BETA-TITANIUM BIOMEDICAL ALLOY: EFFECT OF THERMAL PROCESSING ON MECHANICAL PROPERTIES

被引：5
作者：
Sudhakar, K. V. [1 ]
Konen, K. [1 ]
Floreen, K. [1 ]
机构：
[1] Univ Montana, Montana Tech, Dept Met & Mat Engn, Butte, MT 59701 USA
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2012年 / 57卷 / 03期
关键词：
thermal processing; beta-titanium biomedical alloy; mechanical properties; microstructure; fractography; ORTHOPEDIC IMPLANTS; ALUMINUM; VANADIUM; NIOBIUM; DESIGN;
D O I：
10.2478/v10172-012-0082-8
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A new beta-titanium alloy (Ti-3Al-5V-6Cr-3Mo-3Zr) was investigated as a function of heat treatment to evaluate its mechanical properties. The cold drawn beta-titanium alloy was subjected to beta-annealing as well as solution treatment and aging treatments. The mechanical properties were evaluated using MTS Landmark-servo hydraulic Universal Testing Machine. The beta-titanium alloy demonstrated an excellent combination of strength and ductility for both beta-annealing and solution treatment and aging conditions. The influence of thermal treatments on microstructure was studied with HiRox digital microscope. The fracture morphology investigated revealed predominantly cup and cone/dimpled fracture surface features demonstrating excellent toughness in addition to high strength and low stiffness that are suitable for biomedical applications.
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收藏
页码：753 / 757
页数：5
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