Conclusions
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1.
A study, based on chemical and x-ray phase analyses, was made of the reactions of hydrogen sulfide with zirconium and hafnium oxides alone or mixed with carbon (in the oxide-to-carbon molar ratio 1∶2) at temperatures of 500–1300 deg C and also of the reactions of carbon disulfide with ZrO2 and HfO2 in the temperature range 500–1400 deg C.
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2.
It was established that approximately stoichiometric, single-phase zirconium and hafnium disulfides form only during the sulfidization of these oxides with carbon disulfide at 1300–1400 deg C. The lattice parameters and the pycnometric densities of zirconium and hafnium disulfides were determined.
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Translated from Poroshkovaya Metallurgiya, No. 7 (127), pp. 6–10, July 1973.
The authors wish to express their deep gratitude to Academician Professor G. V. Samsonov for his valuable advice and assistance in this work.
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Kaminskii, B.T., Prokof'eva, G.N., Plygunov, A.S. et al. Manufacture of zirconium and hafnium sulfide powders. Powder Metall Met Ceram 12, 521–524 (1973). https://doi.org/10.1007/BF00796747
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DOI: https://doi.org/10.1007/BF00796747