Article | REF: J3052 V1

Fragmentation applied to metallic ores

Authors: Pierre BLAZY, El-Aïd JDID, Jacques YVON

Publication date: June 10, 2007

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1. Material characterization

In keeping with our bibliographic sources and so as not to disrupt the writing of experimental equations, we retain the units used: the inch (′′), or inch (in); the foot, or foot (ft); the short ton, or short ton (sht); and the pound (lb).

However, it should be remembered that :

  • • 1 inch = 1 inch = 2.54 cm

  • • 1 foot = 1 foot = 30.48 cm

  • • 1 sht = 0.907 t

  • • 1 pound = 0.4536 kg

The determination of certain physical properties of the materials to be fragmented enables a judicious choice of fragmentation equipment. These properties are characterized by indices such as Hardgrove's brittleness index, Bond's energy...

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Material characterization