Manufacturing Industry

Magnesium-coated graphite particles replace Be in space.(Metals)

Advanced Materials & Processes, December, 2003

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Magnesium-coated graphite powders that can replace beryllium in mirror backings and electronic enclosures for space vehicles has reportedly been developed by Powdermet Inc., Euclid, Ohio, with funding from the Missile Defense Agency. The encapsulated graphite particles, which are half graphite and half magnesium, are said to offer the same low density, high stiffness, and good thermal conductivity as beryllium.

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Consolidated products have density of 1.8 g/c[m.sup.3] (0.065 lb/i[n..sup.3]), with tensile strength of 240 MPa (35 ksi) and thermal conductivity of 120 W/m-K. The powders ...

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Manufacturing Industry

Magnesium-coated graphite particles replace Be in space.(Metals)

Advanced Materials & Processes, December, 2003

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