Nickel-based powder is a type of metal powder primarily composed of nickel. It may also contain other elements such as chromium, cobalt, or molybdenum, depending on the specific alloy. This powder is known for its excellent corrosion resistance and high-temperature stability.
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Nickel-Based Powder Description
Nickel-based alloy powder is one of the most widely used alloy powders on the market, offering excellent comprehensive performance. It is corrosion-resistant, oxidation-resistant, heat-resistant, resistant to low-stress abrasive wear, and has good impact toughness.
Types of Nickel-Based Alloy Powders
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Property
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Inconel
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Incoloy
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Monel
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Hastelloy
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Nimonic
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Composition
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Ni-Cr-Fe + Nb/Mo
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Ni-Fe-Cr
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Ni-Cu
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Ni-Mo-Cr
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Ni-Cr-Co + Ti/Al
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Strengthening Mechanism
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γ'' phase (Ni?Nb) + solid solution
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Solid solution + carbide precipitation
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Solid solution, Cu enhances corrosion resistance
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Solid solution, Mo/Cr for corrosion resistance
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γ' phase (Ni?(Al,Ti)) age hardening
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Max Service Temp.
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650–980°C
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600–1100°C
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540°C
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400–1090°C
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750–1000°C
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Key Advantage
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Balanced strength & weldability
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Oxidation resistance & cost-effectiveness
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Corrosion resistance in seawater/acid & high strength
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Extreme corrosion resistance (acid/halide environments)
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High-temperature creep & oxidation resistance
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Common Grades
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600, 625, 718, 939
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800, 825, 925
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400, K500
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C-22, C-276, X
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80A, 90, 105, 115
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3D Printing Suitability
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Widely used, 718 most mature
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Moderate
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more for forgings/castings
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more for sheets/tubes
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Requires high preheat (anti-cracking), strict oxygen control
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Applications
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Aerospace structures, rocket engines
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Petrochemical heaters, heat treatment equipment
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Marine pumps/valves, chemical piping
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Chemical reactors, marine equipment
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Aircraft turbine blades, combustors
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Reading more: 5 Types of Nickel-Based Alloy Powders
Nickel-Based Powder Properties and Benefits
The melting point of nickel is high. Nickel-based alloy powders often work well at temperatures up to 1200°C.
The structure of the alloy provides good resistance to oxidation. In high-temperature environments, the alloy forms a thin, protective oxide layer, which prevents further damage from oxidizing agents.
When used in compositions where materials face cycles of stress, the nickel-based alloy powder helps parts absorb vibration and shock. It makes components suitable for work under repetitive loads.
It has a good mix of strength, ductility, and hardness.
Another important property is its ability to form a good bond during sintering.
Nickel-Based Powder Applications
Nickel-based Powder is widely used in numerous industries due to its exceptional properties. Some key application areas include:
- Aerospace and Aviation: Nickel Based Powder is utilized in aircraft engines, gas turbine components, and exhaust systems due to its high-temperature performance, corrosion resistance, and mechanical strength.
- Automotive: The powder finds application in automotive exhaust systems, turbochargers, and engine components, where corrosion resistance, high-temperature performance, and durability are essential.
- Energy and Power Generation: Nickel Based Powder is employed in power plants and renewable energy systems, including solar thermal plants and wind turbines, due to its high-temperature resistance and corrosion resistance.
- Chemical Processing: The powder is used in chemical reactors, valves, and pumps, where corrosion resistance to harsh chemicals and durability are critical.
- Medical and Dental: Nickel Based Powder finds application in medical implants, dental prosthetics, and surgical instruments due to its biocompatibility and resistance to wear and corrosion.
