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Self-joining of zirconia/hydroxyapatite composites using plastic deformation process

Paper ID Volume ID Publish Year Pages File Format Full-Text
2633 119 2006 7 PDF Available
Title
Self-joining of zirconia/hydroxyapatite composites using plastic deformation process
Abstract

A plastic deformation process was demonstrated to self-join 3 mol.% yttria partially stabilized zirconia (3Y-TZP)/hydroxyapatite (HA) composites. The 3Y-TZP/40 vol.% HA composites were fabricated by conventional ceramic processing by cold pressing premixed 3Y-TZP and HA powders into pellets. Densification (≈90%) of composites was achieved by sintering composite powder compacts at 1450 °C for 5 h. Optimum self-joining of 3Y-TZP/40 vol.% HA composites was obtained at 1300 °C for a strain rate of 5 × 10−5/s. The flow stress during joining was 40 MPa. Microstructural and mechanical characterizations of the joint interface demonstrated that there were no discernible differences between the joint and the composite material away from the interface.

Keywords
Hydroxyapatite; Zirconia; Composite; Joining; Deformation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 2, Issue 6, November 2006, Pages 669–675
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
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Full-text PDF Download
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