JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 26
MANUFACTURING control
Fig. 6: The tidal blade as manufactured
successfully from the first trial
Fig. 4: Sensor locations at top and lower mould with resin arrival times (s) during first trial
up to 140°C while the mould temperature
remained almost constant around 110°C
(Figure 2). The rapid increase in temperature
correlates well to the sharp increase of resistivity (Figure 3). In contrast to the curing
phase where the temperature inside the thick
laminate is higher than the tool temperature,
in the post-curing phase the laminate temper-
ature lagged considerably with respect to the
tool temperature (Figure 2). In the post-curing phase, the temperature of the mould was
gradually increased to the final post-curing
temperature of 185°C.
Besides curing, the resistivity of the resin was
highly affected by the temperature so an algorithm was necessary to transfer these meas-
Fig. 5: Temperature and resistivity from several sensors during injection, cure and
cooling
26
jec composites magazine / N°114 July 2017
urements into useful information such as the
degree of cure and/or Tg. Within Ecomise,
Synthesites further developed its calibration
algorithms so that a reliable prediction of the
Tg and/or degree of cure is provided in real
time. As can be seen in Figure 3, the Tg was
sharply increased during the first stage of the
post-curing, while in the second stage the
rate declined considerably. Further trials performed to optimize the process proved that
the sensors provide significant information
that help to further optimize the process in a
secure way.
Industrial demonstrator
Based on its long experience in marine
and tidal blade design and manufacturing,
Airborne designed a brand new tidal blade
and its scaled prototype was tested within the
Ecomise project. After the successful implementation at the lab scale, the monitoring systems were transferred to the real-case demonstrator: a new tidal blade that was monitored
during manufacturing by introducing 21 different sensors:
- 2 cure sensors: The cure sensors were positioned such a way that one was at the
thickest zone in the root and one near the
venting points, where the resin arrives last.
- 4 resin arrival sensors (permanent): Four
flow sensors were positioned in-between
the cure sensors to follow the flow on both
Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #114 - July 2017
Cover
Edito
Opinion: Composite music
Contents
NEWS
In brief
Raw materials
Agenda
BUSINESS
Thermoset resin - Part B
Glass fibre
Construction
MANUFACTURING
Control
Out-of-autoclave
Recycling
Feature Sports & Leisure - Composites: the key to performance?
Software
CFRP
Simulation
Golf
Biocomposites
Natural fibre
SOLUTIONS
Infrastructure
Roofing and siding
In the world
TECHNOLOGY
Software
A novel physics node for Nakamura crystallization kinetics
Index
Advertisers
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 60
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Cover
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 2
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Edito
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Opinion: Composite music
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 5
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Contents
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 7
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - In brief
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 9
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 10
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Raw materials
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - AD1
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - AD2
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 12
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - AD3
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - AD4
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 13
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Agenda
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Thermoset resin - Part B
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 16
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 17
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 18
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Glass fibre
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 20
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Construction
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 22
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 23
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Control
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 25
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 26
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 27
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Out-of-autoclave
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 29
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Recycling
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 31
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 32
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Software
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 34
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - CFRP
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 36
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Simulation
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Golf
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 39
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Biocomposites
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 41
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Natural fibre
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 43
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 44
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - AD5
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - AD6
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - SOLUTIONS
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 46
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 47
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Infrastructure
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Roofing and siding
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - In the world
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Software
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 52
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 53
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - A novel physics node for Nakamura crystallization kinetics
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 55
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 56
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 57
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - Advertisers
JEC COMPOSITES MAGAZINE - Issue #114 - July 2017 - 59
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