[PDF][PDF] Rekayasa Peningkatan Kekerasan Permukaan Gear Sprocket Sepeda Motor dengan Metode Quenching Variasi Media Pendingin

RN Fattah, S Sugiyanto… - Quantum Tek. J …, 2023 - pdfs.semanticscholar.org
This study used an experimental research method, which is a research method that aims to
understand the causal process by treatment and conducting controlled testing on a sample …