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Pyrolytic graphite

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Pyrolytic graphite (substrate nucleated)
Chemical composition: carbon (C)
Property Value in metric unit Value in US unit
Density 2.2*10³ kg/m³ 137 lb/ft³
Flexural strength WL 89.6 MPa 13000 psi
Compressive strength WL 103.4 MPa 15000 psi
Compressive strength AL 172.4 MPa 25000 psi
Shear strength WL 6.9 MPa 1000 psi
Thermal expansion WL 0.9*10-6 ºCˉ¹ 0.5*10-6 in/(in*ºF)
Thermal expansion AL 11.7*10-6 ºCˉ¹ 6.5*10-6 in/(in*ºF)
Thermal conductivity WL 400 W/(m*K) 2772 BTU*in/(hr*ft²*ºF)
Thermal conductivity AL 3.5 W/(m*K) 24.3 BTU*in/(hr*ft²*ºF)
Electric resistivity WL 5*10-6 Ohm*m 5*10-4 Ohm*cm
Electric resistivity AL 5*10-3 Ohm*m 0.5 Ohm*cm
Max. work temperature in air 649 ºC 1200 ºF

WL - with crystal layers
AL - across crystal layers

Applications: carbon fibers reinforced composites, heat spreaders and sinks in electronics, nuclear reactors, missile parts.

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pyrolytic_graphite.txt · Last modified: 2023/12/14 by dmitri_kopeliovich
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