Aerospace & Defense Technology - April 2021 - 19

EMI Shielding

and manufacturing flexibility, HX5 allows component manufacturers to make
complex shapes with a specific strength
(ratio of tensile strength divided by density) twice that of aluminum on a weight
to weight basis.
This customization and superior
manufacturability, combined with its
high tolerance and dimensional stability, make it an ideal alternative to the
cost and production challenges associated with aluminum. HX5 parts start in
pelletized form, which can be injection
molded, extruded, or thermal formed,
the most common manufacturing
processes for thermoplastic, but can also
be machined like aluminum for secondary operations.
HX5 differs from other thermoplastics because it is also a nanocomposite
featuring additives like carbon and
nano fiber, giving it a high level of
strength. Carbon fibers are usually
about seven microns in diameter while

nano fibers are about 1/100th of that
size. The additives used in HX5 are
specifically designed for our materials, so it is very dimensionally stable and repeatable. With Bbasis engineering design
databases, processing
databases, and full-scale
component testing, it
is used to design and
manufacture high performance, lightweight,
custom-engineered
components that can be
coated, primed, painted, adhesively bonded, and metalized.
As the airwaves become ever more
crowded, the pressure to shield devices
from the damage caused by other
sources of EMI as well as preventing it
from causing said damage means that
novel materials like HX5 will be utilized
more. Their ability to offer effective EMI
shielding will only complement their

HX5 can
be molded
into complex
shapes with very thin
sections and still have
exceptional dimensional
stability, demonstrated
by this missile bulkhead. HX5
also machines like aluminum without
chipping, cracking, galling or gumming,
and drills and threads like metal.

previously known benefits, like equal
strength and superior designability at
lighter weights, helping to shield devices from unseen natural and manmade threats.
This article was written by Roger Rayley,
President, Alpine Advanced Materials (Dallas, TX). For more information, visit
http://info.hotims.com/79412-503.

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a i r b o r n . c o m
Aerospace & Defense Technology, April 2021

Free Info at http://info.hotims.com/79412-776

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Aerospace & Defense Technology - April 2021

Table of Contents for the Digital Edition of Aerospace & Defense Technology - April 2021

Aerospace & Defense Technology - April 2021 - Intro
Aerospace & Defense Technology - April 2021 - Sponsor
Aerospace & Defense Technology - April 2021 - Cov1
Aerospace & Defense Technology - April 2021 - Cov2
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Aerospace & Defense Technology - April 2021 - Cov3
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