Niobium-Base Refractory Alloys with Silicide and Carbide Hardening Current Status and Prospects

摘要

Achievements in the field of development of a new generation of refractory alloys based on the Nb - Si and Nb - C systems in the leading producing countries are reviewed. Results obtained for specimens of a patented domestic alloy with composition 45Nb - 16Si - 13Ti - 4Zr - 4Hf - 3.5Cr - 3.5Al - 9Mo - 2Y (at.%) are presented. Data on the structure and strength properties of the alloys based on the Nb - C system are discussed.