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Prof. Luca Fambri
Department of Industrial Engineering - University of Trento
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Academic Career Length
40Years (1987-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications1 June 2016 in Composites Part A: Applied Science and Manufacturing
Journal Article
1 July 2002 in Biomaterials
Journal Article
Alessandro PegorettiLFLuca Fambri
Luca FambriGZG. Zappini
G. Zappini
MBM. Bianchetti
M. Bianchetti
1 January 1997 in Polymer
Journal Article
LFLuca Fambri
Luca FambriAlessandro PegorettiRFR. Fenner
R. Fenner
SIS.D. Incardona
S.D. Incardona
CMC. Migliaresi
C. Migliaresi
1 July 2002 in Macromolecular Chemistry and Physics
Journal Article
27 August 2019 in Frontiers in Materials
Journal Article
IFIvan Fortelny
Ivan Fortelny
AUAleksandra Ujcic
Aleksandra Ujcic
LFLuca Fambri
Luca Fambri
Miroslav SloufResults of the studies dealing with the toughness of polylactic acid/polycaprolactone (PLA/PCL) blends are analyzed with respect to the PCL particle size, PLA matrix crystallinity, and presence of a compatibilizer. It is shown that a high toughness or even “super-toughness” of PLA/PCL blends without a compatibilizer can be achieved for blends with the proper size of PCL particles. Nevertheless, the window for obtaining the super-tough PLA/PCL blends is quite narrow, as the final impact strength is very sensitive to multiple parameters: namely the blend composition, PLA matrix crystallinity, and PCL particle size. Available literature data suggest that the optimal composition for PLA/PCL blends is around 80/20 (w/w). The PLA/PCL(80/20) blends keep high stiffness of PLA matrix and the concentration of PCL particles is sufficient to achieve high toughness. The PLA/PCL(80/20) blends with low-crystallinity PLA matrix (below ca 10%) exhibit the highest toughness for bigger PCL particles (weight average diameter above 1 μm), while the blends with high-crystallinity PLA matrix (above ca 30%) exhibit the highest toughness for smaller PCL particles (weight average diameter below 0.5 μm). The addition of a compatibilizer may improve the toughness only on condition that it helps to achieve a suitable particle size. The toughness of both non-compatibilized and compatibilized PLA/PCL blends with optimized morphology can be more than 15 times higher in comparison with neat PLA.
Journal Article
Composite acrylonitrile–butadiene–styrene (ABS)/carbon nanotubes (CNT) filaments at 1, 2, 4, 6 and 8 wt %, suitable for fused deposition modelling (FDM) were obtained by using a completely solvent-free process based on direct melt compounding and extrusion. The optimal CNT content in the filaments for FDM was found to be 6 wt %; for this composite, a detailed investigation of the thermal, mechanical and electrical properties was performed. Presence of CNT in ABS filaments and 3D-printed parts resulted in a significant enhancement of the tensile modulus and strength, accompanied by a reduction of the elongation at break. As documented by dynamic mechanical thermal analysis, the stiffening effect of CNTs in ABS is particularly pronounced at high temperatures. Besides, the presence of CNT in 3D-printed parts accounts for better creep and thermal dimensional stabilities of 3D-printed parts, accompanied by a reduction of the coefficient of thermal expansion). 3D-printed nanocomposite samples with 6 wt % of CNT exhibited a good electrical conductivity, even if lower than pristine composite filaments.
About Me
Associate professor at the Department of Industrial Engineering – University of Trento.
Academic career: 1979–1985: chemistry degree, Univ. of Parma; 1988-1999: research scientist (Dept of Materials Engineering, Univ. of Trento); 1993 visiting research associate (Virginia Commonwealth University, USA); 2000 to present: associate professor (Univ. of Trento)
Teaching activities: 1988–2004: lab classes and lectures in Polymers Science and Technology, and in Composite Science and Technology; 1993-2015: Plastics Engineering; 2001-2020: Scienza e Tecnologia dei Materiali Polimerici; 2011-2015: Polymer Science and Technology; 2012-2013: Foamed Polymeric Materials; 2016 to present: Polymeric Materials Engineering; 2021: Scienza e Tecnologia dei Materiali; 2004 to present: Doctorate School in Materials Engineering / Materials, Mechatronics, and Systems Engineering.
Research on polymer processing. additive manufacturing–3D printing, fibers, materials for thermal energy storage, thermal and mechanical characterization, plastics and environment, recycling of polymers, polymer blends, degradable polymers and in vitro degradation, biomaterials, and polymeric composites and nanocomposites.
Publications. Author/co-author of more than 140 papers published on peer-reviewed international scientific journals, 15 book chapters, 1 chapter in encyclopedia, 3 Italian patents, and more than 200 contributions presented at international and national conferences.
ORCID : 0000-0002-8627-8833