Method for decreasing silicon content of transformation induced plasticity (TRIP) steel during phase transformation process
A technology of phase change induced plasticity and silicon content, which is applied in the field of phase change induced plasticity steel preparation, can solve the problem of deterioration of hot rolling performance and coating performance, poor toughness of phase change induced plasticity steel continuous casting slabs, and reduction of phase change induction plasticity steel Silicon content and other issues, to achieve the effect of simple hot rolling treatment process, reduce silicon content, and unique and novel methods
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example 1
[0021]First, weigh 50% solid scheelite, 15% silicon beryllium yttrium, 8% silicon carbide reduced scheelite, 7% silicon beryllium yttrium, 10% silicon reduced scheelite, mix well and put into a container, and add 30% of the mass of the mixture sodium hydroxide and 1 times the mass of the mixture of deionized water, stir and mix, and then add 15% of the mass of the mixture of silicon dioxide powder, continue to stir and mix, and let it stand for 15 minutes. After standing still, take 10% of the mass of the mixture and pour 25% hydrochloric acid into it, stir at 38°C until a semi-permeable membrane sticky substance is produced, and scrape off the sticky substance on the container wall, which is sodium silicate; Then put the obtained sodium silicate in the reaction kettle, and add 40% sodium hydroxide solution with twice the mass of sodium silicate to it, stir evenly, and react at a temperature of 500° C. and a pressure of 8 MPa for 30 minutes. After the reaction is over, reduce ...
example 2
[0024] First, weigh 55% solid scheelite, 18% silicon beryllium yttrium, 9% silicon carbide reduced scheelite, 7.5% silicon beryllium yttrium, 11% silicon reduced scheelite, mix well and put into a container, and add 40% of the mass of the mixture sodium hydroxide and 1.5 times the mass of the mixture of deionized water, stir and mix, then add 20% of the mass of the mixture of silicon dioxide powder, continue to stir and mix, and let it stand for 20 minutes. After standing still, pour 13% of the mass of the mixture into hydrochloric acid with a mass concentration of 25%, stir at 38°C until a semi-permeable membrane sticky substance is produced, and scrape off the sticky substance on the container wall, which is sodium silicate; Then place the obtained sodium silicate in a reaction kettle, and add 2.5 times the mass of sodium silicate to it and a 40% sodium hydroxide solution, stir evenly, and react at a temperature of 530° C. and a pressure of 9 MPa for 35 minutes. After the re...
example 3
[0027] First, weigh 60% solid scheelite, 20% silicon beryllium yttrium, 10% silicon carbide reduced scheelite, 8% silicon beryllium yttrium, 12% silicon reduced scheelite, mix well and put into a container, and add 50% of the mass of the mixture of sodium hydroxide and 2 times the mass of the mixture of deionized water, stir and mix, then add 25% of the mass of the mixture of silicon dioxide powder, continue to stir and mix, and then let it stand for 25 minutes. After standing still, take 15% of the mass of the mixture and pour 25% hydrochloric acid into it, stir at 38°C until a semi-permeable membrane sticky substance is produced, and scrape off the sticky substance on the container wall, which is sodium silicate; Then put the obtained sodium silicate in the reaction kettle, and add 40% sodium hydroxide solution with a mass concentration of 3 times the mass of sodium silicate therein, stir evenly, and react at a temperature of 550° C. and a pressure of 10 MPa for 40 minutes. ...
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