JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 97

properties. This is evident in the material's
compression strength as shown in figure 4.
Obviously, a fabric-based material has fibre
undulations by nature of the fabric, leading
to lower compression strength values.
Compression strength would be useful in
beam-like structures that need to take high
loads, such as in crash cases.

Fig. 2: SABIC solution offerings

Fig. 3: Comparison of UD tape properties versus
fabric

Other components may see loadings in
multiple directions. Studies on a number of
beam-like hang-on components has shown
that a typical weight-optimized laminate
would have a combination of 0° and ±45°
directional layers. In such a case, UD
material offers higher weight savings than
traditional fabric-based materials, as the 90°
orientations in a traditional 0/90° fabric
simply add weight without any structural
contribution. As an example, figure 5
shows calculated laminate properties based
on measured ply data.
For equal stiffness performance, the UDtape based solution would be 26 percent
lighter. Of course, in between solutions
are possible, such as the use of non-crimp
fabrics to mimic the UD tape solution.
However, these types of materials need
stitching/weaving and are more difficult to
impregnate, which adds some cost without
the benefit of improved performance from
use of the pure UD material.

case, a pure UD laminate will deliver maximum performance, much more than would
be achievable with fabric-based materials.
For example, see figure 3, which shows
initial measurement results, comparing
mechanical properties between the UD
tape and an 80/20 ratio UD fabric-based
material.
At the same time, the UD tape-based material has a very good fibre dispersion and
impregnation, leading to high mechanical

Fig. 6: Reference metal cross car beam

Fig. 7: Composite cross car beam

Component examples

Fig. 4: Compression strength: UD tape versus
fabric

Fig. 5: UD versus fabric comparison for an
average laminate

Design optimization studies on various
components can help assess the competitiveness of various materials.
For a particular component, within
the same design space, using the same
fixations, and with the same stiffness/
strength/impact requirements, the design
was optimized separately using steel, aluminium, magnesium (if applicable) and glass
and carbon fibre composites.
As an example, consider the cross car
beam, shown in figure 6, carrying the
dashboard, steering wheel and a number of
components. For the existing C-class car
model, this application was an aluminiumwelded assembly. Most cars in the same
class would be made out of steel.

The part was redesigned for a composite
overmoulding process, as a one-shot
moulded component, as shown in figure
7. Although it may look a bit different, the
same equipment can still be mounted.
The blue parts indicate the use of multidirectional composite laminates, while the
yellow parts represent the overmoulding
material, in this case a 30 percent-byweight long glass PP material. The main
design driver for this part is the Eigenfrequency driven by the vibrations of the
steering wheel column. The composite
part was optimized for equal performance
at 65°C. Although this temperature hardly
influences the continuous fibre composite
material, it does has some effect on the
overmoulding material.

No103 March 2016 / jec

composites magazine 97



Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #103 - March 2016

Cover
Edito
Point of view : Lamborghini
Contents
COMPANY & BUSINESS
In brief
Acquisition
Agenda of Events
APPLICATIONS
Sports & leisure
Sustainable construction
MARKET
Global
Europe
SPECIAL JEC WORLD 2016
Conferences
End-users
Automotive
Awards
Basalt
Engineering
Performing
Strategy
RESEARCH & DEVELOPMENT
Joining
Testing
Impact resistance
TECHNOLOGY & INNOVATIONS
Wind
Software
Epoxy
Repair
Thermoplastic
Sandwich
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Cover
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 2
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Edito
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Point of view : Lamborghini
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 5
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Contents
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 7
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 8
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 9
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Ad1
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Ad2
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Ad3
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Ad4
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - In brief
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 11
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 12
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Acquisition
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 15
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 16
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Sports & leisure
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 18
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Sustainable construction
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 20
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Global
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 22
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 23
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Europe
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 25
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 26
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - SPECIAL JEC WORLD 2016
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 28
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Conferences
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 30
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 31
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 32
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 33
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 34
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 35
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 36
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 37
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - End-users
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 39
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Automotive
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 41
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 42
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Awards
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 44
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 45
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 46
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 47
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 48
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 49
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 50
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 51
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 52
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 53
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 54
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 55
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 56
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Basalt
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 58
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Engineering
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Performing
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 61
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 62
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 63
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Strategy
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 65
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 66
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 67
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 68
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 69
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - RESEARCH & DEVELOPMENT
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Joining
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 72
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 73
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 74
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 75
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Testing
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 77
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 78
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 79
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 80
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Impact resistance
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 82
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 83
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 84
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 85
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Wind
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 87
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Software
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 89
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 90
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Epoxy
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 92
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 93
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Repair
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 95
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Thermoplastic
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 97
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 98
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 99
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 100
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - Sandwich
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 102
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 103
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 104
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 105
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - In the world
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 107
JEC COMPOSITES MAGAZINE - Issue #103 - March 2016 - 108
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