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Prefabricated and Self-Setting Cement Laminates
- Source :
- Materials, Volume 12, Issue 5, Materials, Vol 12, Iss 5, p 834 (2019)
- Publication Year :
- 2019
- Publisher :
- MDPI AG, 2019.
-
Abstract
- Polycaprolactone (PCL) fiber mats with defined pore architecture were shown to provide sufficient support for a premixed calcium phosphate cement (CPC) paste to serve as a flat and flexible composite material for the potential application in 2-dimensional, curved cranial defects. Fiber mats were fabricated by either melt electrospinning writing (MEW) or solution electrospinning (SES) with a patterned collector. While MEW processed fiber mats led to a deterioration of the cement bending strength by approximately 50%, due to a low fiber volume content in conjunction with a weak fiber-matrix interface, fiber mats obtained by solution electrospinning resulted in a mechanical reinforcement of the cement matrix in terms of both bending strength and absorbed fracture energy. This was attributed to a higher fiber volume content and a large contact area between nanosized fibers and cement matrix. Hydrophilization of the PCL scaffolds prior to lamination further improved composite strength and preserved the comparably higher fracture energy of 1.5 to 2.0 mJ/mm2. The laminate composite approach from this study was successful in demonstrating the limitations and design options of such novel composite materials. However, fiber-cement compatibility remains an issue to be addressed, since a high degree of hydrophilicity does not necessarily provoke a stronger interface.
- Subjects :
- Materials science
Composite number
02 engineering and technology
010402 general chemistry
lcsh:Technology
01 natural sciences
Article
Hydrophilization
law.invention
Flexural strength
law
Lamination
General Materials Science
Fiber
Composite material
lcsh:Microscopy
Melt electrospinning
lcsh:QC120-168.85
prefabricated paste
Cement
lcsh:QH201-278.5
lcsh:T
calcium phosphate cement
021001 nanoscience & nanotechnology
Electrospinning
0104 chemical sciences
lcsh:TA1-2040
lcsh:Descriptive and experimental mechanics
lcsh:Electrical engineering. Electronics. Nuclear engineering
lcsh:Engineering (General). Civil engineering (General)
0210 nano-technology
lcsh:TK1-9971
electrospinning, laminate
Subjects
Details
- ISSN :
- 19961944
- Volume :
- 12
- Database :
- OpenAIRE
- Journal :
- Materials
- Accession number :
- edsair.doi.dedup.....8b10536bb0c1108be5a154a9f8094bdf