Journal Articles

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https://hdl.handle.net/20.500.14170/316

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The influence of Pre-Heated treatment to improve adhesion bond coating strength of fly ash based geopolymer ceramic

( 2018)
L Jamaludin
;
Mohd. Mustafa Al Bakri Abdullah
;
Kamarudin Hussin
;
A Abdul Kadir

The study focus on effect of pre-heated ceramic surface on the adhesion bond strength between geopolymer coating coating and ceramic substrates. Ceramic substrates was pre-heated at different temperature (400 °C, 600 °C, 800 °C and 1000 °C). Fly ash geopolymer coating material potential used to protect surface used in exposure conditions after sintering at high temperature. Fly ash and alkali activator (Al2O3/Na2SiO3) were mixed with 2.0 solids-toliquid ratios to prepare geopolymer coating material at constant NaOH concentration of 12M. Adhesion test was conducted to determine the adhesion bond between ceramic substrates and fly ash coating material. The results showed the pre-heated ceramic substrates effect the adhesion bond of coating compared with untreated substrates with increasing of strength up to 20 % for temperature 600 °C.

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