Microhardness and its related physical constants in solution-grown ammonium sulphate single crystals

Hardness, Toughness, and Brittleness: An Indentation Analysis

Brian R. Lawn, D. B. Marshall · Journal of the American Ceramic Society · 1979 · 779 citations

Engineering, Mechanical Engineering, Hardness +19

Physical properties and atomic arrangements in crystals

W. A. Wooster · Reports on Progress in Physics · 1953 · 432 citations

Crystal Structure, Engineering, Chemistry +18

Performance and analysis of recording microhardness tests

F. Fröhlich, P. Grau, Wolfgang Grellmann · physica status solidi (a) · 1977 · 348 citations

Penetration Depth P, Engineering, Measurement +22

Raman and infrared studies of the ferroelectric transition in ammonium sulphate

B. H. Torrie, Chih-Chao Lin, O. S. Binbrek et al. · Journal of Physics and Chemistry of Solids · 1972 · 78 citations

Materials Science, Engineering, Ferroelectric Application +9

The Origin of the Ferroelectric Phase Transition in Ammonium Sulfate

Akikatsu Sawada, Yutaka Takagi, Yoshihiro Ishibashi · Journal of the Physical Society of Japan · 1973 · 77 citations

Crystal Structure, Engineering, Chemistry +21