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Performer: ORNL - Oak Ridge National Laboratory
Scanning electron micrographs of cast and heat-treated<br/>microstructures of (A) a reference heat of Inconel 740<br/>(formulation 2Nb-1.8Ti-0.9Al), and (B) new Inconel 740<br/>(formulation 1.5Nb-1.5Ti-1.3Al), modified for improved<br/>weldability. Note the continuous carbide boundary film<br/>of B, which may be the cause of low creep rupture ductility.
Scanning electron micrographs of cast and heat-treated
microstructures of (A) a reference heat of Inconel 740
(formulation 2Nb-1.8Ti-0.9Al), and (B) new Inconel 740
(formulation 1.5Nb-1.5Ti-1.3Al), modified for improved
weldability. Note the continuous carbide boundary film
of B, which may be the cause of low creep rupture ductility.
Website: ORNL - Oak Ridge National Laboratory
Award Number: FWP-FEAA069
Project Duration: 10/01/2009 – 09/30/2016
Total Award Value: $2,550,000
DOE Share: $2,550,000
Performer Share: $0
Technology Area: Plant Optimization Technologies
Key Technology: High Performance Materials
Location: Oak Ridge, Tennessee

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