High temperature niobium alloy

Alloys or metallic compositions – Niobium base – Titanium – zirconium – or hafnium containing

Reexamination Certificate

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C148S422000

Reexamination Certificate

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07632455

ABSTRACT:
Niobium alloy compositions and systems comprising the niobium alloy composition are provided. The niobium alloy compositions comprises between about 10 atomic % and about 30 atomic % of titanium, between about 7 atomic % and about 20 atomic % of silicon, between about 5 atomic % and about 20 atomic % of molybdenum, between about 2 atomic % and about 10 atomic % of chromium, between about 2 atomic % and about 10 atomic % of aluminum, between about 3 atomic % and about 7 atomic % of zirconium, between about 1 atomic % and about 7 atomic % of carbon, between about 1 atomic % and about 6 atomic % of hafnium, and niobium.

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