Special high-temperature fly ash wear resistant arc spraying wire for amorphous nanocrystal
An amorphous nanocrystalline and fly ash wear technology, which is applied in coating, fusion spraying, metal material coating process, etc., to achieve the effect of high hardness, high bonding strength, and uniform coating structure.
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Embodiment 1
[0017] Take an appropriate amount of alloy powder containing the above-mentioned inventive components Cr, Mo, B, Nb, C, Mn, Si and put it into a powder mixer and mix for 30 minutes, then add the mixed powder into the U-shaped groove of the low-carbon steel strip; put the U-shaped The groove is closed, so that the powder is wrapped in it, and then drawn one by one by a wire drawing machine, and the diameter is reduced, and finally the diameter reaches the specified value of 2.0mm arc sprayed wire. The content of the wire is Cr21.0%, Mo5.0 by mass percentage %, B4.0%, Nb4.0%, C2.0%, Mn1.5%, Si1.0%, residual iron.
[0018]
Embodiment 2
[0020] Take an appropriate amount of alloy powder containing the above-mentioned inventive components Cr, Mo, B, Nb, C, Mn, Si and put it into a powder mixer and mix for 30 minutes, then add the mixed powder into the U-shaped groove of the low-carbon steel strip; put the U-shaped The slots are closed, so that the powder is wrapped in it, and then drawn and reduced one by one through the wire drawing machine, and finally the arc sprayed wire whose diameter reaches the specified value of 2.0mm. According to mass percentage, the content of wire material is Cr22.0%, Mo5.0%, B4.5%, Nb4.0%, C1.5%, Mn1.5%, Si0.5%, and residual iron.
[0021] As shown in Table 1, the arc spraying coating developed by the present invention has a large high-temperature hardness value and good wear resistance; its high-temperature relative wear resistance exceeds any arc spraying material currently on the market, and can effectively improve metal structures and devices. The performance of components in h...
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