CONDUCTIVE POLYMER GASKETS OFFER EMI AND ENVIRONMENTAL SHIELDING
Military grade electrically conductive elastomer gaskets can provide both environmental sealing and EMC protection in harsh environments. Parker Chomerics has
introduced a range of EMC gasketsmade fromelectrically conductive elastomer and plasticmaterialswhich provide excellent protection from electromagnetic interference (EMI) and environmental factors, includingmoisture and dust. The range includes the
Two experiments this year will test graphene in different space-related applications for use in satellites. Graphene-based solar sails will be tested in microgravity in a drop-tower experiment, while graphene-modified heat pumps for onboard satellite electronics will be tested in a parabolic flight
TO DATE WITH ITS SOFTWARE Today, the cars are still
handmade in the Morgan factory and themanufacturer has become a global brand, with a long waiting list for its vehicles. In the intervening years,
however, the cars have become more complex. Customers expect certain levels of quality and there are regulatory requirements for different geographicalmarkets.While the cars themselves are hand built, behind the scenes, Morgan Motors has invested significantly inmodern CAD and PLM technology to support the development of their famous model line-up Now, Design Rule, a supplier of Dassault Systèmes Product
CHO-SEAL 6502 and 6503 conductive elastomer gaskets, which are especiallywell suited to harsh environmentswhere high performance (>100 dB) shielding is required. CHO-SEAL 6502 features a nickel-plated aluminiumfiller in a silicone binder. CHO-SEAL 6503 features a fluorosilicone binder. Both variants are available in moulded or extruded forms and offer high levels of corrosion protection against aluminium. There is also the CHO-SEAL
1298which incorporates a silver- plated aluminiumfillerwithin a fluorosilicone binder. Offering high performance in harsh corrosive environments, it
Lifecycle Management (PLM) technology and services has been selected tomanage Morgan Motors PLM upgrade fromSmarTeamto the 3DEXPERIENCE platform. “SmarTeamhas served us
well over the past seven years but in order to take advantage of the broader PLM capabilities we saw that it was time tomove up,” said GrahamChapman, engineering director at Morgan Motors. “We have a young design teamso we need to provide themwith themodern toolset that they need to develop our cars of the future. We also require an environment where we can collaborate with our partners on new and exciting projects.”
delivers shielding in the range 90-110dB andmeetsMIL-DTL- 83528 type D specifications. Conductive elastomer gaskets
are reliable over the life of equipment and arewidely adopted for shielding critical defence and aerospace electronic systems. The same gasket serves both as an EMI shield and an environmental shield. They resist compression set over awide temperature range, accommodate lowclosure force and help control air flow. Parker Chomerics has
invested decades of research and testing, both in the laboratory and in the field, in order to develop these compositematerials. The composition, size and morphology of the conductive particles in the filler powder are carefully controlled and their precise, uniformdispersion within the resinous binders producesmaterialswith stable and consistent electrical and physical properties.
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Electrically conductive elastomer and plastic EMI shielding for military equipment has been extensively field tested by Parker Chomerics
August 2017 /// Environmental Engineering /// 5
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