Comparison of compressive strength of type 2GIC, TiO NANO GIC and ZnO NANO GIC
Keywords:
Artificial preparation,compressive strengths,nanoparticlesAbstract
Introduction :Glass-ionomer is the generic name of a group of materials that use silicate glass powder and aqueous solution of poly acrylic acid.
- However,They have a low compressive strength.
- This deficiency is generally held to limit their use in the stress-bearing areas.
- Nanoparticle and marine modified GICs have been shown to have fewer air voids and internal micro cracks, presumably because they are easier to mix than unmodified cements.
- In some cases this has resulted in greater compressive strengths which is why we are doing this study.
Aim: The aim of the study is to compare the compressive strengths of type 2 conventional GIC, type 2 GIC reinforced with TiO and type2 GIC reinforced with ZnO nanoparticles . Materials and Methods
The samples of 3 groups:Conventional GIC,MgO GIC and CaO GIC were mounted in Instron 3000 universal testing machine to check for the compressive strength.
- The compressive force was applied with a crosshead speed of 1.0 mm/min and the values were obtained for the samples in Newtons(N).
Results:On performing ONE-WAY ANOVA between three groups-The compressive strengths decreased in the order : Conventional GIC <TiO GIC<ZnO GIC
The p-value is 0.19. The result is insignificant at p > .05.
Conclusion:It could be concluded that compared to conventional GIC,CaO and MgO incorporated GIC have a significant difference in their compressive strengths.
The compressive strengths decreased in the order:Conventional GIC <TiO GIC<ZnO GIC
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