Characterization and mechanical properties of porous ceramics with different carbon black contents

Zol Nadzruddin, Muhamad Ammar Baqir (2023) Characterization and mechanical properties of porous ceramics with different carbon black contents. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

Text (Full Text) Characterization and mechanical properties of porous ceramics with different carbon black contents.pdf - Submitted Version Download (2MB)

Abstract

Nowadays, energy conservation in structural applications is a serious challenge that has a substantial impact on the environment in Malaysia and around the world. One of the most important issues in this challenge of energy conservation is the loss of heat by convection through the use of traditional solid building materials. To address this problem, controlled porosity ceramics are utilised in a variety of functional and structural applications, such as filters, thermal insulation, bio-scaffolds, and composite preforms. High porosity, in general, leads to poor thermal conductivity, which is required for thermal insulation. Increased porosity, on the other hand, lowers the strength of ceramics in a reciprocal manner. As a result, different types, amounts, and forms of pore-forming agents (porogen) must be incorporated into a porcelain-type tile ceramic body composition to control the creation of pores. Porous ceramics are known to be extremely reliant on pore structure, with pore size, shape, and distribution all having an impact. However, it was also discovered that a phase with modest peaks and an unknown phase was present in XRD. This research demonstrated that peak formation is not much impacted by rising CB concentrations. Pores in porous ceramics were primarily created by CB microspheres losing their shape at high temperatures from SEM. The strength of sintered samples decreased from 60 MPa to 55 MPa on average as a result of the presence of CB. It is generally known that a high porosity caused a decrease in mechanical characteristics. The number of closed pores was generally decreased and more open porosity was produced by the CB. The PFA's particle size distribution had no effect on the amount of porosity, but it did have a significant impact on the number of pores, as well as their size and quantity. However, because the CB were burned off below the sintering temperature and the pores were created, the CB also did not affect any tests or results that were also clearly demonstrated in SEM.

Actions (login required)

View Item