Pengaruh Temperatur, Konsentrasi Nitrogen dan Waktu pada Proses Powder Nitriding terhadap Struktur Mikro dan Sifat Mekanik Baja AISI H13 = The Effect of Temperature, Nitrogen Concentration and Time on Powder Nitriding Process on The Microstructure and Mechanical Properties of AISI H13 Steel

Experimental Investigations On The Influence Of Temperature And Reaction Time On The Oxidation Behavior Of Iron = Investigasi Eksperimental Tentang Pengaruh Suhu Dan Waktu Reaksi Pada Perilaku Oksidasi Besi

Pengaruh Konsentrasi, Temperatur, dan Waktu Pada Proses Pelindian HCl Terhadap Ekstraksi Besi dan Magnesium Dari Terak Feronikel = The Effect of Leaching Agent Concentration, Leaching Time, and Leaching Temperature in HCl Leaching Process to Extraction of Iron and Magnesium from Ferronickel Slag

Pengaruh waktu dan arus proses plasma electrolytic oxidation pada karakteristik lapisan oksida yang ditumbuhkan di atas substrat AZ91 = Effect of time and current of plasma electrolytic oxidation process on the characteristics of the oxide layer grown on the AZ91 substrate.

Pengaruh Konsentrasi dan Waktu Pencelupan Larutan HCl Pada Proses Degalvanisasi Scrap Baja Galvanis = Effect of Concentration and Dipping Time of Hydrochloric Acid (HCl) on the Degalvanization Process of Galvanized Steel Scrap