Comminution processes - exploring abrasive ore breakage, wear and friction

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The long term goal of this research activity is to contribute to the better understanding of the fundamentals driving comminution processes and apply this understanding to better design, optimise and control such processes as well as extend this understanding to related material breakage processes. In addition to size reduction of mineral bearing ore, it should be noted that comminution processes are central in the processing of a number of other materials such as pigment grinding in the paint industry, metal powder production in the automotive industry, metal hydride fabrication through mechanical alloying in grinding mills in the hydrogen hydride production sector as well as in "in-situ resource utilization" in space exploration activities. One ore breakage and wear mechanism that is common to all of these comminution processes is abrasion. Thus, the short term objective of this research is to develop a better understanding of ore breakage through abrasion and its relationship with abrasive wear and friction.