Pengaruh Penambahan Partikel Non-logam Hasil Daur Ulang Printed Circuit Board dan Surfaktan Sodium Dodecylbenzene Sulfonate sebagai Media Pendingin Micro dispersed fluid pada Proses Quenching Baja AISI 4140 = The Influence of Adding Non-metal Particle from Recycled Printed Circuit Boards and Sodium Dodecylbenzene Sulfonate Surfactant as a Nanofluid Cooling Medium on the Quenching Process of AISI 4140 Steel

Pengaruh Penambahan Surfaktan Sodium Dodecylbenzene Sulfonate dan Persentase Konsentrasi Partikel Limbah Printed Circuit Board pada Larutan Micro Thermal Fluids sebagai Media Quench Terhadap Kekerasan dan Mikrostruktur yang Dihasilkan pada Baja S45c = The Effect Addition of Sodium Dodecylbenzene Sulfonate Surfactant and Percentage Concentration of Printed Circuit Board Waste Particle in Nanofluid Solution as Quenching Media on Hardness and Microstructure Produced in S45C Steel

Pengaruh penambahan sodium dodecyl benzene sulphonate sebagai surfaktan terhadap konduktivitas termal nanofluida berbasis carbon nanotubes sebagai media quench pada proses perlakuan panas baja S45C = The effect of sodium dodecyl benzene sulphonate addition as surfactant on the thermal conductivity of carbon nanotubes-based nanofluid as quenchant in the heat treatment process of S45C Steel

Efek penambahan surfaktan anionik,kationik dan non ionik pada nanofluida titanium dioksida sebagai media pendingin pada proses perlakuan panas pada baja S45C = Effect of surfactant anionic, cationic and non ionic addition on TiO 2 Nanofluid as quench medium in heat treatment process of S45C medium carbon steel

Pengaruh persentase karbon nanopartikel pada nanofluida berbasis air sebagai media pendingin cepat untuk aplikasi perlakuan panas pada baja S45C = Effect of carbon nanoparticles percentage in water based nanofluid as quench medium for heat treatment of S45C steel