Ivyleen Bernardo-Arugay
(Ceramic Researches for Engineering, Advanced Technology, and Environment (C.R.E.A.T.E), Research Center for Advanced Ceramics (RCAC), Mindanao State University, Iligan Institute of Technology, Iligan City 9200, Lanao del Norte)
Abstract: Composite materials consist of a matrix and a filler, which, although immiscible, work synergistically to enhance strength and reduce weight, making them ideal for portable structural applications. Polymers are commonly used but often lack the required mechanical strength. To address this limitation, CerMetaCS, a ceramic–metal composite, was developed to enhance the performance of ceramic–polymer systems. Ceramic inserts from mining silt waste, with a high modulus of rupture, were used as fillers in an aluminum matrix for ballistic applications. Two fabrication routes were tested: investment casting and permanent mold. Investment casting failed to form complete layers, making the permanent mold a more suitable method for CerMetaCS fabrication. Characterization confirmed the suitability of local Nickel and Gold Mine Wastes (high Fe2O3, SiO2) as reinforcement. Ballistic tests showed ceramic-reinforced composites outperformed monolithic aluminum, demonstrating both enhanced impact resistance and a sustainable approach to waste valorization.
Key Words: cermet; composite materials; ceramic-metal composite; mining wastes; sustainable materials; waste valorization
Ivyleen Bernardo-Arugay
(Ceramic Researches for Engineering, Advanced Technology, and Environment (C.R.E.A.T.E), Research Center for Advanced Ceramics (RCAC), Mindanao State University, Iligan Institute of Technology, Iligan City 9200, Lanao del Norte)
Leaniel Silva
(Ceramic Researches for Engineering, Advanced Technology, and Environment (C.R.E.A.T.E), Research Center for Advanced Ceramics (RCAC), Mindanao State University, Iligan Institute of Technology, Iligan City 9200, Lanao del Norte)
Christnel Ceballos
(Ceramic Researches for Engineering, Advanced Technology, and Environment (C.R.E.A.T.E), Research Center for Advanced Ceramics (RCAC), Mindanao State University, Iligan Institute of Technology, Iligan City 9200, Lanao del Norte)
Katrina Miguel
(Ceramic Researches for Engineering, Advanced Technology, and Environment (C.R.E.A.T.E), Research Center for Advanced Ceramics (RCAC), Mindanao State University, Iligan Institute of Technology, Iligan City 9200, Lanao del Norte)
Michelle Gay Coral
(Ceramic Researches for Engineering, Advanced Technology, and Environment (C.R.E.A.T.E), Research Center for Advanced Ceramics (RCAC), Mindanao State University, Iligan Institute of Technology, Iligan City 9200, Lanao del Norte)
Christian Julle Saladaga
(Ceramic Researches for Engineering, Advanced Technology, and Environment (C.R.E.A.T.E), Research Center for Advanced Ceramics (RCAC), Mindanao State University, Iligan Institute of Technology, Iligan City 9200, Lanao del Norte)
Hannaloe Olaco
(Ceramic Researches for Engineering, Advanced Technology, and Environment (C.R.E.A.T.E), Research Center for Advanced Ceramics (RCAC), Mindanao State University, Iligan Institute of Technology, Iligan City 9200, Lanao del Norte)
Raymond Rivera Virtudazo
(Ceramic Researches for Engineering, Advanced Technology, and Environment (C.R.E.A.T.E), Research Center for Advanced Ceramics (RCAC), Mindanao State University, Iligan Institute of Technology, Iligan City 9200, Lanao del Norte)
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