Measurement of impact forces in ball mills: a reanalysis

The data of Dunn and Martin (1978) is reanalyzed using a rigorous application of Hertzian theory to the impact process. The Young's modulus of steel required to fit their data to the theory is a factor of about 10 exp 3 , too low compared to the values quoted for steels. Thus, doubt is thrown o...

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Veröffentlicht in:	Minerals & Metallurgical Processing 2001-11, Vol.18 (4), p.228-230
1. Verfasser:	Austin, L G
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Experiments Minerals Mining engineering Steel
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The data of Dunn and Martin (1978) is reanalyzed using a rigorous application of Hertzian theory to the impact process. The Young's modulus of steel required to fit their data to the theory is a factor of about 10 exp 3 , too low compared to the values quoted for steels. Thus, doubt is thrown on the validity of their experimental technique, and it is possible that their values for maximum impact force and stress are far too low.
ISSN:	2524-3462 0747-9182 2524-3470
DOI:	10.1007/BF03403255