Spherical bodies of carbon or graphite

Details Spherical bodies of carbon or graphite Spherical bodies of carbon or graphite

1982-09-10

1984-12-18

Ives, Patricia C.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

428402, 264 15, 23314, B32B 900, B29C 2300

Patent

active

044891326

ABSTRACT:
A spherical body of baked or graphitized carbon having a thermal conductivity at 25.degree. C. of 0.03 cal/cm.sec..degree. C. or more and an anisotropy of thermal expansion coefficient of 40% or less has an excellent service life under severe thermal conditions without causing pitting or cracking and can be used as industrial machine parts such as ball bearings.

REFERENCES:
patent: 3547676 (1970-12-01), Bokros et al.
patent: 3830730 (1974-08-01), Amagi et al.
patent: 4082694 (1978-04-01), Wennerberg et al.

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