VT Witusiewicz, AA Bondar, U Hecht, S Rex… - Journal of alloys and …, 2008 - Elsevier
Aiming to obtain a reliable description of the quaternary Al–B–Nb–Ti system, the thermodynamic descriptions of the constituent binary systems B–Nb and B–Ti are revised by …
Laser deposited coatings were made from Colmonoy 69 Ni–Cr–B–Si–C alloy and Nb- modified Colmonoy 69 using laser cladding with powder injection. Addition of Nb was done …
NbB 2–NbC composite powders were fabricated at reduced temperatures via the carbothermal route by mechanical milling of Nb 2 O 5, B 2 O 3 and C powder blends. Both …
L Portebois, S Mathieu, Y Bouizi, M Vilasi - Surface and Coatings …, 2014 - Elsevier
Multilayered silicide coatings are developed to protect Nb alloys from high temperature oxidation. Their efficiency is improved using a second halide-activated pack-cementation …
Ö Balcı, D Ağaoğulları, ML Öveçoğlu… - Transactions of Nonferrous …, 2016 - Elsevier
Niobium boride powders having NbB, NbB 2 and Nb 3 B 4 phases in various amounts and single phase NbB powders were successfully synthesized by using powder metallurgy …
K Yoshitomi, Y Nakama, H Ohtani, M Hasebe - ISIJ international, 2008 - jstage.jst.go.jp
A thermodynamic analysis of the Fe–Nb–B ternary system has been carried out by estimating the unknown thermodynamic properties of various borides and solid solutions …
This study reports on the consolidation of niobium boride powders by cold pressing/pressureless sintering (PS, with or without Co addition) and spark plasma sintering …
ABSTRACT Monolithic NbB2, NbB2-SiC, and NbB2-SiC-GNP samples were produced by spark plasma sintering (SPS), and the effects of additives on the mechanical and thermal …
RM Peçanha, F Ferreira, GC Coelho, CA Nunes… - Intermetallics, 2007 - Elsevier
In the present work, the Nb–B binary system was thermodynamically optimized. The stable phases in this system are BCC (niobium), Nb3B2, NbB, Nb3B4, Nb5B6, NbB2, B (boron) …