FOR AUTO RTM

PLANT TOUR
Read this article online | short.compositesworld.com/MCTTour
Read more about HP-RTM in “HP-RTM on the rise” online |
short.compositesworld.com/RTMup
Read more about the P1 monocoque online and see a video of its
production in the CW Blog, “More from JEC: High-quality carbon
fiber monocoques in two hours” |
short.compositesworld.com/CFn2hr
Read more about MMD equipment online in “Meter/mix/dispense
machines: Doubling down on control” |
short.compositesworld.com/MMD
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On the subject of other materials, Siegmann says metals are
advancing rapidly. MCT and parent, Mubea, are touting hybrid
materials construction as a strategic capability. “This is a large area
of our development,” he explains. “We see a huge future for it.”
Mubea has developed tailor rolled blank steel technology enabling
the company to customize the thickness of steel without any
welding. “We are now introducing local carbon fiber patch reinforcements
to add another dimension to this technology,” explains
Siegmann, “so we can add more stiffness in the z-direction or add
asymmetry/anisotropy to a metal structure. For example, now you
can apply a carbon patch only on one
side or to reinforce all of the edges.”
Siegmann says MCT has made a
hybrid B pillar and introduced it to
customers (see Fig. 6, p. 58). “We can
tailor the crash performance in pillars,
for example, making them more ductile
in the bottom and more rigid in the top
by adding carbon fiber.” The Carbon
Tailor Rolled Blank Pillar has reportedly
passed the toughest standardized crash
test MCT could find: a Ford F-150 pickup
truck side-impacting a sedan. “We met
the same crash performance as a traditional
steel pillar but with 20% less mass,”
says Siegmann. The new pillar weighs
6.2 kg. When asked how MCT was able
to develop a bond between the CF patch
and steel substrate that could withstand
the crash loading without disbonding,
Siegmann says there are new bonding
techniques and materials that solve this
problem which he believes will be a
breakthrough for the auto industry.
The name Carbo Tech has long been
associated with carbon fiber prepreg,
motorsports and the highest technical
performance. But as Siegmann notes,
“We are not married to a certain material
supplier or concept.” With Mubea’s full
support, Mubea Carbo Tech is well past
“the verge” of volume CFRP auto structures
production, and is preparing its
next slate of solutions for any company
seeking lightweight integrated structures
that surpass the highest expectations.
CW senior editor Ginger Gardiner
has an engineering/materials
background and more than
20 years of experience in the
composites industry.
ginger@compositesworld.com
60 SEPTEMBER 2015
CompositesWorld