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

High plasticity magnesium alloy containing rare-earth yttrium

A magnesium alloy, high plasticity technology, applied in the field of magnesium alloys where yttrium rare earth element is added to improve the extrusion plasticity of the alloy, can solve the problems of inability to use industrial applications, limited application scope, slow strain rate, etc. Performance, effect of grain refinement

Inactive Publication Date: 2007-01-31
CHONGQING UNIV
View PDF1 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the superplasticity of magnesium alloys is generally achieved at very slow strain rates, they cannot be used in industrial applications.
Traditional high-strength magnesium alloys generally refer to Mg-Zn-Zr alloys. The typical alloy grade is ZK60. The biggest feature is high strength, generally 320-350MPa, but it has the disadvantage of poor plasticity, and the elongation after fracture generally does not exceed 12%, limiting its scope of application

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
  • High plasticity magnesium alloy containing rare-earth yttrium
  • High plasticity magnesium alloy containing rare-earth yttrium
  • High plasticity magnesium alloy containing rare-earth yttrium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0023] According to above-mentioned formula, smelting obtains magnesium alloy of the present invention with following method:

[0024] 1. Melting: carried out on semi-continuous casting equipment. The composition of the masterbatch is Mg: 95.3%, Zn: 4.0%, Zr: 0.30%, Y: 0.40%. After covering with flux, start heating, and the masterbatch is completely melted at 700°C, and then press A, B, and C respectively to contain rare earths. The alloying element Zn ingot is added in the ratio of the magnesium alloy material. Zr and Y are added in the form of Mg-Zr and Mg-Y master alloys, wherein the mass percentages of Zr and Y are 25.58 and 23.42 respectively, and Mg and Zr are adjusted according to the ratio requirements of A, B and C rare earth-containing magnesium alloy materials , Y content. After feeding, stir and continue to heat to 750°C, keep the temperature for 30 minutes, and then cool down to 690-720°C for casting to obtain ingots of A, B, and C rare earth-containing m...

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

No PUM Login to View More

Abstract

The magnesium alloy contains Zn 5.0-8.5 wt%, Zr 0.6-0.8 wt% and Y 0.7-2.0 wt% except Mg and inevitable impurity. The present invention has high strength like traditional magnesium alloy and greatly raised plasticity. It may be used in industrial production to produce sheet, rod, pipe, section and forged products via plastic metal forming, and may have structure and performance controlled via heat treatment.

Description

technical field [0001] The invention relates to a metal material, in particular to a magnesium alloy added with yttrium rare earth element to improve extrusion plasticity of the alloy. Background technique [0002] my country is rich in magnesium ore resources. Therefore, the research and development of magnesium alloy materials with excellent performance and various specifications plays an important role in the national economy. Magnesium alloy is a new type of light metal material. It is currently the lightest metal structure material in industrial applications. It has high specific strength, specific stiffness, good shock absorption, noise reduction and cutting performance. It is used in aerospace, transportation and 3C products and other fields have broad application prospects. At present, the demand for magnesium and magnesium alloys is growing at a rate of more than 20% per year, and has gradually developed into the third largest metal material after steel and aluminu...

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
IPC IPC(8): C22C23/04C22C23/06
Inventor 丁培道张丁非潘复生彭建董国振
Owner CHONGQING UNIV
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com