The Effects of Short-Time Solution Treatment and Short-Time Aging on Mechanical Properties of Ti-6Al-4V for Orthopaedic Applications

Abdul Ajiz, Gunawarman Gunawarman, Jon Affi


The Ti-6Al-4Valloy is currently utilized as structural materials in artiï¬cial hip and knee joints, bone plates and screws, and artiï¬cial dental roots. It is mainly used in implants that replace hard tissue because has a high strength, good corrosion resistance, high biocompatibility compared to other conventional metallic biomaterials such as stainless steel and Co-Cr-Moalloys.The Ti-6Al-4V alloy with low Young’s modulus equivalent  to that of the cortical  bone is a simultaneously required in order to inhibit  bone absorption.Byshort-time solution treatment and subsquent short-time aging, the mechanical properties of  Ti–6Al–4V alloy can be improvedwhile maintaining a low Young’s modulus. The result showed optimum heat treatments were solution treatment at930 oC (1203 K) for 60 sand subsquent aging at 530 oC (803 K) for 40 s; the yield strength and tensile strength improved without reduction in ductility. Their maximum improvement rates of reached 21,6% and 21,1%, respectively and the Young’s modulus reduced  with maximum rates of reached 12%.


Ti-6Al-4V, short-time solution treatment, short-time aging, mechanical properties

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Published by INSIGHT - Indonesian Society for Knowledge and Human Development