The paper reflects on the development of Nb-silicide based alloys vis-à-vis property goals
and compares them with refractory-complex-concentrated-alloys (RCCAs) for their density …

This paper reflects on the potentiality and development of the Nb-Si alloys for the hot section
components of the futuristic turbine engine. The Nb-Si alloys consist of ductile Nbss phase …

The effect of chemical bonding on the mechanical properties of high-temperature materials
remains a big challenge. In this paper, the relationship between Si concentration and …

First-principles calculations were carried out for the Nb 3 Si, αNb 5 Si 3, βNb 5 Si 3 and NbSi
2 intermetallic compounds and their constituent elements. The enthalpies of formation were …

The development of Nb-silicide based alloys is frustrated by the lack of composition-process-
microstructure-property data for the new alloys, and by the shortage of and/or disagreement …

The effects of Cr, Al and Ti on the microstructure and hardness of as cast and heat treated
Nb–18Si–5Hf–5Cr (YG1), Nb–18Si–5Hf–5Al (YG2) and Nb–18Si–5Hf–24Ti (YG3) alloys …

Four Nb silicide based ultrahigh temperature alloys with compositions of Nb–22Ti–16Si–5Cr–
4Hf–3Al–xB (x= 0, 2, 5 and 10, respectively)(at%) were prepared by vacuum non …

The effects of Hf, Mo and W on the microstructure and hardness of as cast and heat treated
(1500° C/100 h) Nb–20Si–5Hf–5W (YG5), Nb-20Si–5Mo–3W (YG6) and Nb–20Si–5Hf–5Mo …

The alloying of Nb5Si3 modifies its properties. Actual compositions of (Nb, TM) 5X3 silicides
in developmental alloys, where X= Al+ B+ Ge+ Si+ Sn and TM is a transition and/or …

This is the first report introducing the idea of processing Nb-silicide-based in-situ composite
through electron beam powder bed fusion (PBF-EB). A high energy input together with a line …