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- W75266107 abstract "An analysis is made of the preparation of HfC in vacuum according to the reaction HfO/sub 2/ + 3C = HfC + 2CO, using 99.37% HfO in stoichiometric composition with anthracite black with 0.07% ash and heated at 1000 to 2000 deg C. Dense specimens are prepared by hot pressing hafnium carbide powder at 3000 deg C. The specific conductivity of the HfC is 51.5 mu OMEGA - cm; electromotive force in vapor with lead is 18 mu v/C deg , elasticity modulus 359000 kg/mm/sup 2/, coefficient of thermal expansion 6.06 x 10/sup -6//C deg , emission coefficient as 800 to 1600 deg (with lambda = 0.655 m mu ) is 0.77. The data are compared with physical properties of TiC and ZrC crystals. (R.V.J.)" @default.
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- W75266107 date "1961-05-01" @default.
- W75266107 modified "2023-09-23" @default.
- W75266107 title "PREPARATION AND PROPERTIES OF HfC" @default.
- W75266107 hasPublicationYear "1961" @default.
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