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

Ultrahigh-strength aluminum alloy refiner, and preparation and addition method thereof

A technology of refiner and aluminum alloy, which is applied in the field of materials, can solve problems such as unsatisfactory effects, and achieve the effects of significant refinement and purification effects, increased strength, and simple preparation processes

Inactive Publication Date: 2015-04-29
SHENYANG POLYTECHNIC UNIV
View PDF1 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: the present invention provides a super-strength aluminum alloy refiner and its preparation and addition method, the purpose of which is to solve the problem of unsatisfactory effects existing in the previous methods

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
  • Ultrahigh-strength aluminum alloy refiner, and preparation and addition method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Put high-purity aluminum into a graphite crucible, then place the graphite crucible in a resistance furnace, heat it to 780°C, melt the pure aluminum ingot, and add Al-RE respectively according to the nominal composition of Al-Zn-Mg-Cu alloy For master alloy and Al-Cu master alloy, add pure Mg ingot and Zn ingot after melting and stir evenly, then add appropriate amount of Be, heat up to 1000°C to prepare liquid refiner.

[0024] When the liquid refiner flows out of the crucible with the conduit, 1.0MPa nitrogen gas is added into the ring to atomize it to make a powder refiner, so that the content of each component meets 2.5wt% Cu, 1.5wt% Mg, 5wt% Zn, 0.4wt%RE, 0.2wt%Be, the balance is the mass percentage of Al. In order to prevent the oxidation of the refiner, the atomization tank is evacuated first, and then filled with nitrogen.

Embodiment 2

[0026] Put high-purity aluminum into a graphite crucible, then place the graphite crucible in a resistance furnace, heat it to 780°C, melt the pure aluminum ingot, and add Al-RE respectively according to the nominal composition of Al-Zn-Mg-Cu alloy For master alloy and Al-Cu master alloy, add pure Mg ingot and Zn ingot after melting and stir evenly, then add appropriate amount of Be, heat up to 950~1000°C to prepare liquid refiner.

[0027] When the liquid refiner flows out of the crucible with the conduit, add 1.0MPa nitrogen in a ring to atomize it to make a powder refiner, so that the content of each component meets 1.0wt% Cu, 3.0wt% Mg, 4.5wt %Zn, 0.5wt%RE, 0.3wt%Be, and the balance is the mass percentage of Al. In order to prevent the oxidation of the refiner, the atomization tank is evacuated first, and then filled with nitrogen.

Embodiment 3

[0029] Put high-purity aluminum into a graphite crucible, then place the graphite crucible in a resistance furnace, heat it to 780°C, melt the pure aluminum ingot, and add Al-RE respectively according to the nominal composition of Al-Zn-Mg-Cu alloy For master alloy and Al-Cu master alloy, add pure Mg ingot and Zn ingot after melting and stir evenly, then add appropriate amount of Be, heat up to 980°C to prepare liquid refiner.

[0030] When the liquid refiner flows out of the crucible with the conduit, add 1.0MPa nitrogen in a ring to atomize it to make a powder refiner, so that the content of each component meets 2.0wt% Cu, 2.0wt% Mg, 6.5wt %Zn, 0.5wt%RE, 0.4wt%Be, and the balance is the mass percentage of Al. In order to prevent the oxidation of the refiner, the atomization tank is evacuated first, and then filled with nitrogen.

[0031] The composition of the Al-Zn-Cu-Mg series super-strength aluminum alloy is similar to that of the refining agent used. After the alloy is ...

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
yield strengthaaaaaaaaaa
tensile strengthaaaaaaaaaa
elongationaaaaaaaaaa
Login to View More

Abstract

The invention provides an ultrahigh-strength aluminum alloy refiner, and a preparation and addition method thereof. Aiming at the exploitability of the existing ultrahigh-strength aluminum alloy, the invention provides a preparation and addition method of an ultrahigh-strength aluminum alloy composed of Al, Cu, Mg, Zn, RE, Be and the like. On the basis of the ultrahard aluminum alloy, a proper amount of refiner can be added to improve the strength and toughness of the alloy, thereby satisfying the demands for the industrial field. The ultrahigh-strength aluminum alloy refiner has the advantages of simple preparation technique, uniform granular size, obvious refinement and cleaning actions, simple addition method and the like. The method is easy for popularization and use, is especially suitable for large-scale commercial production of the ultrahigh-strength aluminum alloy, and has great market potential.

Description

technical field [0001] The invention provides a super-strong aluminum alloy refiner and a preparation and addition method thereof, belonging to the technical field of materials. Background technique [0002] Al-Zn-Mg-Cu series high-strength wrought aluminum alloy is widely used in aerospace, transportation, etc. because of its high strength and hardness, good corrosion resistance and toughness, good processability and weldability. transportation and other fields. Since the United States first developed the practically applicable 7075 aluminum alloy in 1943, material workers from all over the world have changed the content of Zn, Mg and Cu, reduced the content of impurity elements Fe and Si, increased the mass ratio of Zn to Mg, and added some Trace elements (such as rare earth elements Zr and Sc) have successively developed some new 7xxx series aluminum alloys. At present, material workers attach great importance to the research of this type of alloys. However, increasing ...

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(China)
IPC IPC(8): C22C1/06C22C1/03C22C21/10
Inventor 杨林高菁吴伟王斯妮车欣李锋陈立佳
Owner SHENYANG POLYTECHNIC 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