Gas Atomized (NiCoCrAlY),E FORU

### **Product Introduction: Gas Atomized NiCoCrAlY Alloy Powder** **Gas Atomized NiCoCrAlY Alloy Powder** is a premium nickel-cobalt-chromium-aluminum-yttrium alloy produced through advanced gas atomization technology, designed specifically for thermal spray coatings and additive manufacturing applications. This sophisticated manufacturing process creates spherical powder particles with excellent flowability, uniform chemical composition, and optimal particle size distribution, making it ideal for high-performance protective coatings in extreme environments. The gas atomization process ensures high purity and minimal oxide content, providing superior coating quality and performance consistency for applications requiring exceptional oxidation resistance, hot corrosion protection, and thermal stability at elevated temperatures. --- #### **Key Features & Advantages** * **Excellent Oxidation Resistance**: Forms a protective alumina scale at high temperatures * **Superior Hot Corrosion Resistance**: Withstands corrosive environments in gas turbine applications * **Good Thermal Stability**: Maintains coating integrity under thermal cycling conditions * **Spherical Particle Morphology**: Ensures excellent flowability and deposition efficiency * **Controlled Particle Size Distribution**: Optimized for various thermal spray processes * **High Purity and Low Oxide Content**: Gas atomization process minimizes contamination --- #### **Chemical Composition (Typical Weight %)** | Element | Content Range (%) | Typical Function | |---------|-------------------|------------------| | **Nickel (Ni)** | Balance | Matrix former, provides basic alloy structure | | **Cobalt (Co)** | 18-25 | Enhances hot corrosion resistance | | **Chromium (Cr)** | 18-22 | Improves oxidation and corrosion resistance | | **Aluminum (Al)** | 8-12 | Forms protective Al₂O₃ scale | | **Yttrium (Y)** | 0.3-0.7 | Improves scale adhesion and coating durability | | **Other Elements** | ≤ 0.5 | Trace elements for specific property enhancement | --- #### **Physical Properties** | Property | Typical Value | Conditions | |----------|---------------|------------| | **Density** | 7.6 - 7.9 g/cm³ | Theoretical density | | **Melting Range** | 1300 - 1400 °C | - | | **Particle Shape** | Spherical | Gas atomized | | **Apparent Density** | 4.2 - 4.8 g/cm³ | Hall flowmeter | | **Flow Rate** | 12 - 18 s/50g | ASTM B213 | | **Oxide Content** | < 0.1% | Typical | --- #### **Mechanical Properties (Coating Characteristics)** | Property | Typical Value | Test Method | |----------|---------------|-------------| | **Coating Hardness** | 250 - 350 HV₃₀₀ | As-sprayed | | **Bond Strength** | > 70 MPa | ASTM C633 | | **Porosity** | < 2% | Metallographic analysis | | **Thermal Expansion** | 13.5 - 15.5 × 10⁻⁶/°C | 20-1000°C | --- #### **International Standards** * **AMS 4777**: Nickel Alloy, Corrosion and Heat-Resistant, Coatings, Powder for Flame Spraying * **AMS 4779**: Nickel Alloy, Corrosion and Heat-Resistant, Coatings, Powder for Plasma Spraying * **ASTM B214**: Standard Test Method for Sieve Analysis of Metal Powders * **ASTM B213**: Standard Test Method for Flow Rate of Metal Powders * **ISO 14919**: Thermal spraying - Wires, rods and cords for flame and arc spraying - Classification, technical supply conditions * **Customer-Specific Specifications**: Various OEM specifications for aerospace and power generation --- #### **Product Applications** **Aerospace Industry:** - Bond coat for Thermal Barrier Coatings (TBCs) on turbine blades and vanes - Oxidation protection coatings for combustion chambers - Hot section component protection in jet engines - Repair and refurbishment of turbine components **Power Generation:** - Gas turbine blade and vane coatings - Combustor liner protection - Heat exchanger surface protection - Boiler tube coatings in waste-to-energy plants **Industrial Applications:** - Chemical processing equipment protection - Heat treatment furnace components - Nuclear reactor components - High-temperature sensor protection **Available Powder Specifications:** - **Particle Size Ranges**: -15/+45 μm for high-quality coatings -45/+106 μm for standard applications -106/+45 μm for high-deposition rates - **Custom size distributions available** --- #### **Coating Processes** * **Atmospheric Plasma Spray (APS)** * **Low Pressure Plasma Spray (LPPS)** * **High Velocity Oxygen Fuel (HVOF)** * **Cold Spray** * **Detonation Gun Spraying** --- **Disclaimer:** *The information provided is for reference purposes only. Actual properties and performance may vary depending on powder lot characteristics, thermal spray parameters, and specific application requirements. Users should conduct their own testing and evaluation to determine suitability for specific applications. Always follow manufacturer's recommendations and applicable safety guidelines when handling and processing metal powders.*

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 3093 gallon liquid totes Special package is available on request.