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234. Problems associated with ultrasonic testing of bulk graphite

โœ Scribed by E.P. Kennedy; S.F. Lewallen

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
128 KB
Volume
22
Category
Article
ISSN
0008-6223

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โœฆ Synopsis

Coals of increasing rank contain a mixture of solid fragments and particles which look liquid. The first ones are a fractions insoluble in boiling anthracene-oil, the others are /I fractions (soluble in anthracene-oil but insoluble in toluene). The content of fi fraction passes by a maximum as softening during pyrolysis. This fraction is responsible for coal behavior in heat-treatment.

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