Ternary boride reinforced iron-based wear resistance coating and preparation method thereof
A ternary boride and wear-resistant coating technology, which is applied in coatings, metal material coating processes, etc., can solve problems such as complex coating preparation processes, and achieve high hardness and wear resistance
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[0033] Example 1
[0034] The ternary boride reinforced iron-based wear-resistant coating of this embodiment is prepared according to the following steps:
[0035] (1) Preparation of ternary boride powder: Weigh TiO 2 Powder 26.6kg, Cr 2 O 3 Powder 35.9kg, B 4 C powder 25.9kg, C powder 11.6kg, Fe powder 2kg, mixed to obtain mixed powder 1, add 1.5kg polyvinyl alcohol and 100L purified water to mixed powder 1, after ball milling, the speed of the ball mill is 300r / min, ball milling time 2h, spray granulation, reaction sintering (sintering system: Ar 2 Protection, control the temperature at 1300~1350℃, hold time for 2h, and cool with the furnace) to prepare Cr 0.5 Ti 0.5 B 2 , Namely ternary boride powder (the particle size of the prepared ternary boride powder is 10-150μm);
[0036] (2) Surface treatment of Q235 steel substrate: Firstly, the Q235 steel substrate is polished with a corundum grinder to remove the rust on the surface and increase the surface roughness, then smooth it wit...
Example Embodiment
[0039] Example 2
[0040] The ternary boride reinforced iron-based wear-resistant coating of this embodiment is prepared according to the following steps:
[0041] (1) Preparation of ternary boride powder: Weigh TiO 2 Powder 26.6kg, Cr 2 O 3 Powder 35.9kg, B 4 C powder 25.9kg, C powder 11.6kg, Fe powder 2kg, mixed to obtain mixed powder 1, add 1.5kg polyvinyl alcohol and 100L purified water to mixed powder 1, after ball milling, the speed of the ball mill is 300r / min, ball milling time 2h, spray granulation, reaction sintering (sintering system is: H 2 Protection, control the temperature at 1350~1400℃, hold time for 2h, and cool with the furnace) to prepare Cr 0.5 Ti 0.5 B 2 , Namely ternary boride powder (the particle size of the prepared ternary boride powder is 90~140μm);
[0042] (2) Surface treatment of Q235 steel substrate: Firstly, the Q235 steel substrate is polished with a corundum grinder to remove the rust on the surface and increase the surface roughness, then smooth it w...
Example Embodiment
[0045] Example 3
[0046] The ternary boride reinforced iron-based wear-resistant coating of this embodiment is prepared according to the following steps:
[0047] (1) Preparation of ternary boride powder: Weigh TiO 2 Powder 26.6kg, Cr 2 O 3 Powder 35.9kg, B 4 C powder 25.9kg, C powder 11.6kg, Fe powder 2kg, mixed to get mixed powder 1, add 1.5kg polyvinyl alcohol and 100L purified water to mixed powder 1. After ball milling, the speed of the ball mill is 100r / min, and the ball milling time 5h, spray granulation, reaction sintering (sintering system is: Ar 2 Protection, control the temperature at 1400~1450℃, hold time 2h, and cool down with the furnace) to prepare Cr 0.5 Ti 0.5 B 2 , Namely ternary boride powder (the particle size of the prepared ternary boride powder is 100-150μm);
[0048] (2) Surface treatment of Q235 steel substrate: Firstly, the Q235 steel substrate is polished with a corundum grinder to remove the rust on the surface and increase the surface roughness, then smo...
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