The quaternary Ti-Nb-Zr-Ta (TNZT) alloy was successfully cast-fabricated with the objective to be used in medical field. Samples’ microstructure compared CP-Ti and Ti-6Al-4V (control samples) related corrosion, ion release biological properties. As-cast TNZT formed large β grain sizes (285 µm) ultrafine α of (11 + 1.45 µm 0.74 µm. Hardness flexural elastic moduli (94 HV 43 GPa) came close struc...

Incremental processing of the human parser is uncontroversially supported by many psycholinguistic experiments. Briefly, incrementality accounts for the intuitive fact that language is processed from left to right. An operational account of the incrementality hypothesis, called strong incrementality, is at the core of several computational models of the human parser [4]. In this version, the pa...

PURPOSE Severe wear of cast commercial pure (CP) titanium teeth was observed in a clinical survey. This study evaluated the wear resistance of cast CP titanium and titanium alloy teeth after the surface was modified using laser technology. METHODS Teeth patterns were duplicated from artificial first molars (Livdent FB30, GC, Japan). All teeth specimens were cast with CP Ti grade 3 (T-Alloy H,...

Ti-based materials are widely used for dental and orthopaedic implant applications due to their adequate mechanical properties, corrosion behaviour biocompatibility. However, these biologically inert display poor wear resistance. In one of the most studied processes that aims overcome drawbacks, Ti surfaces often covered by anodic oxide films with incorporation bioactive agents such as Ca P. Al...

The reactions of bis(cyclopentadienyl)titanium(IV) dichloride with Schiff bases derived by condensing 2- amino-5-phenyl-1,3,4-thiadiazole with benzaldehyde (SPT), 4-nitrobenzaldehyde (SNT), 4-methoxybenzaldehyde (SMT), 2-hydroxybenzaldehyde (SSTH) or 2-hydroxyacetophenone (SATH) have been studied in refluxing tetrahydrofuran and complexes of types [Cp(2)TiCl(SB)]Cl (SB= SPT, SNT or SMT) and [Cp...

The bond dissociation energy of a series of metallocenium ions, i.e., the energy difference of the reaction MCp2(+) → MCp(+) + Cp· (with M = Ti, V, Cr, Mn, Fe, Co, and Ni), was studied by means of multiconfigurational perturbation theory (CASPT2, RASPT2, NEVPT2) and restricted coupled cluster theory (CCSD(T)). From a comparison between the results obtained from these different methods, and a de...