Abstract
The Ti6Al(3–15)Mo (wt.%) alloys with the interval of 3 wt% Mo were fabricated by powder metallurgy technique. The Ti6Al6Mo alloy exhibits the highest yield strength due to the presence of α+β colonies. The fractured surface of each Ti6AlxMo alloy exhibits a different morphology, with the Ti6Al15Mo alloy showing elongated dimples attributed to the existence of β phase. This alloy exhibits higher yield strength, lower modulus, and higher ductility compared to other reported materials, including CP Ti, Ti6Al4V, Ti6Al7Nb, Ti5Al2.5Fe, and Ti3Al2.5V, commonly used for implants. In vitro MTT assay test has been performed, and the results show that Ti6Al15Mo alloy sample exhibits better cell viability characteristics compared to Ti6Al4V alloy samples. Optical density values for the Ti6Al15Mo alloy sample increase as the incubation period increase. These findings suggest that Ti6Al15Mo alloys have potential to be substituted for hard tissue without causing harm to living cells.
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