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Ceramic Coating on Aluminum Base metal
01-14-2019, 09:22 AM
Post: #1
demionkrishan Offline
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Ceramic Coating on Aluminum Base metal
Hi all,
So far i never used to spray HVOF / Plasma coating on Aluminum base material.
is there anybody can help me regarding this?
will HVOF / Plasma process work on aluminum base material?
what type of powders can use for wear resistance on Aluminum base?
melting point of aluminum will be around 600C, is this process will damage the
component during spray?

Please share your experience, Thank you all in advance

Regards
Krishan
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01-14-2019, 11:36 AM
Post: #2
Vadim Verlotski Offline
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RE: Ceramic Coating on Aluminum Base metal
(01-14-2019 09:22 AM)demionkrishan Wrote:  Hi all,
So far i never used to spray HVOF / Plasma coating on Aluminum base material.
is there anybody can help me regarding this?
will HVOF / Plasma process work on aluminum base material?
what type of powders can use for wear resistance on Aluminum base?
melting point of aluminum will be around 600C, is this process will damage the
component during spray?

Please share your experience, Thank you all in advance

Regards
Krishan

Hi Krishan,

Coating on aluminum substrates is no problem at all. The adhesion of ceramic layers is sometimes even better in comparison with the coating on steel. Even large layer thicknesses are possible. You just have to be careful that your component does not get too hot during coating (low single pass thicknesses and good cooling).
Of course, this is only about the applications at room temperature (up to about 300°C).

Regards
Vadim
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01-17-2019, 04:10 PM
Post: #3
Lemster68 Offline
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RE: Ceramic Coating on Aluminum Base metal
Vadim, what is your opinion of preheating for an Aluminum substrate? Very minimal preheat or none at all? I am asking because I am concerned about oxidation on the Aluminum.
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01-17-2019, 06:52 PM
Post: #4
Vadim Verlotski Offline
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RE: Ceramic Coating on Aluminum Base metal
(01-17-2019 04:10 PM)Lemster68 Wrote:  Vadim, what is your opinion of preheating for an Aluminum substrate? Very minimal preheat or none at all? I am asking because I am concerned about oxidation on the Aluminum.

We coat aluminum without preheating, although preheating to max. 200-250°C would also be possible.
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01-17-2019, 07:22 PM
Post: #5
Lemster68 Offline
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RE: Ceramic Coating on Aluminum Base metal
(01-17-2019 06:52 PM)Vadim Verlotski Wrote:  
(01-17-2019 04:10 PM)Lemster68 Wrote:  Vadim, what is your opinion of preheating for an Aluminum substrate? Very minimal preheat or none at all? I am asking because I am concerned about oxidation on the Aluminum.

We coat aluminum without preheating, although preheating to max. 200-250°C would also be possible.

Thank you Vadim!
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