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- [4] OXIDATION OF TANTALUM AND NIOBIUM IN TEMPERATURE-RANGE 400 DEGREES 600 DEGREES C [J]. JOURNAL OF THE LESS-COMMON METALS, 1973, 30 (02): : 249 - 258
- [5] OXIDATION OF NIOBIUM (COLUMBIUM) IN THE TEMPERATURE RANGE 500-DEGREES-C TO 1200-DEGREES-C [J]. TRANSACTIONS OF THE METALLURGICAL SOCIETY OF AIME, 1961, 221 (02): : 285 - 294
- [6] DEPENDENCE, ON TEMPERATURE AND TIME, OF FIXING NITROGEN BY NIOBIUM IN LOW-CARBON IRON AT 450 DEGREES C TO 800 DEGREES C [J]. ARCHIV FUR DAS EISENHUTTENWESEN, 1970, 41 (08): : 745 - &
- [8] OXIDATION OF TANTALUM-HAFNIUM POLYCRYSTALS AND SINGLE CRYSTALS IN TEMPERATURE RANGE 750 DEGREES-1050 DEGREES C [J]. JOURNAL OF THE LESS-COMMON METALS, 1971, 25 (02): : 115 - &