Berechnung verschiedener physikalischer Konstanten von heterogenen Substanzen. I. Dielektrizitätskonstanten und Leitfähigkeiten der Mischkörper aus isotropen Substanzen
1935/01/01 by D. A. G. Bruggeman · 8,496 citations
Chemistry · Materials Science · #Chemical Thermodynamics and Molecular Structure #Inorganic and Organometallic Chemistry #Physics #Thermal and Kinetic Analysis
paper · doi:10.1002/andp.19354160705
published in Annalen der Physik 416(7), 636-664 (Wiley)
openalex publication_date 1935/01/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Abstract
Abstract Es werden verschiedene physikalische Konstanten heterogener Körper aus den Konstanten ihrer homogenen Bestandteile nach einer einheitlichen Methode berechnet. In dieser ersten Arbeit wird die Berechnung der Dielektrizitätskonstanten und der Leitfähigkeiten für Elektrizität und Wärme der Mischkörper aus isotropen Bestandteilen behandelt. Die Genauigkeit der älteren Formeln wird untersucht und die bis jetzt unbekannten Konstanten dieser Formeln werden berechnet. Sodann wird die Theorie geprüft an Messungen der Leitfähigkeit bei heterogenen Metallegierungen und an den DK. von gepreßten Pulvern und Emulsionen; die verschiedenen Formeln werden bestätigt. Bei dieser Anwendung werden einige Widersprüche zwischen früheren Untersuchungen aufgehoben und es wird versucht, einige ungenau bekannte DK. genauer zu bestimmen.
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