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Title:
TITANIUM PARTICLE REINFORCED MAGNESIUM-BASED COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/231419
Kind Code:
A1
Abstract:
The present disclosure belongs to the technical field of metal-based composite materials, and particularly relates to a titanium particle reinforced magnesium-based composite material and a preparation method therefor. The preparation method comprises: in the presence of protective gas, (1) heating a magnesium alloy until the magnesium alloy is completely melted; (2) directly introducing titanium particles without preheating under a stirring condition, and then carrying out stirring and mixing; and (3) carrying out heating and cast molding. Step (2) and step (3) are carried out under the micro-positive pressure conditions that the pressure in a furnace is higher than the atmospheric pressure outside the furnace and the pressure difference is 0-300 Pa, and in the heating process of step (2) and step (3), the viscosity of a magnesium alloy melt is 1-10 Pa·s by adjusting the temperature and stirring conditions of the magnesium alloy melt, respectively. According to the method of the present disclosure, the viscosity of the magnesium alloy melt is used as a key index, and the melt viscosity is controlled according to the stirring condition and the melt temperature, such that titanium particle sedimentation and agglomeration are effectively avoided, and the uniformly distributed composite material is obtained.

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Inventors:
ZHENG KAIHONG (CN)
LI XINTAO (CN)
XU JUN (CN)
PAN FUSHENG (CN)
Application Number:
PCT/CN2023/071263
Publication Date:
December 07, 2023
Filing Date:
January 09, 2023
Export Citation:
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Assignee:
INSTITUTE OF NEW MAT GUANGDONG ACADEMY OF SCIENCES (CN)
International Classes:
C22C23/00; C22C1/02; G05D24/02
Foreign References:
CN114959391A2022-08-30
CN112813293A2021-05-18
CN102016094A2011-04-13
CN114438385A2022-05-06
JP2008195978A2008-08-28
Other References:
YAO XIE, KANG YUE-HUA;LI XIN-TAO;HAN SHENG-LI;ZHOU NAN: "Microstructure and Mechanical Properties of Metal Ti Particles Reinforced AZ91D Composite Processed by Stir Casting", FOUNDRY, vol. 70, no. 7, 10 July 2021 (2021-07-10), pages 793 - 799, XP093116487
Attorney, Agent or Firm:
CHOFN INTELLECTUAL PROPERTY (CN)
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