A kind of preparation technology of tin-lead alloy material with low melting point and high pressure resistance
A tin-lead alloy and preparation process technology, which is applied in the field of metal material design to achieve the effects of high compressive strength, low production cost and equipment safety protection
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Embodiment 1
[0035] A preparation process of a low-melting-point high-pressure-resistant tin-lead alloy material of the present embodiment comprises the following steps:
[0036] (1) Prepare raw materials according to the following parts by mass: 1 part of tin, 30 parts of lead, 40 parts of bismuth, and 0.005 part of cadmium; wherein the purity of tin is ≥99.8%, the purity of lead is ≥99.8%, and the purity of bismuth is ≥99.8%. The tin material, lead material and bismuth material are lumpy with a size of 22mm, and the cadmium material is spherical with a diameter of 5mm.
[0037] (2) Put the above-mentioned raw materials of lead, bismuth and cadmium into the smelting furnace, adjust the smelting temperature to 700°C for smelting, and stir and melt;
[0038] (3) Adjust the smelting temperature to 300°C. When the temperature in the furnace drops to 300°C, add the above-mentioned tin raw material by mass, stir until it is completely melted, remove the surface slag, and let it stand to obtain ...
Embodiment 2
[0044] A preparation process of a low-melting-point high-pressure-resistant tin-lead alloy material of the present embodiment comprises the following steps:
[0045] (1) Prepare raw materials according to the following mass parts: 35 parts of tin, 40 parts of lead, 50 parts of bismuth, and 0.015 parts of cadmium; wherein the purity of tin is ≥99.8%, the purity of lead is ≥99.8%, and the purity of bismuth is ≥99.8%. Tin material, lead material and bismuth material are in block shape with a size of 28mm, and cadmium material is in block shape with a diameter of 5mm.
[0046] (2) Put the above-mentioned raw materials of lead, bismuth and cadmium into the smelting furnace, adjust the smelting temperature to 750°C for smelting, and stir and melt;
[0047](3) Adjust the smelting temperature to 330°C. When the temperature in the furnace drops to 330°C, add the above-mentioned tin raw material by mass, stir until it is completely melted, remove the slag from the surface layer, and let...
Embodiment 3
[0053] A preparation process of a low-melting-point high-pressure-resistant tin-lead alloy material of the present embodiment comprises the following steps:
[0054] (1) Prepare raw materials according to the following parts by mass: 5 parts of tin, 45 parts of lead, 60 parts of bismuth, and 0.025 parts of cadmium; wherein the purity of tin is ≥99.8%, the purity of lead is ≥99.8%, and the purity of bismuth is ≥99.8%. Tin material, lead material and bismuth material are lumpy with a size of 40mm, and cadmium material is spherical with a diameter of 6mm.
[0055] (2) Put the above-mentioned lead, bismuth, and cadmium raw materials in the melting furnace, adjust the melting temperature to 800°C for refining, and stir and melt;
[0056] (3) Adjust the smelting temperature to 350°C. When the temperature in the furnace drops to 350°C, add the above-mentioned tin raw material by mass, stir until it is completely melted, remove the surface slag, and let it stand to obtain an alloy hot...
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Abstract
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