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Št. zadetkov: 6
Effect of silicon and oxygen co-doping on structure and properties of non‑hydrogenated amorphous carbon
Abqaat Naseer, Manuel Evaristo, Mitjan Kalin, Albano  Cavaleiro
Izvirni znanstveni članek
Oznake: amorphous carbon;silicon doping;oxygen doping;a-C:Si:O;hardness;surface wettability;
Introducing silicon and oxygen dopants into amorphous carbon (a-C) is known to improve its structural and functional properties, making it suitable for specialized applications. Yet, given the limited compositional control offered by the complex deposition methods, the relationship between dopant co ...
Leto: 2025 Vir: Fakulteta za strojništvo (UL FS)
Super-low friction and wear in steel contacts enabled by tribo-induced structural degradation of graphene quantum dots
Irfan Nadeem, Bojan Ambrožič, Goran Dražić, Janez Kovač, Albano  Cavaleiro, Mitjan Kalin
Izvirni znanstveni članek
Oznake: materiali;grafen;kvantne pike;tribologija;trenje;obraba;materials;graphene;quantum dots;tribology;friction;wear;
Reducing friction is a promising strategy to decrease material losses and energy consumption in industrial systems. However, in aqueous-lubricated steel contacts, the contact pressure rarely exceeds 50 MPa during super-low friction due to excessive wear. This work demonstrates that even in steel/ste ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Superior macro-scale tribological performance of steel contacts based on graphene quantum dots in aqueous glycerol
Irfan Nadeem, Matjaž Malok, Janez Kovač, Talha Bin Yaqub, Albano  Cavaleiro, Mitjan Kalin
Izvirni znanstveni članek
Oznake: grafen;grafenske kvantne pike;grafit;vodni glierol;super nizko trenje;zelena tribologija;graphene;graphene quantum dots;graphite;aqueous glycerol;super-low friction;green tribology;
Reducing friction is one of the best ways to lower energy consumption and make processes more environmentally friendly. Because of the growing interest in green lubricants, we investigated the synergetic effects of graphene quantum dots (GQDs) combined with aqueous glycerol to improve the lubricatio ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Macroscale superlubricity with a high load-carrying capacity enabled by nitrogen-doped graphene quantum dots in lubricated silicon-doped amorphous carbon films
Irfan Nadeem, Matjaž Finšgar, Goran Dražić, Bojan Ambrožič, Matjaž Malok, Albano  Cavaleiro, Mitjan Kalin
Izvirni znanstveni članek
Oznake: macroscale superlubricity;metallic materials;streel;
Achieving macroscale superlubricity with engineering materials is highly desirable for energy conservation, environmental benefits, and longevity of mechanical components. However, attaining superlubricity in aqueous-lubricated systems with enhanced load-bearing capacity remains challenging in metal ...
Leto: 2025 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UM FKKT)
Nitrogen alloyed MoSe▫$_2$▫ coatings
Talha Bin Yaqub, Irfan Nadeem, Filipe Daniel Fernandes, Khurram Yaqoob, Mitjan Kalin, Albano  Cavaleiro
Izvirni znanstveni članek
Oznake: friction and wear MoSeN coatings;TMDs;PVD sputtering;diverse environment sliding;
Transition metal dichalcogenide (TMD) coatings are gaining increasing interest among the scientific community as eco-friendly solutions for reducing friction, improving energy conservation, and lowering carbon footprints. N-alloyed MoSe▫$_2$▫ coatings (MoSeN), a subset of TMDs, remain largely undere ...
Leto: 2025 Vir: Fakulteta za strojništvo (UL FS)
Investigating the effects of long-term ambient air storage on the sliding properties of n-alloyed MoSe▫$_2$▫ coatings
Talha Bin Yaqub, Irfan Nadeem, Muhammad Aneeq Haq, Muhammad Yasir, Albano  Cavaleiro, Mitjan Kalin
Izvirni znanstveni članek
Oznake: MoSeN coatings;storage life cycle;solid lubricant;friction and wear;aerospace industry;
Transition metal dichalcogenide coatings have emerged as potential candidates for terrestrial and aerospace mobility applications. Among these, the alloyed MoSe▫$_2$▫ coatings have displayed promising results while sliding in diverse environments. N-alloyed MoSe▫$_2$▫ coatings provide the additional ...
Leto: 2025 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 6
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