03%. According to this composition requirement, Al is synthesized in situ 2 O 3 The volume fraction of the reinforced particles required in the particle-reinforced aluminum-based composite material slurry and the in-situ particle-reinforced zinc-based composite material to be prepared, and the required amount of each constituent material is shown in Table 1. The parti...

Embodiment 2

[0020] First, for the melt reaction method, add Al in pure aluminum at 720℃ 2 (SO 4 ) 3 , It is uniformly dispersed in the aluminum melt by mechanical stirring method, and prepared by chemical reaction at this temperature containing 15% (volume fraction) Al 2 O 3 The reaction of the particles to synthesize the particle-reinforced aluminum-based composite material blank for remelting, and at the same time, 1200 grams of ZA6 zinc-aluminum alloy is melted. ZA35 alloy is selected as the matrix of the in-situ particle-reinforced zinc-based composite material to be prepared. The composition requirements of ZA35 alloy are: Al is 34% to 36%, Cu is 2.3% to 2.5%, and Mg is 0.02% to 0.04%. According to this composition requirement, Al is synthesized in situ 2 O 3 The volume fraction of reinforced particles required in the particle-reinforced aluminum-based composite material slurry and the in-situ particle-reinforced zinc-based composite material to be prepared, and the requirements for the ...

Embodiment 3

[0024] First adopt the melt reaction method, add K in pure aluminum at 720℃ 2 TiF 6 And KBF 4 The mixed salt is uniformly dispersed in the aluminum melt by mechanical stirring, and then prepared by chemical reaction at about 850 ℃ (TiB 2 +Al 3 Ti) In-situ synthesized particle-reinforced aluminum-based composite material slurry with a particle volume fraction of 10% is mixed, and 1300 grams of pure zinc is melted at the same time. The matrix of the in-situ particle-reinforced zinc-based composite material to be prepared is ZA27 alloy. The composition requirements of ZA27 alloy are: Al is 25%-28%, Cu is 1.5%-2.5%, and Mg is 0.01%-0.03%. According to this composition requirement, in-situ synthesis (TiB 2 +Al 3 Ti) Particle-reinforced aluminum-based composite material slurry and the required volume fraction of reinforced particles in the in-situ particle-reinforced zinc-based composite material to be prepared, and the requirements for the addition of each component material are shown ...

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Abstract

The invention discloses a preparing method of original position particle reinforced zinc group composite material in metallic group composite material producing technical domain, which comprises the following steps: adopting flux reacting method to preparing original position composite particle reinforced aluminum group composite material slurry; melting zinc or aluminum zinc alloy; confirming the quantity of aluminum group composite material needed according to the required reinforced particle volume fraction, the content of aluminum in this composite material and volume fraction of aluminum zinc alloy; adding into zinc or aluminum zinc alloy fondant; stirring slowly; getting the product. The industrial reacting temperature is small, which influenced by zinc and zinc alloy.

Description

Technical field [0001] The invention relates to the technical field of preparation of metal-based composite materials, that is, a method for preparing in-situ particle-reinforced zinc-based composite materials by mixing in-situ synthetic particle-reinforced aluminum-based composite materials or their slurry with zinc or zinc alloy liquid. Background technique [0002] In recent years, due to the excellent performance / price ratio of zinc-aluminum alloys, scholars at home and abroad have carried out a lot of research work on zinc-aluminum alloys. The research scope is very wide and new progress has been continuously made. One of the important aspects is zinc-based composite materials. Development and application. At present, most of the zinc-based composite materials developed and applied are the additional particle-reinforced zinc-based composite materials, which are mainly prepared by the melt stirring method (such as the "Preparation and Performance of SiCp / ZA27 Composites under...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C18/00C22C1/00
Inventor 赵玉涛陈刚
Owner JIANGSU UNIV