Method for synthesizing and preparing nano-particle reinforced composite through multi-dimension vibration assistance

A technology of reinforced composite materials and nanoparticles, which is applied in the field of nanoparticle-reinforced composite materials prepared by multi-dimensional vibration-assisted synthesis, can solve the problems of dynamic condition and speed limitation, achieve particle roundness, improve bonding strength, and improve comprehensive performance. Effect

Active Publication Date: 2018-08-24
JIANGSU UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is: according to the needs of the synthesis process dynamics of the in-situ particle reinforced composite material prepared by the melt reaction method, to provide a method for preparing nano-particle reinforced composite material using multi-dimensional vibration-assisted synthesis, to solve the in-situ synthesis of the melt reaction Problems caused by velocity-limited kinetic conditions in the process of preparing particle-reinforced composites

Method used

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  • Method for synthesizing and preparing nano-particle reinforced composite through multi-dimension vibration assistance
  • Method for synthesizing and preparing nano-particle reinforced composite through multi-dimension vibration assistance
  • Method for synthesizing and preparing nano-particle reinforced composite through multi-dimension vibration assistance

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Effect test

Embodiment 1

[0037] Embodiment one: preparation (Al 3 Zr (s) +Al 2 o 3(s) ) particle reinforced aluminum matrix composites

[0038] Raw materials: base metal: industrial pure aluminum; solid powder: industrial zirconium carbonate (Zr(CO 3 ) 2 ) powder, the purity is 99.20wt.%, refining degassing agent and slag removing agent;

[0039] In situ reaction equation: 13Al (l) +3Zr(CO 3 ) 2(s) =3Al 3 Zr (s) +2Al 2 o 3(s) +6CO 2 ↑

[0040] Particle reinforcement phase: Al 3 Zr (s) and Al 2 o 3(s)

[0041] The preparation process is as follows:

[0042] The first step: the reaction salt is preheated and dried, and the metal melt is smelted to the synthesis temperature;

[0043] 1Kg of industrial pure aluminum is melted in a 20kW crucible resistance furnace and heated up to 850°C for degassing and slag removal; all reagents used are fully dried at 250°C, of ​​which Zr(CO 3 ) 2 Grind into fine powder and sieve, the particle size is less than 100μm, weighed for later use, Zr(CO ...

Embodiment 2

[0053] Embodiment 2: Preparation of Al 2 o 3(s) Particulate Reinforced Aluminum Matrix Composites

[0054] Raw materials: base metal: industrial pure aluminum; solid powder: industrial cerium carbonate (Ce 2 (CO 3 ) 3 ) powder, the purity is 99.20wt.%, refining degassing agent and slag removal agent.

[0055] In situ reaction equation: 4Al+3CeO 2 →2Al 2 o 3 +3Ce

[0056] Particle reinforcement phase: Al 2 o 3(s)

[0057] The preparation process is as follows:

[0058] The first step: the reaction salt is preheated and dried, and the metal melt is smelted to the synthesis temperature;

[0059] 1Kg of industrial pure aluminum is melted in a 20kW crucible-type resistance furnace and heated up to 850°C for degassing and slag removal; all reagents used are fully dried at 250°C, and industrial cerium carbonate (Ce 2 (CO 3 ) 3 ) powder is ground into a fine powder and sieved, the particle size is less than 100 μm, and it is used after weighing, Ce 2 (CO 3 ) 3 The ad...

Embodiment 3

[0069] Embodiment three: preparation (Al 3 Zr (s) +Al 2 o 3(s) ) particle reinforced aluminum matrix composites

[0070] Raw materials: base metal: industrial pure aluminum; solid powder: industrial zirconium carbonate (Zr(CO 3 ) 2 ) powder, the purity is 99.20wt.%, refining degassing agent and slag removal agent;

[0071] In situ reaction equation: 13Al (l) +3Zr(CO 3 ) 2(s) =3Al 3 Zr (s) +2Al 2 o 3(s) +6CO 2 ↑

[0072] Particle reinforcement phase: Al 3 Zr (s) and Al 2 o 3(s)

[0073] The preparation process is as follows:

[0074] The first step: the reaction salt is preheated and dried, and the metal melt is smelted to the synthesis temperature;

[0075] 1Kg of industrial pure aluminum is melted in a 20kW crucible resistance furnace and heated up to 850°C for degassing and slag removal; all reagents used are fully dried at 250°C, of ​​which Zr(CO 3 ) 2 Grind into fine powder and sieve, the particle size is less than 100μm, weighed for later use, Zr(CO ...

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Abstract

The invention provides a method for synthesizing and preparing a nano-particle reinforced composite through multi-dimension vibration assistance, and belongs to the technical field of material preparation. In the melt reactive synthesis process of the in-situ particle reinforced composite, multi-dimension high-frequency low-amplitude vibration is applied to melt, melt reactive synthesis is promoted, and meanwhile the obvious function effect is achieved on particle dispersion promoting, clustering overcoming and residue-gold separation promoting. The method further has other advantages of beingsimple, free of contact, low in cost, obvious in effect and the like.

Description

technical field [0001] The invention relates to the technical field of preparation of particle-reinforced metal-based composite materials, in particular to a method for preparing nano-particle-reinforced composite materials through multidimensional vibration-assisted synthesis. Background technique [0002] Particle-reinforced metal matrix composites have good mechanical properties and physical and chemical properties due to their composite structural characteristics. One of the research hotspots of metal matrix composites; with the deepening of research, particle reinforced aluminum matrix composites are gradually becoming a new type of material that is more and more widely used; An important method for materials, this method is to form a reinforced particle phase through the in-situ chemical reaction between the reactant and the aluminum matrix by adding reactants to the melt; since the added reactants are basically solid phase, the reactants and aluminum matrix The react...

Claims

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Application Information

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IPC IPC(8): C22C1/10C22C1/02C22C32/00C22C21/00
CPCC22C1/1036C22C21/00C22C32/0036C22C1/1052B22F2999/00C22C1/1047C22C1/047B22F2202/01
Inventor 王宏明李桂荣赵玉涛
Owner JIANGSU UNIV
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