The wear resistance of metallic components is fundamental to the efficiency and useful life of mechanical systems subjected to severe conditions, making the evaluation of surface treatments that improve tribological performance essential. In this study, the abrasive wear resistance of AISI 4140 steel was investigated...
Everton Freitas de Oliveira, T. Trzepieciński, Valmir Dias Luiz et al.· Steel Research International· 0 citations
A ZnO/CuO@amoxicillin nanocomposite was synthesized via a sol–gel route and characterized as a biphasic wurtzite ZnO–monoclinic CuO system with crystallite sizes of about 10–12 nm and an optical band gap of 3.30–3.36 eV, indicating defect‐rich interfaces favorable for redox activity. In antidiabetic assays, the nanocom...
Hocine Sadam Nesrat, Abdelatif Aouadi, Ibtissam Laib et al.· Chemistry and Biodiversity· 0 citations
Chatter vibrations in cutting are uncontrolled (self-excited) vibrations in a machine–tool–workpiece system, occurring without the involvement of external forces. They result in accelerated tool wear and reduced surface quality. One way to avoid self-excited vibrations is to optimize cutting parameters based on stabili...
J. Zielińska-Szwajka, K. Szwajka, T. Trzepieciński et al.· Forests· 0 citations
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