Problem Solving Forum


July 24 - July 28, 2017

After applying a thermal spray coating on a petrochemical industry live line that operates at 48 degrees Celsius (118 degrees Fahrenheit), the coating sustained a brown discoloration on the bottom of the pipe. What would cause this discoloration of a TSA coating?


Selected Answers

From wenbo chen of Morimatsu on November 28, 2017:
I also want to know the degree of acceptance of su ...read more

From David Grove of The Grove Real Estate Group on August 15, 2017:
Both of the above answers are correct; however, bo ...read more

From RON PLUENNEKE of Sentinel integrity solutions on August 8, 2017:
Thermal spray aluminum (electric arc & flame) ...read more

From OM PRAKASH JAT of TECH INTERNATIONAL SHARJAH HAMRIAH UAE. on August 6, 2017:
Moisture in the air emanates discoloration and rus ...read more

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Tagged categories: Galvanized/thermal spray coatings; Quality Control; Thermal spray