A kind of preparation method of tin phosphorus alloy
An alloy and tin flake technology is applied in the field of preparation of tin-phosphorus alloys, which can solve the problems of insufficient content, poor anti-oxidation effect, and inability to exert anti-oxidation well, and achieve the effect of broad application prospects.
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[0023] The preparation method of tin phosphorus alloy of the present invention comprises the following steps:
[0024] S1. Melting tin with a purity of 99.99% to make a circular tin sheet with a thickness of 0.3-0.5 mm and a diameter of 150 mm;
[0025] After S2, 150# flat-bottomed graphite crucible is preheated to 200 ℃, the red phosphorus of 3kg purity ≥ 99.9%, the 20kg round tin sheet that step S1 makes, and 2kg active carbon are bottom-up in described flat-bottomed graphite crucible Lay the lower activated carbon layer, the alternately laid tin sheet layer and red phosphorus layer, and the upper activated carbon layer, wherein the weight of the upper layer of activated carbon is 1kg, and the weight of the lower layer of activated carbon is 1kg; after pressing the tin sheet layer and the red phosphorus layer tightly, use refractory mud The crucible is sealed;
[0026] S3. Put the crucible loaded in step S2 into the coke furnace, turn on the blower to heat to 600°C, react f...
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