Фазовая диаграмма системы Nb-W

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Nb-W

Nb-W (Niobium-Tungsten) S.V. Nagender Naidu, A.M. Sriramamurthy, and P. Rama Rao The assessed Nb-W phase diagram belongs to the binary isomorphous category. A continuous series of solid solutions occur with a bcc structure between Nb and W at all temperatures. The assessed diagram is based on [69Rud], with review of the data of [58Kri], [58Mik], and [62Bar]. There is general agreement that Nb and W are completely miscible in both the liquid and solid states. [46Buc] and [61Eng] established the existence of a continuous series of solid solutions between Nb and W of the cI2, Im3m, A2, W type. 46Buc: H. Buckle, Z. Metallkd., 1, 53-56 (1946) in German. 58Kri: N.I. Krimer and Yu.E. Matveev, Proizv. Obrab. Stali Splavov, Moscow Steel Inst. (Sbornik), 38, 420-426 (1958) in Russian. 58Mik: V.S. Mikheev and D.M. Pevtsov, Zh. Neorg. Khim., 3, 861-866 (1958) in Russian. 61Eng: J.J. English, Defense Metals Information Center Rep. No. 152, Battelle Memorial Institute, Columbus, OH, 26 (1961). 62Bar: V.V. Baron, E.M. Savitskii, and K.N. Ivanova, Izv. Akad. Nauk. SSSR, Otd. Tekhn, Nauk. Met. Toplivo, (2), 119-125 (1962) in Russian; TR: Russ. Met. Fuels, (2), 87-97 (1962). 69Rud: E. Rudy, Rep. No. AFML-TR-65-2, Part V, Air Force Materials Laboratory, Wright-Patterson Air Force Base, Dayton, OH, 134-136 (May 1969). Published in J. Alloy Phase Diagrams, 4(3), Sep 1988. Complete evaluation contains 2 figures, 3 tables, and 17 references. 1

 

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