Iron bronze composite powder and preparation method thereof
A technology of iron bronze and composite powder, applied in metal material coating process, coating and other directions, can solve the problems of poor internal metal bonding strength, uneven distribution, low compressive strength, etc., to achieve excellent product quality and performance, reduce impurities The effect of content and excellent performance
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Embodiment 1
[0022] Embodiment 1: A kind of iron bronze composite powder, its component content is shown in Table 1. The preparation method is as follows: firstly, dissolving stannous sulfate and copper sulfate in deionized water at normal temperature, then mixing them, adjusting the pH value of the above mixed solution to 0.5 with sulfuric acid, and then adding excess reduced iron powder under stirring Carry out chemical replacement reaction; Wherein, the add-on of above-mentioned stannous sulfate, copper sulfate and excessive reduced iron powder is stannous sulfate: copper sulfate: reduced iron powder=1.8: 35.4: 100 by weight. After stirring for 1 minute, stop stirring, allow the reaction product to settle for 1 minute, remove the clear liquid, wash the obtained solid reaction product repeatedly with deionized water until the pH value of the washing water is 7, dehydrate and vacuum-dry, the drying temperature is 80°C, the drying time is 60 minutes, and finally the dried solid reaction pr...
Embodiment 2
[0023] Embodiment 2: A kind of iron bronze composite powder, its component content is shown in Table 1. The preparation method is as follows: firstly, copper sulfate and stannous sulfate are respectively dissolved in deionized water at room temperature, and then mixed, and the pH value of the above mixed solution is adjusted to 1.5 with sulfuric acid, and then excessive reduced iron powder is added under stirring Carry out chemical displacement reaction; Wherein, the add-on of above-mentioned protosulfate, copper sulfate and excessive reduced iron powder is stannous sulfate: copper sulfate: reduced iron powder=3.7:70.7:100 by weight. After 2.4 minutes of stirring reaction, stop stirring, allow the reaction product to settle for 5 minutes, remove the clear liquid, and repeatedly wash the obtained solid reaction product with deionized water until the pH value of the washing water is 7, dehydrate and vacuum dry, and the drying temperature is 95°C, the drying time is 60 minutes, a...
Embodiment 3
[0024]Embodiment 3: A kind of iron bronze composite powder, its component content is shown in Table 1. The preparation method is as follows: firstly, copper sulfate and stannous sulfate are respectively dissolved in deionized water at normal temperature, and then mixed, and the pH value of the above mixed solution is adjusted to 2.0 with sulfuric acid, and then excessive reduced iron powder is added under stirring Carry out chemical displacement reaction; Wherein, the add-on of above-mentioned tin protosulfate, copper sulfate and excessive reduced iron powder is stannous sulfate: copper sulfate: reduced iron powder=3.7:74.6:100 by weight. After 3.8 minutes of stirring reaction, the stirring was stopped, and the reaction product was allowed to settle for 5.6 minutes. After the clear liquid was removed, the solid reaction product was repeatedly washed with deionized water until the pH value of the washing water was 7, dehydrated and vacuum-dried, and the drying temperature was 8...
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