High-nitrogen composite alloy and preparation method thereof
A composite alloy, high nitrogen technology, applied in the field of metallurgy, can solve the problems of low nitrogen content and unstable quality of high nitrogen steel bars, and achieve the effect of increasing nitrogen content, avoiding cracking and spalling, and providing strength
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[0028] Example 1
[0029] A preparation method of a high nitrogen composite alloy, comprising the following steps:
[0030] S1. Preparation: Weigh 55 parts of ferrotitanium powder, 23 parts of ferroniobium powder, 10 parts of ferrosilicon nitride, 10 parts of chromium nitride, 1 part of silicon manganese nitride, 1 part of rare earth lanthanum, 3.5 parts of vinyl acetate, o-phenylene 1.5 parts of dicyclohexyl diformate, 5 parts of ethanol, 0.05 part of Span-60, for use;
[0031] Among them, the titanium content in the ferrotitanium powder is 35-75%, the niobium content in the ferroniobium powder is 50-70%, the nitrogen content in the ferrosilicon nitride is 25-32%, and the nitrogen content in the silicon-manganese nitride is 20-25% %, the nitrogen content in the chromium nitride is 5-10%;
[0032] S2. Premix 1: Add ferrotitanium powder, ferroniobium powder, ferrosilicon nitride, chromium nitride, silicon manganese nitride, and rare earth lanthanum into a high-speed ball mill...
Example Embodiment
[0038] Example 2
[0039] A preparation method of a high nitrogen composite alloy, comprising the following steps:
[0040]S1. Preparation: Weigh 25 parts of ferrotitanium powder, 55 parts of ferroniobium powder, 16 parts of ferrosilicon nitride, 16 parts of chromium nitride, 6 parts of silicon manganese nitride, 2 parts of rare earth lanthanum, 4.5 parts of vinyl acetate, o-phenylene 1.7 parts of dicyclohexyl diformate, 6 parts of ethanol, 0.06 part of Span-60, for use;
[0041] Among them, the titanium content in the ferrotitanium powder is 35-75%, the niobium content in the ferroniobium powder is 50-70%, the nitrogen content in the ferrosilicon nitride is 25-32%, and the nitrogen content in the silicon-manganese nitride is 20-25% %, the nitrogen content in the chromium nitride is 5-10%.
[0042] S2. Premix 1: Add ferrotitanium powder, ferroniobium powder, ferrosilicon nitride, chromium nitride, silicon manganese nitride, and rare earth lanthanum into a high-speed ball mil...
Example Embodiment
[0048] Example 3
[0049] A preparation method of a high nitrogen composite alloy, comprising the following steps:
[0050] S1. Material preparation: Weigh 40 parts of ferrotitanium powder, 40 parts of ferroniobium powder, 15 parts of ferrosilicon nitride, 13 parts of chromium nitride, 5 parts of silicon manganese nitride, 3 parts of rare earth lanthanum, 5 parts of vinyl acetate, o-phenylene 2 parts of dicyclohexyl diformate, 7 parts of ethanol, 0.07 part of Span-60, for use;
[0051] Among them, the titanium content in the ferrotitanium powder is 35-75%, the niobium content in the ferroniobium powder is 50-70%, the nitrogen content in the ferrosilicon nitride is 25-32%, and the nitrogen content in the silicon-manganese nitride is 20-25% %, the nitrogen content in the chromium nitride is 5-10%.
[0052] S2. Premix 1: Add ferrotitanium powder, ferroniobium powder, ferrosilicon nitride, chromium nitride, silicon manganese nitride, and rare earth lanthanum into a high-speed ba...
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