The hardness of silica was carefully studied by Auerbach, who found a surface of vitreous silica to be less hard than either of the principal faces of quartz. Most commercial silica glass is ...
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This model is particularly suitable when users require a high-quality testing device for low-sample throughput. Solidly-built machine—“made in Austria” Hardness testing module has a wide test force ...
Boron carbide is a material that combines hardness, lightness, and resistance to high temperatures, but it poorly withstands shocks. Scientists at the CNRS have developed a new method for synthesizing ...