Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method of synthesizing metal -based composite material by melt reaction in coupling magnetic field and ultrasonic field

a composite material and magnetic field technology, applied in the field of composite material synthesis, can solve the problems of difficult control of the reaction process, easy growth, uneven distribution, etc., and achieve the effect of improving the thermodynamic conditions of in-situ reaction and improving the dynamic conditions of synthesis

Inactive Publication Date: 2011-10-13
JIANGSU UNIV
View PDF1 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is a method of synthesizing in-situ particle reinforced metal matrix composite material by melt reaction in coupling magnetic field and ultrasonic field. The method uses a high-power pulse magnetic field and a high-energy ultrasonic field to control the distribution of particle phase, inhibit the growth and aggregation of particles, and change the thermodynamic and dynamic conditions of the in-situ synthesis reaction. The method can be adjusted based on the size and distribution of particles required for the composite material. The technical effects of the invention include fast formation and dispersion of particle phase, control over particle aggregation, and ideal effect for synthesizing metal matrix composite material.

Problems solved by technology

However, the technique has a series of problems of difficult control of reaction process, easy growth even aggregation of particle phase, and uneven distribution.
However, the effect of exerting single electromagnetic field or ultrasonic field on synthesizing particle reinforced composite material by in-situ reaction is unsatisfied.
When exerting single magnetic filed, the action intensity of the magnetic field in metal decays exponentially due to insurmountable skin effect of the electromagnetic field in metal melt, and the effective depth of the electromagnetic field acting in the melt is limited, especially when employing a large-volume bath or an electromagnetic field with higher frequency, the difference of the effect of the electromagnetic field in the melt is significant, namely, the effect of the electromagnetic field in the melt shows severe nonuniformity, the effect of the electromagnetic field is weak in the central area and strong at the edge area.

Method used

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method of synthesizing metal -based composite material by melt reaction in coupling magnetic field and ultrasonic field
  • Method of synthesizing metal -based composite material by melt reaction in coupling magnetic field and ultrasonic field
  • Method of synthesizing metal -based composite material by melt reaction in coupling magnetic field and ultrasonic field

Examples

Experimental program
Comparison scheme
Effect test

embodiment 1

Preparing Particle Reinforced Al Matrix Composite Material (Al3Zr(s)+ZrB2(s)) in Coupling High-Power Pulse Magnetic Field and Ultrasonic Field

[0041]Raw material: metal matrix: pure Al; reaction salt: K2ZrF6+KBF4 power, refined deaerating agent and slag skimming agent.

[0042]The preparation comprises two steps:

[0043](1) Melting metal and preparing powder:

[0044]Melting 50 g of pure Al in a 60 kW resistance furnace till the temperature raises to 900° C., and then carrying out deaeration and slag skimming Fully drying the reagents at 250° C.-300° C., in which K2ZrF6+KBF4 is ground into fine powder (particle size is less than 200 mesh) and packaged by an aluminum foil for use after weighing, and the weight of the added K2ZrF6+KBF4 powder being 20 percents of the weight of metal.

[0045](2) Synthesizing composite material melt by in-situ reaction:

[0046]Refined metal liquid in accordance with reaction starting temperature (900° C.), compressing K2ZrF6+KBF4 into aluminum liquid in a melt pot b...

embodiment 2

Preparing Particle Reinforced Al Matrix Composite Material (Al3Zr(s)+ZrB2(s)) in Coupling High-Frequency Oscillating Magnetic Field and Ultrasonic Field

[0048]Raw material: metal matrix: pure Al; reaction salt: K2ZrF6+KBF4 power, refined deaerating agent and slag skimming agent.

[0049]The preparation comprises two steps:

[0050](1) Melting metal and preparing powder:

[0051]Melting 50 Kg of pure Al in a 60 kW resistance furnace till the temperature raises to 900° C., and then carrying out deaeration and slag skimming; fully drying the reagents at 250° C.-300° C., in which K2ZrF6+KBF4 is ground into fine powder (particle size is less than 200 mesh) and put into an injecting pot after weighing, and the weight of the added K2ZrF6+KBF4 powder being 20 percents of the weight of metal.

[0052](2) Synthesizing composite material melt by in-situ reaction:

[0053]A device as shown in FIG. 2, pouring refined metal liquid in accordance with requirement of starting temperature (900° C.) into a thermal-in...

embodiment 3

Preparing Particle Reinforced Al Matrix Composite Material (Al3Zr(s)+Al2O3(s)) in coupling low-frequency stirring magnetic field and ultrasonic field

[0055]Raw material: metal matrix: pure Al; solid powder: industrial zirconium carbonate (Zr(CO3)2) power, refined deaerating agent and slag skimming agent.

[0056]The preparation comprises two steps:

[0057](1) Melting metal and preparing powder:

[0058]Melting 50 Kg of pure Al in a 60 kW resistance furnace till the temperature raises to 900° C., and then carrying out deaeration and slag skimming; fully drying the reagents at 250° C.-300° C., in which (Zr(CO3)2) is ground into fine powder (particle size is less than 200 mesh) and put into an injecting pot, and the weight of the added (Zr(CO3)2) powder being 20 percents of the weight of metal.

[0059](2) Synthesizing composite material melt by in-situ reaction:

[0060]Pouring refined metal liquid in accordance with requirement of reaction starting temperature (900° C.) into a thermal-insulated com...

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
Login to View More

PUM

PropertyMeasurementUnit
temperatureaaaaaaaaaa
temperatureaaaaaaaaaa
frequencyaaaaaaaaaa
Login to View More

Abstract

A method of synthesizing metal matrix composite material by melt reaction in coupling magnetic field and ultrasonic field comprises: adjusting metal-base melt to the onset reaction temperature after refining, then adding reactants which generate reinforced particles by in-situ synthesis reaction with melt, keeping the reacted melt stand until it is cooled to casting temperature after the reaction, and then casting. Magnetic field and high-energy ultrasonic field are exerted simultaneously during the reaction. The magnetic field can be high-power pulse magnetic filed, high-frequency oscillating magnetic field or low-frequency alternating magnetic field. The metal matrix composite material produced by the above-mentioned method exhibits that reinforced particles are much finer, more uniformly distributed, and fit with metal matrix better.

Description

TECHNICAL FIELD[0001]The invention relates to the technical field of novel composite material synthesis, in particular to a novel method of synthesizing particle reinforced metal matrix composite material by in-situ melt reaction in coupling electromagnetic field and ultrasonic field.BACKGROUND ART[0002]Particle reinforced metal matrix composite material has a wide application prospect in the fields of advanced electric and electronic devices, aviation spacecrafts, machine, bridge tunnel engineering, etc. because of its excellent mechanical properties and physical and chemical properties owing to its composite structure and has been one of research hotspots of metal matrix composite material in recent years. Presently, in-situ reaction synthesis method is the primary method of preparing particle reinforced metal matrix composite material, its principle is that alloying elements or compounds which can generate second phase are added in metal matrix melt to produce in situ particle re...

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
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(United States)
IPC IPC(8): B22D27/02
CPCB22D1/00B22D27/02B22D11/115
Inventor ZHAO, YUTAOCHEN, GANG
Owner JIANGSU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com