A review of very-high-temperature Nb-silicide-based composites

BP Bewlay, MR Jackson, PR Subramanian… - … materials transactions A, 2003 - Springer
The temperatures of airfoil surfaces in advanced turbine engines are approaching the limits
of nickel-based superalloys. Innovations in refractory metal-intermetallic composites …

Ultrahigh-temperature Nb-silicide-based composites

BP Bewlay, MR Jackson, JC Zhao, PR Subramanian… - MRS bulletin, 2003 - cambridge.org
This article reviews the most recent progress in the development of Nb-silicide-based in situ
composites for potential applications in turbine engines with service temperatures of up to …

The balance of mechanical and environmental properties of a multielement niobium-niobium silicide-basedIn Situ composite

BP Bewlay, MR Jackson, HA Lipsitt - Metallurgical and Materials …, 1996 - Springer
This article describes room-temperature and high-temperature mechanical properties, as
well as oxidation behavior, of a niobium-niobium silicide based in situ composite …

Oxidation mechanisms in Mo-reinforced Mo5SiB2 (T2)–Mo3Si alloys

TA Parthasarathy, MG Mendiratta, DM Dimiduk - Acta Materialia, 2002 - Elsevier
Results of a systematic investigation of the oxidation in a Mo–Si–B alloy containing the three
phases, Mo, Mo3Si, and Mo5SiB2 (T2) are presented. The relative kinetics of B-containing …

High-temperature refractory metal-intermetallic composites

MR Jackson, BP Bewlay, RG Rowe, DW Skelly… - JOM, 1996 - Springer
In this article, toughness, oxidation, and rupture behaviors of present-generation refractory
metal-intermetallic composites are compared to the performance requisites necessary to …

Mechanical behaviour and oxidation resistance of structural silicides

R Mitra - International Materials Reviews, 2006 - journals.sagepub.com
The need for high performance materials in aerospace, automotive and industrial
components operating at temperatures in the range of 1100–1500° C has led to a surge in …

Effect of Nb on the high temperature oxidation of Ti–(0–50 at.%) Al

H Jiang, M Hirohasi, Y Lu, H Imanari - Scripta Materialia, 2002 - Elsevier
The oxidation behavior of Ti–Nb, Ti3Al–Nb and TiAl–Nb (Nb: 0–30 at.%) has been
investigated at 1173 K in air. When Nb is in solid solution with TiO2, the addition of Nb can …

Processing high-temperature refractory-metal silicide in-situ composites

BP Bewlay, MR Jackson, PR Subramanian - Jom, 1999 - Springer
Abstract High-temperature, refractory-metal, intermetallic, in-situ composites consist of high-
strength, niobium-based silicides with a niobium-based metallic toughening phase. A variety …

Refractory metal-intermetallic in-situ composites for aircraft engines

BP Bewlay, JJ Lewandowksi, MR Jackson - Jom, 1997 - Springer
There has been substantial progress in the development of properties in high-temperature in-
situ composites during the last five years. For example, fracture-toughness values in excess …

A study of the microstructures and oxidation of Nb–Si–Cr–Al–Mo in situ composites alloyed with Ti, Hf and Sn

J Geng, P Tsakiropoulos - Intermetallics, 2007 - Elsevier
The effects of alloying on the microstructures, solidification path, phase stability and
oxidation kinetics of Nbss/Nb5Si3 base in situ composites of the Nb–Ti–Si–Al–Cr–Mo–Hf …