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Lightbulb Low hardness on AlTiN Coating
Posted by: Christian93 - 02-05-2021, 02:32 PM - Forum: Surface Engineering Threads - No Replies

Hello everyone,

we have an issue with one of our PVD coatings: AlTiN.
In literature and on PVD suppliers websites you can see that AlTiN coatings can reach hardness around 3000-3500 HV (~30-35 GPa), but our coating has a hardness around 1500-1800 HV, does anyone have any idea why?

Some info:
-Target: AlTi 67/33 at%
-Deposition method: cathodic arc

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  Metco 16E 14E for sale
Posted by: plasmajet1990 - 01-29-2021, 01:58 PM - Forum: Products and Services - No Replies

Hello,

I have for sale 14E and 16E guns, complete, in very good condition. 
You can check it all here:

https://plasmajet.ro/en/produs/metco-16e...condition/

https://plasmajet.ro/en/produs/flame-spr...metco-14e/

https://plasmajet.ro/en/shop/


Thanks!

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  Amdry 9951. Anyone know the maximum coating thickness
Posted by: Antcarroll - 01-28-2021, 10:12 PM - Forum: Surface Engineering Threads - Replies (2)

Amdry 9951.
Anyone know the maximum coating recomended thickness

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  Colmonoy Coating Machining
Posted by: Danmarco - 01-23-2021, 02:05 AM - Forum: Surface Engineering Threads - No Replies

Hello everyone

Would like to know which type and grade of insert is recommended and a supplier if possible
Coating nos 60 Hrc
We usually grind colmonoy, but sometimes it is needed to machine chamfers or other geometries

Thanks!!

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  seeking help regarding power soorce problem
Posted by: Kiran121 - 01-21-2021, 03:34 PM - Forum: Surface Engineering Threads - No Replies

Sign0009
I am facing very long problem related to power drop . After ignition ( min 150amp) and recepie load (500amps)  sudden jump in current more than set amps (upto550) and parameter established slowly but current will drop more than 50amp from set amps ... some time it will nt ignite flame some error   two times gun partd damaged 

[Image: aKp2YZ8FrwPcPc2cA] https://photos.app.goo.gl/aKp2YZ8FrwPcPc2cA 
shutdown B31:17/04 Plasma stopped (Current=0)
shutdown B31:18/09 Power supply IPS-1000 voltage »50V after switch on
warning B31:47/04 JAMBox: Ignition device not ready

see photos for more clearity 
please provide any information related this 
thanks in advance ! 
 

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  How to interpret the result of
Posted by: Hoon Lee - 01-19-2021, 03:21 AM - Forum: Surface Engineering Threads - Replies (2)

Hello I'm Hoon and I have a question.
please give me your opinion.

I tested some specimens following ASTM C633 method.

And one of the specimens looks like the picture I attached.
[Image: ngHRwlm] https://imgur.com/ngHRwlm
The value of tensile strength is 25.660MPa

and How do I interpret this result?

1. Some of surface still attached around 20%? So, I can assume the total strength is around 31MPa
2. Nope. No matter the rest attached or not, The tensile strength is 25.660MPa

It can be poor question, but I need your help.
I'm looking forward to your reply

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  NAVSEA Spec needed
Posted by: JeffVigor - 01-13-2021, 12:48 AM - Forum: Products and Services - No Replies

Is anyone familiar with a US Navy NAVSEA powder spec TSS-WI-1002, Tungsten Carbide?  I cannot find a spec or source for this HVOF powder material. Thanks!

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  THERMAL SPRAY GUN PARTS
Posted by: Manju_AMST - 01-10-2021, 03:48 AM - Forum: Products and Services - No Replies

Hello to all members, please write to us for any requirement of Thermal spray equipment an gun parts. Looking forward for your valuable enquiry on sales@alloymstech.com or marketing@alloymstech.com         

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  HVOF Coating Parts
Posted by: Manju_AMST - 01-06-2021, 04:19 AM - Forum: Products and Services - No Replies

Hello Thermal Spray Engineers, I am here to offer you all kinds of spare parts for thermal spray gun. Please write to sales@alloymstech.com or marketing@alloymstech.com. Rolleyes

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  Surface Treatment of Ceramic Coatings
Posted by: brkozdemir41 - 12-18-2020, 12:09 AM - Forum: Surface Engineering Threads - No Replies

Hello to everyone,


I don't know English, I'm sorry if I translated wrong. I am a Metallurgy and Materials Engineering student and need help with my homework. Is there any information you can share with me such as research or article on "Surface treatment of ceramic coatings made by plasma spraying (turning, grinding, sanding, polishing)"? I would be very happy if you share even a little information. Thank you very much in advance.


I wish you healthy days.

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