Journal
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
Volume 25, Issue 11, Pages 3834-3839Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S1003-6326(15)64029-8
Keywords
porous material; titanium foam; space holder technique; sintering; volume change; porosity
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Funding
- National Natural Science Foundation of China [51174243]
- Fundamental Research Funds for the Central Universities, China [106112015CDJZR135502]
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The porosity of titanium foams obtained from the space holder technique was theoretically analyzed in the cases of volume shrinking, retaining and expanding during sintering. The relationship between porosity and spacer content was compared under different conditions. The kind of volume change of macropores during sintering was discussed. The results indicate that the relationship between porosity and spacer content depends on the decreased volume of macropores and the volume of micropores in cell-walls in the first case, while the porosity will be greater than the spacer content for the other two cases. It proves that the volume change of macropores during sintering decreases based on theory and practice.
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