Microstructure and properties of Ti-15Mo-xNb alloys for biomedical applications
In order to study the effect of element Nb on the microstructure and properties of the biomedical Ti-15Mo base alloys,Ti-15Mo-xNb(x=5,10,15 and 20wt%) alloys have been investigated.Experimental results indicated that crystal structure and morphology of the Ti-15Mo-xNb alloys were sensitive to their niobium contents.Ti-15Mo-xNb alloys matched those for β phase peaks no any phases were found.The Vickers hardness values of all the Ti-15Mo-xNb alloys are higher than 200HV.The compression yield strength of the Ti-15Mo-5Nb alloy is the lowest and that of the Ti-15Mo-15Nb alloy is the highest.The dry wear resistance of Ti-15Mo-xNb alloys against Gr15 ball was investigated on CJSll1A ball-disk wear instrument.For all the Ti-15Mo-xNb alloys,the friction coefficient was not constant but took a higher value.In dry condition,SEM study revealed deep parallel scars on the wear surfaces of all the Ti-15Mo-xNb alloys under different load.The friction coefficient of the Ti-15Mo-5Nb alloy under 1N load is the lowest.The wear principal mechanism for Ti-15Mo-xNb alloys is adhesive wear.
Ti-15Mo-xNb alloys microstructure mechanical properties dry wear resistance
Xu Lijuan Xiao Shulong Tian Jing Chen Yuyong
School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China; N
国际会议
上海
英文
178-178
2012-10-19（万方平台首次上网日期，不代表论文的发表时间）