#------------------------------------------------------------------------------ #$Date: 2012-09-20 21:12:00 +0000$ #$Revision: 001 $ #------------------------------------------------------------------------------ # # This file is available in the Material Properties Open Database (MPOD), # http://www.materialproperties.org/ # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_1000291 _cod_database_code 1000032 _structure_refined 'no' _phase_name 'corundum' _phase_formula 'alpha-Al2O3' _chemical_formula_sum 'Al2 O3' _symmetry_point_group_name_H-M '-3 m' _cell_length_a 4.7605 _cell_length_b 4.7605 _cell_length_c 12.9956 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _phase_cell_temperature ? loop_ _publ_author_name 'Wachtman Jr., J.B.' 'Tefft, W.E.' 'Lam Jr., D.G.' 'Stinchfield, R.P.' _publ_section_title ; Elastic constants of synthetic single crystal corundum at room temperature ; _journal_name_full 'Journal of Research of the National Bureau of Standards A' _journal_volume 64 _journal_issue 3 _journal_page_first 213 _journal_page_last 228 _journal_year 1960 _phase_density 3986 _prop_conditions_temperature ? _prop_measurement_method RT _prop_elastic_stiffness_cij 'cij' loop_ _prop_data_label _prop_data_tensorial_index _prop_data_value cij 11 496.8 cij 12 163.6 cij 13 110.9 cij 14 -23.5 cij 22 496.8 cij 23 110.9 cij 24 23.5 cij 33 498.1 cij 44 147.4 cij 55 147.4 cij 56 -47 cij 66 166.6