Airbus A320 Aircraft Jet Engine Turbine Blade

The Airbus A320 family of aircraft typically uses engines from two main manufacturers:

1. CFM International – CFM56 and LEAP-1A

2. Pratt & Whitney – V2500 and PW1100G-JM

Turbine Blade Overview

In the jet engines of the Airbus A320, turbine blades play a critical role in extracting energy from high-temperature, high-pressure gases to drive the engine’s compressor and fan. These blades must endure extreme thermal, mechanical, and aerodynamic stresses.

Materials Used

Unlike compressor blades, which can be made from titanium, turbine blades in modern jet engines are usually made from nickel-based superalloys due to their superior heat resistance. These materials can withstand temperatures exceeding 1,000°C, often beyond their melting point, due to single-crystal technology and thermal barrier coatings (TBCs).

Turbine Blade Features in Airbus A320 Engines

• Nickel-Based Superalloys (e.g., Inconel, René alloys) for high-temperature performance

• Single-Crystal (SC) or Directionally Solidified (DS) Casting for increased durability

• Thermal Barrier Coatings (TBCs), often using yttria-stabilized zirconia (YSZ) to protect against extreme heat

• Cooling Holes – internal channels that allow air to flow through, preventing overheating

Titanium in Airbus A320 Jet Engines

Titanium is typically used in:

• Fan Blades & Compressor Blades (lighter weight, strong)

• Casing & Structural Components (corrosion-resistant)
  However, for high-pressure turbine blades, nickel-based superalloys are preferred due to their superior heat resistance.