Morphology and Mechanical Properties of Porous Ceramics with Corn Leaf Ash Addition

Ridwan Lubis; Mulkan Iskandar Nasution; Hariyati Lubis

doi:10.55927/ajns.v3i1.11810

Authors

Ridwan Lubis State Islamic University of North Sumatera
Mulkan Iskandar Nasution State Islamic University of North Sumatra
Hariyati Lubis Amir Hamzah University

DOI:

https://doi.org/10.55927/ajns.v3i1.11810

Keywords:

Ceramic, Al2O3, Additives, Corn Leaf

Abstract

Porous ceramics with alumina (Al2O3) material with the addition of corn leaf ash additives heated by a furnace at 600 0C. Alumina powder is mixed with additives with variations of 100%: 0%, 90% : 10%, 80% : 20% and 70%: 30%. The sample was molded using the dry pressing method and then tested for SEM, density, porosity and compressive strength. The resulting porous ceramic characterization results are: density of 1.20 - 1.79 g/cm3, porosity of 29.75 - 61.03%, water absorption of 16.60 - 50.80%, hardness of 41.41 - 187.58 MPa, compressive strength of 3.51 - 84.49 MPa. The more the composition of corn leaf ash, the higher the porosity while the compressive strength has decreased.

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