Incoloy 901（UNS N09901）

以下是关于 Incoloy 901 的英文版产品介绍：

Overview: Incoloy 901 is a nickel-iron-chromium-based superalloy specifically designed for high-performance applications requiring exceptional strength, corrosion resistance, and thermal stability. This alloy is particularly suitable for components subjected to high stresses and temperatures in the aerospace and energy industries, such as gas turbines and other high-temperature environments.

Key Features:

1. High Strength: Excellent mechanical properties due to its precipitation hardening capability, achieved through additions of aluminum and titanium.
2. Corrosion Resistance: Outstanding resistance to oxidation and corrosion in high-temperature environments.
3. Thermal Stability: Exceptional stability under prolonged exposure to elevated temperatures, ensuring consistent performance over time.
4. Fabrication Flexibility: Good workability and weldability, making it suitable for complex component manufacturing.

Chemical Composition:

• Nickel (Ni): 40–45%
• Iron (Fe): Balance
• Chromium (Cr): 11–14%
• Molybdenum (Mo): 5–6.5%
• Titanium (Ti): 2.35–2.75%
• Aluminum (Al): 0.35–0.75%
• Other elements: Small amounts of manganese, silicon, carbon, and cobalt.

Applications:

1. Aerospace Industry: Turbine blades, discs, and other components exposed to extreme stress and temperature.
2. Power Generation: Gas turbine components in power plants.
3. Chemical Processing: Heat exchangers and reactor vessels requiring resistance to thermal cycling and corrosion.
4. Other High-Temperature Uses: Engine parts and structural components in challenging environments.

Physical Properties:

• Density: 8.14 g/cm³
• Melting Point: 1370–1400°C (2498–2552°F)
• Elastic Modulus: Approximately 200 GPa
• Thermal Expansion: 12.7 µm/m·°C (at 20–1000°C)

Standards and Specifications: Incoloy 901 is available in various forms, including bars, sheets, and forgings, and adheres to industry standards such as ASTM B163, B168, and AMS 5660.

Advantages:

• Long service life in high-temperature environments.
• Reliable performance in dynamic mechanical systems.
• Cost-effective for critical applications due to durability and resistance properties.