University of Cambridge > Talks.cam > Surfaces, Microstructure and Fracture Group > Fracture by a million impacts: Erosion of polycrystalline diamond at temperatures up to 600 ˚C

Fracture by a million impacts: Erosion of polycrystalline diamond at temperatures up to 600 ˚C

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Polycrystalline diamond (PCD) was originally developed in the 1970s for use in tooling. During manufacture, a transition metal catalyst, usually cobalt, is introduced to moderate the sintering pressures and temperatures. However, the cobalt binder remains within the PCD microstructure and plays a key role in crack nucleation and propagation. Here, the wear of PCD is studied using solid particle erosion at ambient and high temperatures.

This talk is part of the Surfaces, Microstructure and Fracture Group series.

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