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  4. Mechanical properties of replicated cellular Zn and Zn1.5Mg in uniaxial compression
 
research article

Mechanical properties of replicated cellular Zn and Zn1.5Mg in uniaxial compression

Lietaert, Karel
•
van Deursen, Joop
•
Lapauw, Thomas
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November 1, 2019
Materials Characterization

We present here a study of the mechanical behavior of cellular Zn and Zn1.5Mg with densities between 11.9 and 24.5%, produced by replication processing using NaCl as a spaceholder. Cellular Zn and Zn1.5Mg deform homogeneously during quasi-static compression. The plateau stress scales with the relative density according to a power-law of exponent of 2.8 for both materials; recorded values are 6.0 +/- 0.6 MPa for cellular Zn of relative density 24% and 10.0 +/- 0.5 MPa for cellular Zn1.5Mg of relative density 23%. In ambient-temperature creep tests with loads up to 50% of the plateau stress, after more than 70 h deformation remains negligible (in the range of experimental error). This observation, coupled with other measured mechanical properties, indicates that replicated cellular Zn and Zn1.5Mg are viable materials in the context of their application as a low load-bearing implant material.

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Type
research article
DOI
10.1016/j.matchar.2019.109895
Web of Science ID

WOS:000496898300029

Author(s)
Lietaert, Karel
van Deursen, Joop
Lapauw, Thomas
Weber, Ludger  
Mortensen, Andreas  
Vleugels, Jozef
Date Issued

2019-11-01

Publisher

ELSEVIER SCIENCE INC

Published in
Materials Characterization
Volume

157

Article Number

109895

Subjects

Materials Science, Multidisciplinary

•

Metallurgy & Metallurgical Engineering

•

Materials Science, Characterization & Testing

•

Materials Science

•

Metallurgy & Metallurgical Engineering

•

cellular

•

replication

•

zinc

•

implant

•

compression

•

creep

•

nacl templates relationship

•

biodegradable metals

•

magnesium alloys

•

scaffolds

•

deformation

•

creep

•

microstructure

•

solidification

•

implantation

•

degradation

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LMM  
Available on Infoscience
November 29, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/163463
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