Processing Effect on the Compressive Strength and Bioactivity of Ti-Based Composites Produced with TiH2 and Calcium Phosphate

Enori Gemelli; Fabio Nery; Nelson Heriberto Almeida Camargo; Vinicius André Rodrigues Henriques; Daiara Floriano da Silva

doi:10.4028/www.scientific.net/AMR.906.45

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 906Processing Effect on the Compressive Strength and...

Processing Effect on the Compressive Strength and Bioactivity of Ti-Based Composites Produced with TiH₂ and Calcium Phosphate

Abstract:

Titanium-based composites with bioactive phases were produced with TiH₂ and 10% in volume of calcium phosphate. The mixtures were prepared either by conventional powder metallurgy processing or by ultrasound, dried in a rotary evaporator, pressed at 600 MPa and vacuum-sintered at 1200 °C for 2 hours. Crystal phases of the as-fabricated composites are found to be α-Ti, CaTiO₃ and Ti_xP_y phase (s). The Ti_xP_y and CaTiO₃ phases resulted from the reaction between titanium and tricalcium phosphate at about 1130 °C. Calcium phosphate was better dispersed by ultrasound leading to a higher compressive strength of the composite and a more uniform Ca-P deposition in simulated body fluid solution.

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Periodical:

Advanced Materials Research (Volume 906)

Pages:

45-50

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.906.45

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Online since:

April 2014

Authors:

Enori Gemelli*, Fabio Nery, Nelson Heriberto Almeida Camargo, Vinicius André Rodrigues Henriques, Daiara Floriano da Silva

Keywords:

Calcium Phosphate, Composite, Titanium, Titanium Hydride

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