Title:
RARE EARTH-ALKALINE EARTH ELEMENT COMPOUNDED MAGNESIUM-BASED ALLOY AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/066022
Kind Code:
A1
Abstract:
A rare earth-alkaline earth element compounded magnesium-based alloy and a preparation method therefor. The rare earth-alkaline earth element compounded magnesium-based alloy comprises the following components in percentages by mass: Al: 3.0-9.5%, RE: 1.5-5.0%, AE: 1.5-4.0%, Zn: 0.01-0.8%, and Mn: 0.01-0.40%, with the balance being magnesium and inevitable impurities, wherein the RE comprises La, and the AE comprises Ca. The technical difficulties in the aspects of the flame retardance and room-temperature and high-temperature mechanical properties of a magnesium alloy are solved by compositely applying rare earth-alkaline earth elements, and the mechanical properties and technological adaptability of the material are effectively improved by constructing a component-optimized Mg-Al-RE-AE alloy system, such that the material is suitable for various preparation processes such as die casting, extrusion, and forging and pressing.
Inventors:
QIU XIN (CN)
TIAN ZHENG (CN)
CHAO RUNZE (CN)
YANG BING (CN)
TIAN ZHENG (CN)
CHAO RUNZE (CN)
YANG BING (CN)
Application Number:
PCT/CN2022/135670
Publication Date:
April 04, 2024
Filing Date:
November 30, 2022
Export Citation:
Assignee:
GUANGDONG HUITIAN AEROSPACE TECH CO LTD (CN)
CHANGCHUN INST APPLIED CHEMISTRY CAS (CN)
CHANGCHUN INST APPLIED CHEMISTRY CAS (CN)
International Classes:
C22C23/02; C22C1/03; C22F1/06
Foreign References:
| CN109536798A | 2019-03-29 | |||
| CN106566967A | 2017-04-19 | |||
| CN112143951A | 2020-12-29 | |||
| CN108715964A | 2018-10-30 | |||
| CN104233026A | 2014-12-24 | |||
| CN108251731A | 2018-07-06 | |||
| CN111041311A | 2020-04-21 | |||
| US20220154314A1 | 2022-05-19 | |||
| JP2003055728A | 2003-02-26 |
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
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