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The thermal conductivity of several plastics determined by an improved line‐source apparatus
Author(s) -
Underwood W. M.,
Taylor J. R.
Publication year - 1978
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760180703
Subject(s) - thermal conductivity , materials science , line (geometry) , thermal conductivity measurement , line source , conductivity , thermal , data reduction , sensitivity (control systems) , composite material , analytical chemistry (journal) , thermodynamics , chromatography , optics , electronic engineering , mathematics , statistics , chemistry , physics , engineering , geometry
The line‐source method, previously used for measuring thermal conductivity of plastics, was increased in sensitivity so that automatic recording of data and data reduction by computer could be used, The correspondence between the underlying mathematics and the experiment is examined. The apparatus is described. The effect of experimental variables such as heating rate is determined‐ Measured values of thermal conductivity are reported for several commercial plastics, from room temperature, or lower, to processing temperatures. The precision of the results is excellent.