MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Microstructural Modification in a Beta Titanium Alloy for Implant Applications
Tsing (Qing) ZhouGoroh ItohYoshinobu MotohashiMitsuo Niinomi
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2006 Volume 47 Issue 1 Pages 90-95

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Abstract

A recently developed beta titanium alloy, Ti–29–13, for biomedical applications has been subjected to microstructure examination and tensile test. Band structure is observed both in the as-received and cold-rolled specimens. By EDX in SEM, the band structure is confirmed to originate from the segregation of beta stabilizer. Thermomechanical processings consisting of repeated solution treatment, water quenching and cold-rolling are performed to reduce the segregation. The considerable reduction of the band structure is found in the processed specimen. The elongation at high temperature of the processed specimen is larger than that of the cold-rolled specimen although no difference in the strain rate sensitivity is confirmed between them.

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© 2006 The Japan Institute of Light Metals
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