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Required Material for Spray
Posted by: demionkrishan - 10-18-2020, 11:34 AM - Forum: Surface Engineering Threads - Replies (1)
 Dear Thermal spray enthusiast,   I am currently working on to develop an app for calculating the Thermal spray material and cost. I need all your input to made this success. I have used below formation / formulas, which may be correct.  Please do  your own calculation and share your answer for testing purpose. Sample: Cylindrical object : 300mm diameter 5000mm Length 1. Calculating the Surface Area = pi x d x h 2. Calculate Volume : Surface area x thickness ( assume 0.5 mm / 500 microns per side) 3. Calculate weight of the material deposited = Volume X density ( Assumed 90% of density for WC10Co4Cr (13.63g/cm3) 4.  Assumed Deposit efficiency 40% Please do share your thoughts as well with your answers.  Regards, Demion

F4 nozzles 6 mm and 8 mm. Application differences
Posted by: uncle_tyoma - 10-16-2020, 09:37 AM - Forum: Surface Engineering Threads - Replies (1)
 Hi everyone. We usually use a 6 mm nozzle for F4. A nozzle with a diameter of 8 mm was obtained for the sample. There was a question about using a nozzle with a diameter of 8 mm. For what applications is the 8mm nozzle in general? Maybe for some special materials? And in general, what are the features when using this nozzle? What is the application difference between 6 and 8 mm nozzles? Grateful for any information.

Yellow Spot on Thermal Barrier Coating
Posted by: achmadarifudinh - 10-15-2020, 09:13 AM - Forum: Surface Engineering Threads - Replies (6)
 Hi friends i have a issue to my thermal barrier coating for nozzle segment in GE gas turbine. after one day spray there are yellow spot on my coating. I am spraying with 7MC unit control and 3MB gun from Metco Sulzer, bond coat: AMDRY 962 and top coat: METCO 204 NSG Could you help me, what is the reason of these yellow spots (dots) on coating? From our experience inspector it is caused by uncleaned penetrant removal process, how about you guys?? I enclosed the images for your consideration. Your recommendation will help me a lot. Thank you Best Achmad Arifudin H Attached Files Thumbnail(s)

Looking for used Rokide
Posted by: tobjung - 10-06-2020, 03:10 AM - Forum: Products and Services - No Replies
 Hi guys. I am looking for used Rokide system.  If you have ones and are willing to sell, please PM me.

Castolin Micro Gap 50DC Microplasma Welder For Sale
Posted by: kwlee - 09-16-2020, 05:20 AM - Forum: Products and Services - No Replies
 Castolin Micro Gap 50DC Microplasma Welder For Sale Condition is very good like new. Using PTA Technology and Weld like Laser. Item is in Singapore PM if interested Attached Files Thumbnail(s)

Posted by: Gordon - 09-15-2020, 05:12 PM - Forum: Forum and Website - Replies (1)
 Sorry for SEF being down on Sunday 13 September 2020 as I needed to complete a long overdue forum upgrade. All appears to be working pretty much as before, hopefully more secure. You may have noticed the change of URL address from HTTP to HTTPS. Hopefully not too many bugs are going to crawl out of the woodwork. Please do inform me of any problems.  Attached Files Thumbnail(s)

SC 3464 powder equivalent is ????
Posted by: achmadarifudinh - 09-10-2020, 07:55 AM - Forum: Surface Engineering Threads - Replies (1)
 Dear all does anyone know what the equivalent powder SC 3464 from SIEMENS proprietary ?? This powder commonly used to thermal barrier coating gas turbine part. I hope you can help me. Best Achmad Arifudin H