JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 27

al., 2008). This gives broad areas
of research ahead!

Bottleneck 10:
robust data for modelling
and simulation
We will not dwell on this point.
The challenges are to simulate
structural behaviour and also to
understand the parameters that
influence the behaviour of an
elementary fibre.
Rupture of a flax/epoxy composite after fatigue testing

are no reference materials, i.e.
model materials with uniformly
distributed individualized fibres
without flaws (e.g. porosity or
misalignment). Other necessary information concerns the
reinforcement geometry, its
initial properties, the quality of the fibre/matrix bond,
the cell contents (whether or
not there is a lumen), and the
matrix properties. The specific
features of plant fibres that must
be taken into account are the
microstructure and composition of the supporting tissues

and whether or not a lumen and
bundles exist.
The recycling potential of
biocomposites has also been
studied (Bourmaud et al.,
2007), (Bourmaud et al., 2009),
(Bourmaud et al., 2011, and
now the recycling needs to be
studied in connection with
ageing. Biocomposites enable
a paradox: available, durable
materials that not only can be
recycled at the end of their
service life, but also are EOL
biocompostable (Le Duigou et

The long-term goal is to link the
properties of cellulose fibrils to
those of a complex structure, so
this means research at multiple
scales. One problem is acquiring
robust data that can be used for
simulation tools. We then hope
to simulate the effect of ageing,
the fire behaviour and, for
certain matrices, the biodegradation mechanisms.

Conclusion
This overview takes a look at a
given moment in time and is by
no means complete. Biocomposites are emerging materials
for which there are still many
issues, such as:

No92 October - November 2014 /

- fibre properties (origin, reproducibility, relevant parameters),
- fibre extraction and presentation, and processing the
composite while preserving cell
wall properties,
- the dispersion of fibres within
a polymer to create a durable,
high-performance composite
material (controlling things like
fibre distribution and orientation, wetout, or the fibre/matrix
bond) with one or more EOL
solutions,
- how to "think biocomposite"
by taking inspiration from
natural ecosystems. This entails
multi-scale and multidisciplinary approaches, as well as
taking the specific plant-fibre
properties into account and
ecodesigning with anisotropy
in mind,
- consistency in the use of plant
fibres as reinforcement (choice
of polymer and process, etc.). n
More information:
christophe.baley@univ-ubs.fr
References on demand

jec composites magazine 27


http://www.cvc.emeraldmaterials.com

JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014

Cover
Edito
Point of view: oil & gas
Contents
COMPANY & BUSINESS In Brief
Recycling
Biocomposites
Spin-off
Agenda of Events
APPLICATIONS
Sustainability
Defense
Automotive
MARKET
Biocomposites
Inside the factory
SPECIAL JEC AMERICAS - FALL EDITION
Gain insight into the JEC 2014 I.C.S. Americas Program
JEC Americas Innovation Awards Program
Maintenance - Certified composite repair system for pipelines
Carbon fabrics - Successful first flight test for the VX-1 KittyHawk C-PlyTM aircraft model
Design - Composite aerostructure development in high-performance enterprises
RESEARCH & DEVELOPMENT
Reinforcement
Process
TECHNOLOGY & INNOVATIONS
NDT
Tooling
Infusion
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Cover
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 2
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Edito
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Point of view: oil & gas
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 5
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Contents
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 7
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - COMPANY & BUSINESS In Brief
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Biocomposites
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Recycling
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Spin-off
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 12
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 13
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Ad1
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Ad2
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 15
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Sustainability
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 17
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 18
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 19
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Defense
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 21
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Automotive
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Biocomposites
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 24
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 25
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 26
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 27
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Inside the factory
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 29
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 30
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - SPECIAL JEC AMERICAS - FALL EDITION
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Gain insight into the JEC 2014 I.C.S. Americas Program
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 33
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 34
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 35
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 36
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - JEC Americas Innovation Awards Program
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 38
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 39
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 40
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 41
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Maintenance - Certified composite repair system for pipelines
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Carbon fabrics - Successful first flight test for the VX-1 KittyHawk C-PlyTM aircraft model
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Design - Composite aerostructure development in high-performance enterprises
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 45
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 46
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Reinforcement
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 48
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 49
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 50
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Process
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 52
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 53
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 54
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - NDT
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 56
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 57
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Tooling
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 59
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 60
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 61
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Infusion
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 63
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 64
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - Index
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - In the world
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 67
JEC COMPOSITES MAGAZINE - Issue #92 - October/November 2014 - 68
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