@Article{VellosoNoTaCiOlBaVo:2018:TeEf,
               author = "Velloso, Ver{\^o}nica and Nozaki, Leonardo and Tapia, Diego and 
                         Cioffi, Maria Odila and Oliveira, Rog{\'e}rio de Moraes and 
                         Barboza, Miguel and Voorwald, Herman",
          affiliation = "{Universidade Estadual Paulista (UNESP)} and {Universidade 
                         Estadual Paulista (UNESP)} and {Universidad Nacional de 
                         Ingenier{\'{\i}}a (UNI)} and {Universidade Estadual Paulista 
                         (UNESP)} and {Instituto Nacional de Pesquisas Espaciais (INPE)} 
                         and {Universidade de S{\~a}o Paulo (USP)} and {Universidade 
                         Estadual Paulista (UNESP)}",
                title = "Fatigue behavior of Ti-6Al-4V alloy modified by plasma immersion 
                         ion implantation: temperature effect",
              journal = "Matec Web of Conferences",
                 year = "2018",
               volume = "165",
                pages = "e14001",
             abstract = "This research studied Ti-6Al-4V alloy behavior with two (2) 
                         different microstructure subjected to nitrogen addition by PIII 
                         treatment, with and without sample heating, under cyclic load. 
                         PIII conditions, at 390 °C, were DC voltage of 9.5 kV, frequency 
                         of 1.5 kHz and pulse of 40 µs. PIII conditions, with sample 
                         heating at 800 °C, were 7 kV, 0.4 kHz and 30 µs. Axial fatigue 
                         tests were performed on untreated and treated samples for 
                         resistance to fatigue comparison. The untreated Ti-6Al-4V had an 
                         annealed microstructure, PIII treatment at 390 °C resulted in a 
                         microstructure that has no nitride layer or diffusion zone. In the 
                         PIII treatment at 800 °C, the microstructure presented nitride 
                         layer and diffusion zone. Resistance to fatigue decreased with 
                         PIII treatments in both temperatures. At 390 °C, the treatment 
                         created deformation regions and cracks on surface due to nitrogen 
                         implantation that formed solid solution with titanium and imposed 
                         lattice strains on the crystal lattice. At 800 °C, bulk ductility 
                         decrease, increasing of \αTi proportion in microstructure 
                         due to \α case formation and the presence of a ceramic layer 
                         dropped fatigue resistance of Ti-6A-4V alloy.",
                  doi = "10.1051/matecconf/201816514001",
                  url = "http://dx.doi.org/10.1051/matecconf/201816514001",
                 issn = "2261-236X",
                label = "lattes: 7698697775899601 5 VellosoNoTaCiOlBaVo:2018:TeEf",
             language = "en",
           targetfile = "velloso_fatigue.pdf",
        urlaccessdate = "27 abr. 2024"
}