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Wang Wei Hua’s group at the Institute of Physics of the Chinese Academy of Sciences investigated the role of cavitation in the fracture behavior of different types of glass in a study that could prove useful in developing stronger versions of the material.
Cavitation has long been assumed to be the underlying mechanism involved in the fracture of metallic glasses, as well as other glassy systems. However, research efforts to observe the cavitation behavior of fractures has thus far been unsuccessful in delivering conclusive information of the effect.
The researchers first performed Vickers indentation (done with a pyramidal diamond, and a procedure that determines a material’s hardness) on a sample attached to an…READ MORE