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Indentation and scratch testing of DLC-Zr coatings on ultrafine-grained titaniu...
Wang, Chuan Ting; Escudeiro, Ana; Polcar, Tomas; Cavaleiro, Albano; Wood, Robert J. K.; Gao, Nong; Langdon, Terence G.High-pressure torsion was employed to refine the microstructure of grade 2 Ti under an imposed pressure of 3.0 GPa at room temperature. The microhardness of grade 2 Ti increased from 1.82 GPa for the coarse grain state to 3.05 GPa after high-pressure torsion processing, where this value is very close to the hardness of the Ti–6Al–4V alloy. Subsequently, several diamond-like carbon (DLC) coatings with thicknesse...
Data: 2013
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Origem: Estudo Geral - Universidade de Coimbra
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