7 articles in this issue
Vadym Kovalenko,Valerii Kotok,Alexey Sykchin,Ihor Kovalenko,Oksana Berzenina,Viktoriia Stoliarenko,Iryna Plaksiienko,Pavlo Pysarenko,Marina Samojlik
Binary Ni-Co compounds, namely oxyhydroxides and cobaltates of nickel, are promising active compounds for supercapacitors. The characteristics of binary Ni-Co oxyhydroxides synthesized using the method of high-temperature two-stage synthesis with hot and ... see more
Viacheslav Borysov,Ihor Hevko,Oleksii Torubara,Svitlana Borysova,Dmitry Milko,Dmytro Zhuravel,Bohdan Tsymbal,Viacheslav Bratishko,Kyrylo Samoichuk,Yulia Postol
The physical and chemical properties of products from the carbon-thermal reduction of oxide chromo-containing ore raw materials have been investigated. This is necessary to determine the parameters that reduce the loss of Cr in the processing of ore mater... see more
Cahya Sutowo,Sugeng Supriadi,Andika Widya Pramono,Bambang Suharno
Titanium alloys are widely used for biomaterial applications since they have special characteristics, especially better biocompatibility, superior corrosion behavior and lower modulus of elasticity compared to other conventional biomaterials. The developm... see more
Shihab Thaer Abdulwahhab Shihab,Pavlo Prysyazhnyuk,Roman Andrusyshyn,Lyubomyr Lutsak,Olexandr Ivanov,Igor Tsap
The formation of the phase composition, structure, and properties of electric-arc coatings by electrode materials based on high-manganese austenite steel, which is strengthened by twinning steel alloyed by titanium and niobium carbides, was studied. Hardf... see more
Yurianto Yurianto,Agus Suprihanto,Sumar Hadi Suryo,Yusuf Umardani,Padang Yanuar
Quenched and Tempered Steel is classified as high strength and hardness steel mostly used for armor steel. Hardness and wear stability is essential for steel armor quality standards. On the other hand, austenitization and tempering temperature affect the ... see more
Agus Budi Prasetyo,Rahadian Darmawansyah,Wahyu Mayangsari,Eni Febriana,Sulaksana Permana,Ahmad Maksum,Soesaptri Oediyani,Florentinus Firdiyono,Johny Wahyuadi Soedarsono
A research based on magnesium extraction of ferronickel slag waste processed by reverse leaching using sodium hydroxide (NaOH) solutions has been carried out. The ferronickel slag has the main compositions of magnesium silicate and iron silicate. The earl... see more