Tribology of hot metal forming

Many aspects of the tribology of hot metal forming are poorly understood. This leads to difficulties when modelling the forming operations to develop process improvements. It also handicaps the development of new tool materials, since the operating conditions with which they will have to cope are not fully described. Several key issues in friction, heat transfer, lubrication, wear and fatigue are discussed. This is an area of tribology with many opportunities for research. It is concluded that progress will be made through a combination of techniques, including laboratory simulation, computer modelling and industrial trials.

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