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Study of bonding mechanism of expandable graphite based intumescent coating

Ullah, Sami and Faiz , Ahmad and Puteri , Sri Melor Bt Megat Yusoff (2010) Study of bonding mechanism of expandable graphite based intumescent coating. In: 2nd International Conference on Plant Equipment and Reliability (ICPER), 15 to 17 June 2010 , Convention Center Kuala Lumpur, Malaysia .

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Abstract

Intumescent coating is an insulating system designed to decrease heat transfer from a fire to substrate structure to maintain its integrity. Zinc phosphate was used as primer coating on steel coupons for better protection from corrosion. The coating was based on Expandable graphite (EG), ammonium poly phosphate (APP), boric acid (B.A), bisphenol A (BPA) and tetraethylene tetramine (TETA). Different formulations were developed to study the bonding of coating with Steel substrate. The Intumescent coating was tested at 500oC for one hour and it was found very stable and well bound with the steel substrate. Scanning Electron Microscope was used to study microstructure the substrate and bonding mechanism of coating with substrate after fire test. The results confirmed that coating was well bounded with steel substrate after fire test

Item Type:Conference or Workshop Item (Paper)
Subjects:T Technology > TP Chemical technology
Q Science > QD Chemistry
Departments / MOR / COE:Departments > Mechanical Engineering
ID Code:6181
Deposited By: Associate Professor Faiz Ahmad
Deposited On:07 Jul 2011 06:56
Last Modified:19 Jan 2017 08:24

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