WN2 and LiBH4 powder added high-strength aluminum alloy and preparation method thereof
A high-strength, aluminum alloy technology, applied in the field of high-strength aluminum alloys, can solve the problems of not meeting the requirements of mechanical properties, low hardenability of large ingots, poor formability, etc., to achieve uniform microscopic distribution and shorten dispersion. and uniform time, strength and hardness increasing effect
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Embodiment 1
[0033] A way to add WN 2 and LiBH 4 Powdered high-strength aluminum alloy, in mass percent, including 0.5% Si, 0.5% Fe, 0.15% Cu, 0.45% Mg, 0.25% Zn, 0.15% Sn, 0.01% Ti, 0.65% W, 1.3% N, 0.6% Li, 0.65% B, the balance is Al and unavoidable impurities, the content of each impurity does not exceed 0.05% of the total mass percentage, and the content of all impurities does not exceed the total mass 0.15% of the percentage.
[0034] The present invention also provides a method for preparing the high-strength aluminum alloy, adding WN in a composite treatment 2 and LiBH 4 , including the following steps:
[0035] Step 1: Prepare materials according to the components of the high-strength aluminum alloy, including 0.5% Si, 0.5% Fe, 0.15% Cu, 0.45% Mg, 0.25% Zn, and 0.15% Sn in the mass percentage of the total product , 0.01% Ti;
[0036] Step 2: Add aluminum ingots or molten aluminum into the smelting furnace first, heat it to melt it completely, add the materials prepared in Ste...
Embodiment 2
[0039] A way to add WN 2 and LiBH 4 Powdered high-strength aluminum alloy, in mass percent, including 0.6% Si, 0.4% Fe, 0.25% Cu, 0.52% Mg, 0.2% Zn, 0.25% Sn, 0.03% Ti, 0.95% W, 1.9% N, 0.95% Li, 0.95% B, the balance is Al and unavoidable impurities, the content of each impurity does not exceed 0.05% of the total mass percentage, and the content of all impurities does not exceed the total mass 0.15% of the percentage.
[0040] The present invention also provides a method for preparing the high-strength aluminum alloy, adding WN in a composite treatment 2 and LiBH 4 , including the following steps:
[0041] Step 1: Prepare materials according to the components of the high-strength aluminum alloy, including 0.6% of Si, 0.4% of Fe, 0.25% of Cu, 0.52% of Mg, 0.2% of Zn, and 0.25% of Sn in the mass percentage of the total product , 0.03% Ti;
[0042] Step 2: Add aluminum ingots or molten aluminum into the smelting furnace first, heat it to melt it completely, add the material...
Embodiment 3
[0045] A way to add WN 2 and LiBH 4 Powdered high-strength aluminum alloy, by mass percentage, including 0.7% Si, 0.3% Fe, 0.35% Cu, 0.6% Mg, 0.15% Zn, 0.35% Sn, 0.04% Ti, 1.2% W, 2.4% N, 1.2% Li, 1.2% B, the balance is Al and unavoidable impurities, the content of each impurity does not exceed 0.05% of the total mass percentage, and the content of all impurities does not exceed the total mass 0.15% of the percentage.
[0046] The present invention also provides a method for preparing the high-strength aluminum alloy, adding WN in a composite treatment 2 and LiBH 4 , including the following steps:
[0047] Step 1: Prepare materials according to the components of the high-strength aluminum alloy, including 0.7% of Si, 0.3% of Fe, 0.35% of Cu, 0.6% of Mg, 0.15% of Zn, and 0.35% of Sn in the mass percentage of the total product , 0.04% Ti;
[0048] Step 2: Add aluminum ingots or molten aluminum into the smelting furnace first, heat it to melt it completely, add the material...
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