Preparation method of particle-reinforced magnesium-based composite material
A technology of particle reinforcement and composite materials, which is applied in the field of preparation of magnesium-based composite materials, can solve the problems of uneven particle dispersion, long preparation time, and low strength, and achieve the effects of simple process, reduced preparation time, and improved yield strength
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[0028] Specific embodiment 1: This embodiment is a preparation method of particle-reinforced magnesium-based composite material. When the particle size is micrometers, the preparation method of particle-reinforced magnesium-based composite material is specifically completed as follows:
[0029] 1. Preparation of magnesium alloy semi-solid melt: heating the magnesium alloy from room temperature to 720°C to 750°C in a protective gas atmosphere, and then lowering the temperature to 580°C to 630°C to remove the scum on the surface of the magnesium alloy to obtain magnesium Alloy semi-solid melt;
[0030] The magnesium alloy described in step one is composed of magnesium and other metal elements; the other metal elements are one or a mixture of zinc, manganese, aluminum, and calcium; the magnesium alloy The mass percentage of magnesium is 80%~99%;
[0031] 2. Preparation of particles-magnesium alloy melt: ①heat the particles to 550℃~600℃ to obtain the preheated particles; ②add the prehea...
Example Embodiment
[0038] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the protective gas in step 1 is one or a mixed gas of carbon dioxide and sulfur hexafluoride. The other steps are the same as in the first embodiment.
Example Embodiment
[0039] Specific embodiment three: this embodiment is different from one of specific embodiments one or two in that the size of the particles described in step two (1) is 1 μm-10 μm. The other steps are the same as the first or second embodiment.
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