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Microstructures and mechanical properties of metastable Ti–30Zr–(Cr, Mo) alloys with changeable Young’s modulus for spinal fixation applications

Paper ID Volume ID Publish Year Pages File Format Full-Text
1026 71 2011 7 PDF Available
Title
Microstructures and mechanical properties of metastable Ti–30Zr–(Cr, Mo) alloys with changeable Young’s modulus for spinal fixation applications
Abstract

In order to develop a novel alloy with a changeable Young’s modulus for spinal fixation applications, we investigated the microstructures, Young’s moduli, and tensile properties of metastable Ti–30Zr–(Cr, Mo) alloys subjected to solution treatment (ST) and cold rolling (CR). All the alloys comprise a β phase and small athermal ω phase, and they exhibit low Young’s moduli after ST. During CR, deformation-induced phase transformation occurs in all the alloys. The change in Young’s modulus after CR is highly dependent on the type of deformation-induced phase. The increase in Young’s modulus after CR is attributed to the deformation-induced ω phase on {3 3 2} mechanical twinning. Ti–30Zr–3Cr–3Mo (3Cr3Mo), which exhibits excellent tensile properties and a changeable Young’s modulus, shows a smaller springback than Ti–29Nb–13Ta–4.6Zr, a β-type titanium alloy expected to be useful in spinal fixation applications. Thus, 3Cr3Mo is a potential candidate for spinal fixation applications.

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Keywords
Ti alloy; Young’s modulus; Deformation-induced phase; Microstructure; Mechanical properties
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Microstructures and mechanical properties of metastable Ti–30Zr–(Cr, Mo) alloys with changeable Young’s modulus for spinal fixation applications
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 7, Issue 8, August 2011, Pages 3230–3236
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us