Turbine disks, blades and combustor hardware
Nickel- and cobalt-base alloy families engineered for creep, oxidation, corrosion and strength retention in turbines, combustors, reactors and severe hot-section service.
Metals & Alloys · Level 3 Engineering Gateway
Nickel & Cobalt Superalloys
Nickel- and cobalt-base alloy families engineered for creep, oxidation, corrosion and strength retention in turbines, combustors, reactors and severe hot-section service.
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Primary Engineering Functions
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Reactor and high-temperature process components
Nickel- and cobalt-base alloy families engineered for creep, oxidation, corrosion and strength retention in turbines, combustors, reactors and severe hot-section service.
Corrosion-resistant piping and heat-exchanger systems
Nickel- and cobalt-base alloy families engineered for creep, oxidation, corrosion and strength retention in turbines, combustors, reactors and severe hot-section service.
Hot-section fasteners, springs and tooling
Nickel- and cobalt-base alloy families engineered for creep, oxidation, corrosion and strength retention in turbines, combustors, reactors and severe hot-section service.
Alloy / Process / Qualification Control
| Control area | Engineering content |
|---|---|
| Representative alloys / grades | Solid-solution nickel alloys; precipitation-strengthened Ni-base superalloys such as 718-class systems; corrosion-resistant Ni-Cr-Mo families; cobalt-base wear/hot-corrosion alloys; wrought, cast and directionally solidified/single-crystal families. |
| Processing variables | Vacuum melting/remelting, forging, investment casting, solution treatment/aging, HIP, welding/brazing, coating, machining and additive manufacturing. |
| Failure / degradation modes | Creep/rupture, low/high-cycle fatigue, oxidation, hot corrosion, thermal-mechanical fatigue, sigma/TCP phase formation, weld cracking and coating/substrate interaction. |
| Verification & qualification | Heat/chemistry, product route, grain structure, heat treatment, tensile/creep/rupture/fatigue, oxidation/corrosion, NDE, coating condition and repair history. |
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