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The goal of the Special Issue “Brittle Materials in Mechanical Extremes” is to spark a discussion of the analogies and the differences between different brittle materials, such as ceramics and concrete. The contributions to the Issue span from construction materials (asphalt and concrete) to structural ceramics to ice. Data reported in the Issue were obtained by advanced microstructural techniques (microscopy, 3D imaging, etc.) and linked to mechanical properties (and their changes as a function of aging, composition, etc.). The description of the mechanical behavior of brittle materials under operational loads, for instance, concrete and ceramics under very high temperatures, offers an unconventional viewpoint on the behavior of such materials. While it is by no means exhaustive, this Special Issue paves the road for the fundamental understanding and further development of materials.

Research & information: general --- Technology: general issues --- restraint --- creep --- double feedback method --- concrete --- temperature stress testing machine (TSTM) --- alkali-activated slag --- elevated temperatures --- Na2O concentration --- residual strength --- brittleness --- melting --- Fiber-reinforced concrete --- X-ray computed tomography (CT) --- anisotropic fiber orientation --- inverse analysis --- silica --- super-insulating materials --- instrumented indentation --- porosity --- electro-fused zirconia --- microcracking --- synchrotron x-ray refraction radiography (SXRR) --- thermal expansion --- ice --- high rate loading --- compressive loading --- Split Hopkinson bar --- in-situ fractography --- biomaterials --- bioceramics --- coating --- mechanical properties --- existing buildings --- reinforced concrete --- seismic vulnerability assessment --- in situ concrete strength --- variability of concrete strength --- high speed railway --- SBS/CR modified asphalt --- long-term aging --- anti-aging --- engineered cementitious composites --- steel grid --- fiber --- tensile capacity --- energy dissipation --- ceramics --- asphalt --- microstructure --- strength --- restraint --- creep --- double feedback method --- concrete --- temperature stress testing machine (TSTM) --- alkali-activated slag --- elevated temperatures --- Na2O concentration --- residual strength --- brittleness --- melting --- Fiber-reinforced concrete --- X-ray computed tomography (CT) --- anisotropic fiber orientation --- inverse analysis --- silica --- super-insulating materials --- instrumented indentation --- porosity --- electro-fused zirconia --- microcracking --- synchrotron x-ray refraction radiography (SXRR) --- thermal expansion --- ice --- high rate loading --- compressive loading --- Split Hopkinson bar --- in-situ fractography --- biomaterials --- bioceramics --- coating --- mechanical properties --- existing buildings --- reinforced concrete --- seismic vulnerability assessment --- in situ concrete strength --- variability of concrete strength --- high speed railway --- SBS/CR modified asphalt --- long-term aging --- anti-aging --- engineered cementitious composites --- steel grid --- fiber --- tensile capacity --- energy dissipation --- ceramics --- asphalt --- microstructure --- strength