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This research was conducted to compare class C and class F fly ash as cementitious materials. The fly ash was supplied by local power plants in Malaysia. The chemical composition analysis showed that class F fly ash has more Si and Al content compared to class C fly ash which affects the amount of the produced gel during the pozzolanic reactivity or/and geopolymerization. The chemical bonding analysis...
Now a days it is very common interest for engineers to improve the surface quality. Improvement of surface quality deals with several factors like cutting condition, heat generation, heat dissipation, selection of cutting fluid etc. Above all the factors it is very important to know about the change in microstructure and behavior of the material. The surface quality that is the change in microstructure...
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