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  3/16" wire metal spraying
Posted by: diraztol - 08-09-2006, 12:47 PM - Forum: Surface Engineering Threads - Replies (15)

Dear All;

Could you please share your experience about using 3/16" (4,76 mm) arc-wire system compared to 1/8" (2,3 mm) arc sytem?

Regards

Tolga Diraz

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  Niobium Carbide
Posted by: Nick Moroz - 08-03-2006, 02:24 PM - Forum: Surface Engineering Threads - Replies (2)

I am a research student at the University of Michigan Dearborn. We are conducting research related to plasma spraying.

Can anyone help with any preferable particle size or parameters for spraying NbC, and or ,Tantalum Carbide with a Praxair SG100 plasma gun?

Thank you,

Nick Moroz

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  BOILER TUBE COATING
Posted by: ehasan - 07-30-2006, 04:42 PM - Forum: Surface Engineering Threads - Replies (4)

We are carrying out Boiler Tube Coating by TAFA ARC SPRAY PROCESS. We have TAFA 8030 ARC SPRAY system. These coatings are currently being done in Running units during ANNUAL shutdown in S.- BENDS & ECONOMISER region.

We would like to know if we can carry out coating on New Boiler tubes and if so how does ARC SPRAY COMPARE TO HVOF as far life expectancy is compared. We are currently using BONDARC75B & TAFA 95MXC wires.

WHAT is the life expectancy of Coated & uncoated Tubes respectively.

Will appreciate if anybody has relevant experience on the matter to give us an opinion.

Thanks

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  Metco 443 Microctrusture Trouble
Posted by: William - 07-29-2006, 08:47 AM - Forum: Surface Engineering Threads - Replies (8)

Dear all,
We sprayed bond coating of Metco 443 powder by Metco 6P Gun. The fine unmelted particles were observed in the coating Microctrustures. Is there any method to reduce its emergence?
Thanks,
Best regards,

William

[Image: 443ns-2.jpg]

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  Axial III Plasma Torch system
Posted by: William - 07-29-2006, 06:12 AM - Forum: Surface Engineering Threads - Replies (5)

Dear all:
I want to look for about Axial III plasma Torch System. Can you tell me how to receive these information?
Thanks,
Best regards,
William

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  Market
Posted by: Nilceu - 07-28-2006, 03:05 PM - Forum: Products and Services - Replies (4)

Which the size (US$) of the world market of Thermal Spray?

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  ceramic coating
Posted by: ckb - 07-28-2006, 02:52 AM - Forum: Surface Engineering Threads - Replies (3)

i am a newbie and very interested to know more about ceramic coating.
i would like to know about type of cemamic that can be coated on metal parts use in car. would anyone do me a favour?

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  Fusing process
Posted by: Arturas - 07-26-2006, 06:49 AM - Forum: Surface Engineering Threads - Replies (3)

Hello,
I hear a lot of speech about fusing process. We do it also in our company. But it is very intresting for my to know : what is difference if I perform fusing with acetylene and if I perform fusing with propane??? I understand that fusing with propane oxidize coating, but is it really make so big influence to wear resistance of the coating???

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  Cracking of WC-Co-Cr coatings
Posted by: Graham Bulman - 07-19-2006, 12:18 PM - Forum: Surface Engineering Threads - Replies (2)

I have a problem with cracks appearing in WC-Co-Cr coatings applied by HVOF. What are the process parameters that should be adjusted to alleviate this problem?

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  Bond strength
Posted by: abhalla - 07-18-2006, 04:04 PM - Forum: Surface Engineering Threads - Replies (2)

I am a new subscriber to this forum . I want to verify the bond strength for cabon steel powder thermal sprayed (plasma spray process) on a low carbon steel substrate. Is there an international standard for such a test .

Any concerns/issues on above . It is an automotive component

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