JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 42

awards

Development of coinfused and cocured fully integral
wing interspar box using VERITy Process
This project focuses on the construction
of a fully co-infused and co-cured wing
interspar box for a medium transport
aircraft, which consists in a wing bottom
skin, stringers, spars, interspar ribs, and
spar/rib gussets, using the VERITy (Vacuum Enhanced Resin Infusion Technology) process. The number of integrated
parts is nearly 300.
The principle of VERITy is that the
reinforcement is held in a tool cavity
and infused with resin, and a differential
pressure is maintained using vacuum to
impregnate the fibres. A "pressure application window" was developed wherein
a small amount of external pressure is
applied at a certain temperature for a
certain period of time. This is the key for
achieving the 60% fibre volume fraction
with less than 2% void content. The
process will help to manufacture parts

similar to parts produced by the autoclave/prepreg technique through several
complementing technologies like integral
tooling, appropriate bleeder technology, flow visualisation using smart flow
sensors, automated resin infusion and
hybridization with the autoclave moulding technology.
This innovative technology offers
several significant benefits. From the
design point of view, creating an integral
structure using a co-curing technology
will help reduce the need for fasteners,
eliminate local stress concentrations
due to holes, reduce assembly time and
associated costs, and reduce the chances
of fuel leakage if the structure is used for
fuel storage. This type of integration can
reduce the number of fasteners by 5065% in addition to the other benefits it
offers. Such an integration is not possible

COFA - Rapid welding of thermoplastic brackets to
thermoset composite structures
Many composite structures and assemblies include small brackets, fittings and
attachments that support only minor
loads but are vital to the performance of
the structure as a whole. They are most
often attached after the main composite
structure has been manufactured, as they
can be difficult or expensive to incorporate into the structure during the original
manufacturing process.
A novel method to rapidly weld thermoplastic brackets and fittings onto
pre-manufactured thermoset composite
panels has been developed that eliminates
the need for fastening or traditional adhesive bonding.
This innovative technology, known as
COFA™ (COmposite Fitting Attachment), works via the incorporation of a
special thermoplastic polymer surfacing
layer onto the surface of the thermoset

Thermoset process

with metallic materials where the integration can be extended to realising the skin
with integrally milled stringers. From
the processing point of view, the use of
the infusion process is quite economical
compared to traditional prepregs. The
process is less energy intensive as there
is no need for cold storage of prepregs
and curing can be done at lower temperatures and lower pressures. This process is
better suited for large-scale co-curing and
a higher degree of integration than the
layup of dry preforms.

Thermoplastic process

composite laminates, which then makes
it possible to weld brackets designed
with a compatible thermoplastic polymer
surface. The bracket can be rapidly welded
onto the laminate using a fast interface
heating method, such as ultrasonic welding, which enables the joint to be made
in a few seconds. The joints are strong
enough for the requirements of many
non-structural brackets.
Typical aerospace structures require
thousands of small brackets, fittings and
attachments to be installed for a variety
of non-structural or semi-structural
applications such as the support of wiring,
ducting, insulation, spacers, latches and
the like. The COFA™ technology enables
such brackets to be quickly assembled to a
wide variety of composite structures, with
a significant saving in process time and
cost, and with the ability to remove and

42 jec composites magazine / No100 October 2015

Winner: CSIR - National Aerospace
Laboratories (India)

Winner: Advanced Composite Structures
Australia (Australia)
Partners: Airbus Operations S.A.S.
(France), University of Sydney (Australia),
Bishop GmbH - Aeronautical Engineers
(Germany), Pacific Engineering Systems
International Pty Ltd. (Australia)

re-install brackets as necessary. In parallel
with the specific developments and applications for the aerospace market, ACS-A
is working with a number of companies
to implement the COFA™ technology in
a fast growing automotive market, where
rapid assembly is a key driver.



Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015

Cover
Edito
Point of view: The future of mass production
Contents
Companies & Business
In brief
Agenda of Events
Applications
Music - An innovative resin for the music industry
Sports & leisure - New quartz fibe prepreg material for a watch
Market
Asia - China & India: two demographic giants in very different composites markets
Industrial property - Statistical patent analysis for composite material shaping
SPECIAL JEC ASIA
15th International JEC Conferences
JEC Asia Innovation Awards Awards 2015
Education - Successful advanced composites projects in Singapore
Process - Reduction of cure cycle time through microwave curing
FEATURE
Propeller - Interchangeable motorboat propel-ler blades made of composites
Revival - The world’s fastest sailing yacht
NDTNon-destructive testing of composites benefits boat acing
Fast boat - A new generation of fast, fuel-efficient boat
Bonding - Primerless structural adhe-sives gain DNV-GL approval for marine applications
Core material - Rowing solo across the pacifi in a 24-foot boat
Research & Development
Damage - Prediction in- and out-of-plane damage in fibe-reinforced composites
Recycling - Using steam thermolysis to recycle carbon fibes from composite waste
Technology & Innovations
Thermoplastic - Easy handling, high- performance thermoplastic solutions for composites
Permeability - Why measure permeability?
Polyurethane - Polyurethane prepregs for cost-effective lightweight construction
Pipe - A new standard in multilayer composite pipe productivity
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Cover
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 2
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Edito
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Point of view: The future of mass production
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 5
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Contents
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 7
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - In brief
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 9
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 11
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Music - An innovative resin for the music industry
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 13
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Sports & leisure - New quartz fibe prepreg material for a watch
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 15
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Asia - China & India: two demographic giants in very different composites markets
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 17
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 18
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 19
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Industrial property - Statistical patent analysis for composite material shaping
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 21
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 22
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 23
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 24
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 25
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 26
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 27
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 28
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 29
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 30
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 31
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 32
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 33
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 34
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 35
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 36
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 15th International JEC Conferences
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 38
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 39
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - JEC Asia Innovation Awards Awards 2015
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 41
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 42
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 43
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 44
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 45
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Education - Successful advanced composites projects in Singapore
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 47
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 48
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Process - Reduction of cure cycle time through microwave curing
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 50
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 51
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 52
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Propeller - Interchangeable motorboat propel-ler blades made of composites
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 54
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Revival - The world’s fastest sailing yacht
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 56
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - NDTNon-destructive testing of composites benefits boat acing
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 58
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Fast boat - A new generation of fast, fuel-efficient boat
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 60
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Bonding - Primerless structural adhe-sives gain DNV-GL approval for marine applications
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Core material - Rowing solo across the pacifi in a 24-foot boat
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 63
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Damage - Prediction in- and out-of-plane damage in fibe-reinforced composites
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 65
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 66
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 67
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Recycling - Using steam thermolysis to recycle carbon fibes from composite waste
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 69
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 70
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 71
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Thermoplastic - Easy handling, high- performance thermoplastic solutions for composites
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 73
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 74
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Permeability - Why measure permeability?
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 76
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 77
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Polyurethane - Polyurethane prepregs for cost-effective lightweight construction
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 79
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Pipe - A new standard in multilayer composite pipe productivity
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - Index
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - In the world
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 83
JEC COMPOSITES MAGAZINE - Issue #100 - Special JEC Asia - October 2015 - 84
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