Heat resistant magnesium alloy and composite material containing heat resistant magnesium alloy and its preparation method
A technology for porous composite materials and magnesium alloys is applied in the field of heat-resistant magnesium alloys and composite materials containing heat-resistant magnesium alloys, and can solve the problems of unstable absorption rate of alloys, affecting alloy properties, etc., and achieves low cost and high production efficiency. The effect of low cost and good damping performance
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Embodiment 1
[0012] A heat-resistant magnesium alloy, the composition of which is composed of 3% Al, 0.5% Zn, 0.5% Ti, 1% Sn, 0.01% La, 0.5% Si, 0.05% Zr and the rest is Mg.
[0013] A porous composite material containing a heat-resistant magnesium alloy, the material is a metal-based composite material containing inorganic non-metallic phase mixed particles, the metal matrix is a heat-resistant magnesium alloy, and the inorganic non-metallic phase mixed particles have pores Perlite and floating beads, the size of the mixed particles of perlite and floating beads in the alloy is 0.5mm, and the density of perlite is 1g / cm 3 , the density of floating beads is 0.8g / cm 3 , the volume percentage of the inorganic non-metal phase mixed particles in the porous composite material is 20%, and the weight ratio of perlite and floating beads in the inorganic non-metal phase mixed particles is 9.5:0.5.
[0014] A method for preparing a heat-resistant magnesium alloy, the preparation steps are as foll...
Embodiment 2
[0017] A heat-resistant magnesium alloy, the composition of which is composed of 7% Al, 5% Zn, 2% Ti, 6% Sn, 0.1% La, 4% Si, 0.6% Zr, and the rest is Mg.
[0018] A porous composite material containing a heat-resistant magnesium alloy, the material is a metal-based composite material containing inorganic non-metallic phase mixed particles, the metal matrix is a heat-resistant magnesium alloy, and the inorganic non-metallic phase mixed particles have pores Perlite and floating beads, the size of the mixed particles of perlite and floating beads in the alloy is 2mm, and the density of perlite is 2.2g / cm 3 , the density of floating beads is 1.2g / cm 3 , the volume percentage of the inorganic non-metal phase mixed particles in the porous composite material is 75%, and the weight ratio of perlite and floating beads in the inorganic non-metal phase mixed particles is 0.5:9.5.
[0019] A method for preparing a heat-resistant magnesium alloy, the preparation steps are: first, accord...
Embodiment 3
[0022] A heat-resistant magnesium alloy, the composition of which is composed of 7% Al, 2% Zn, 2% Ti, 3% Sn, 0.08% La, 4% Si, 0.5% Zr, and the rest is Mg.
[0023] A porous composite material containing a heat-resistant magnesium alloy, the material is a metal-based composite material containing inorganic non-metallic phase mixed particles, the metal matrix is a heat-resistant magnesium alloy, and the inorganic non-metallic phase mixed particles have pores Perlite and floating beads, the size of the mixed particles of perlite and floating beads in the alloy is 1mm, and the density of perlite is 1.5g / cm 3 , the floating bead density is 1.0g / cm 3 The volume percentage of the inorganic non-metal phase mixed particles in the porous composite material is 50%, and the weight ratio of perlite and floating beads in the inorganic non-metal phase mixed particles is 1:1.
[0024] A method for preparing a heat-resistant magnesium alloy, the preparation steps are: first, according to th...
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