A titanium-based metallic glass particle reinforced aluminum-based composite material and its preparation method
A titanium-based metallic glass and particle-reinforced aluminum technology, which is applied in the field of aluminum-based composite materials, can solve the problems of weakening the specific strength of aluminum-based composite materials, high particle density of zirconium-based metallic glass, and limiting material preparation processes, etc., achieving high hardness, Avoid crystallization denaturation and simple process
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Embodiment 1
[0027] (1) Powder mixing: put titanium-based metallic glass particles with a volume fraction of 5% and aluminum alloy powder with a volume fraction of 95% into a ball mill jar, and mix the powder on a ball mill for 24 hours to obtain a mixed material. In this example, the titanium-based metallic glass particles are prepared by mechanical alloying process, and the mechanical alloying is carried out on a planetary ball mill at room temperature, the ball-to-material ratio is 10:1, the ball milling speed is 245rpm, and the ball milling time is 10h. The composition of titanium-based metallic glass particles is Ti 50 Cu 20 Ni 20 al 10 (38~50μm), the aluminum alloy is 7075Al in the 7xxx series alloy.
[0028] (2) Put the prepared mixed material into a cold pressing mold of a rapid hydraulic press at room temperature for cold pressing at a pressure of 5-20 MPa to obtain a titanium-based metallic glass particle-reinforced aluminum-based composite blank.
[0029] (3) Put the prepare...
Embodiment 2
[0032] (1) Powder mixing: put titanium-based metallic glass particles with a volume fraction of 11% and aluminum alloy powder with a volume fraction of 89% into a ball mill jar, and mix the powder on a ball mill for 24 hours to obtain a mixed material. In this example, the titanium-based metallic glass particles are prepared by mechanical alloying process, and the mechanical alloying is carried out on a planetary ball mill at room temperature, the ball-to-material ratio is 10:1, the ball milling speed is 245rpm, and the ball milling time is 10h. The composition of titanium-based metallic glass particles is Ti 50 Cu 20 Ni 20 al 10 (38~50μm), the aluminum alloy is 7075Al in the 7xxx series alloy.
[0033] (2) Put the prepared mixed material into a cold pressing mold of a rapid hydraulic press at room temperature for cold pressing at a pressure of 5-20 MPa to obtain a titanium-based metallic glass particle-reinforced aluminum-based composite blank.
[0034] (3) Put the prepar...
Embodiment 3
[0037] (1) Powder mixing: put 20% titanium-based metallic glass particles and 80% aluminum alloy powder into a ball mill jar, and mix the powder on a ball mill for 24 hours to obtain a mixed material. In this example, the titanium-based metallic glass particles are prepared by mechanical alloying process, and the mechanical alloying is carried out on a planetary ball mill at room temperature, the ball-to-material ratio is 10:1, the ball milling speed is 245rpm, and the ball milling time is 10h. The composition of titanium-based metallic glass particles is Ti 50 Cu 20 Ni 20 al 10 (38~50μm), the aluminum alloy is 7075Al in the 7xxx series alloy.
[0038](2) Put the prepared mixed material into a cold pressing mold of a rapid hydraulic press at room temperature for cold pressing at a pressure of 5-20 MPa to obtain a titanium-based metallic glass particle-reinforced aluminum-based composite blank.
[0039] (3) Put the prepared composite material billet into an aluminum sheath,...
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Abstract
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