Pengaruh Variasi Suhu Pembakaran Terhadap Karakterisasi Keramik Berpori Berbasis Tanah Lempung (Clay) dan Abu Ampas Tebu

Abstract

The purpose of this study was to ascertain how temperature variation affected the structural characteristics of porous ceramics. The materials used were clay and bagasse ash. The die pressing method was used to create porous ceramics, with a sample mold size of 3 × 3 × 2 cm. During 4 hours, the samples were sintered at temperatures ranging from 800°C to 900°C, 1000°C, and 1100°C. Ceramics were examined by evaluating physical parameters (dry shrinkage and burn shrinkage), mechanical qualities (compressive strength and impact strength), and SEM-EDX characterization analysis. The characteristic values revealed that sample C2 had the greatest composition variation with a dry shrinkage value = 4.477%; burn shrinkage = 6.425%; compressive strength = 19.728 MPa; impact strength = 0.957 J/cm2 and the results of ceramic characterization analysis showed pores measuring ±20μm and elemental content, namely Oxygen (O) = 40.4%; Silicon (Si) = 19.0%; Aluminum (Al) = 13.6. Characteristic results with the worst composition variation occurs in sample A10 shows the value of dry shrinkage = 1.753%; shrinkage burn = 2.366%; compressive strength = 4.206 Mpa; impact strength = 0.109 J/cm2 and the results of the analysis of ceramic characteristics obtained pore size 10-100μm. The elemental content is Oxygen (O) = 43.6%; Calcium (Ca) = 18.7%; Silicon (Si) = 18.1%. This ceramic is categorized as a type of macroporous ceramic with a pore size of > 50 nm.