1995/08/01 by Equo Kobayashi, Shigeru Matsumoto, Hisashi Doi +2 · 20 citations
Materials Science · Medicine · #Titanium Alloys Microstructure and Properties #Nuclear Materials and Properties #Orthopaedic implants and arthroplasty
paper · doi:10.1002/jbm.820290805
Mechanical properties of titanium-zirconium binary alloys were investigated in order to reveal their possible use for new biomedical materials and to collect useful data for alloy design through a hardness test, a tensile test, and optical microscopy. The hardness of the alloy containing 50% zirconium was approximately 2.5 times as large as the hardness of pure titanium and pure zirconium. Tensile tests showed a similar tendency. No changes between hardness of as cast specimens and as homogenized specimens were observed, nor were changes in microstructures noted. Comparisons between the Ti-6Al-4V alloy and the Ti-Zr-6Al-4V alloy indicated that a titanium-zirconium alloy could provide a base material for a new biomedical alloy. From these results, it was concluded that new alloys for biomedical materials should be designed as titanium-zirconium base alloys.