Aerospace & Defense

🔥 Low-Pressure Turbine Blades (Gamma-TiAl)

Thin-wall hollow or solid aerofoil with complex internal cooling passages (or solid for LPT), fir-tree root attachment

3 Processes

What is Low-Pressure Turbine Blades (Gamma-TiAl)?

🔥 Low-Pressure Turbine Blades (Gamma-TiAl) represents a complete system of precision titanium components engineered for Aerospace & Defense applications. Thin-wall hollow or solid aerofoil with complex internal cooling passages (or solid for LPT), fir-tree root attachment The system integrates 0 distinct component types manufactured through 3 specialized processes.

Engineering & Design Principles

Material: Gamma-TiAl (Ti-48Al-2Cr-2Nb) offers 50% weight reduction vs Ni-based superalloys while maintaining adequate strength up to 750C. Enables lighter turbine rotors and reduced disc loading.

Form: Investment casting is the primary forming method for Gamma-TiAl blades due to the materials low ductility and difficulty in forging. HIP + heat treatment follows casting.

Standards & Material Specifications

Standards: AMS 6900 / ASTM F3069, investment cast + HIP, 100% X-ray + FPI, creep sample per batch

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Engineering Solution Blueprint

Low-Pressure Turbine Blades (Gamma-TiAl)

Aerospace · Defense

1 Part Feature Analysis

Thin-wall hollow or solid aerofoil with complex internal cooling passages (or solid for LPT), fir-tree root attachment

  • ⚠️ High-temperature creep (650-750C)
  • ⚠️ Centrifugal stress at high RPM
  • ⚠️ Oxidation at elevated temperature
  • ⚠️ Thermal fatigue
  • ⚠️ Weight reduction

2 Material Selection Rationale

Gamma-TiAl (Ti-48Al-2Cr-2Nb) — Intermetallic, 50% lighter than Ni superalloys, up to 750C

Gamma-TiAl (Ti-48Al-2Cr-2Nb) offers 50% weight reduction vs Ni-based superalloys while maintaining adequate strength up to 750C. Enables lighter turbine rotors and reduced disc loading.

3 Form Selection Rationale

Die Forging / Ring — for high-stress critical parts

Investment casting is the primary forming method for Gamma-TiAl blades due to the materials low ductility and difficulty in forging. HIP + heat treatment follows casting.

4 Manufacturing Process & Services

Core Processes:

Investment castingHot isostatic pressing (HIP)Precision grinding of root formSurface coating (if required)

Toll Processing Services:

X-ray / CT inspectionMetallographic evaluationCreep testingFlow testing (cooled blades)

Process Pitfalls:

  • ⚠️ Gamma-TiAl has <2% elongation at RT — machining must be done with PCD tooling at low speeds
  • ⚠️ Surface cracks >0.1mm are rejectable; require 100% FPI inspection

5 Procurement Specifications

AMS 6900 / ASTM F3069, investment cast + HIP, 100% X-ray + FPI, creep sample per batch

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Manufacturing Process Flow

1
Hot isostatic pressing (HIP)

Professional densification process for titanium components. Hot isostatic pressing (HIP) is performed by certified technicians following approved proc

2
Investment casting

Professional casting process for titanium components. Investment casting is performed by certified technicians following approved procedures and speci

3
Precision grinding of root form

Press brake forming of titanium sheet uses CNC-controlled backgauges and variable-radius tooling to produce precision bends. Titanium's high springbac

Components in This System

Frequently Asked Questions

What titanium grades are used in Low-Pressure Turbine Blades (Gamma-TiAl) systems?
Low-Pressure Turbine Blades (Gamma-TiAl) components are manufactured from titanium grades selected for their specific functional requirements, including Grade 2, Grade 5 (Ti-6Al-4V), and Grade 23 ELI as applicable.
What manufacturing processes are used for Low-Pressure Turbine Blades (Gamma-TiAl)?
Low-Pressure Turbine Blades (Gamma-TiAl) components are manufactured using processes selected for each component's specific geometry, tolerance, and volume requirements.
What quality standards apply to Low-Pressure Turbine Blades (Gamma-TiAl) components?
All Low-Pressure Turbine Blades (Gamma-TiAl) components are manufactured under ISO 9001:2015 and AS9100D certified quality management systems.
What industries use Low-Pressure Turbine Blades (Gamma-TiAl)?
Low-Pressure Turbine Blades (Gamma-TiAl) systems serve the Aerospace & Defense industry, with components engineered to meet sector-specific regulatory and performance standards.
Can you provide DFM feedback for Low-Pressure Turbine Blades (Gamma-TiAl) designs?
Yes. Our engineering team provides free Design for Manufacturability (DFM) analysis for Low-Pressure Turbine Blades (Gamma-TiAl) projects. Upload your CAD file (STEP, DXF, or DWG format) and our team will review your design within 24 hours.

Engineering Trends

  • ▸ Process: Investment casting
  • ▸ Process: Hot isostatic pressing (HIP)
  • ▸ Process: Precision grinding of root form

Related Manufacturing Capabilities

These specialized processes support Low-Pressure Turbine Blades (Gamma-TiAl) component manufacturing.

Hot isostatic pressing (HIP) Investment casting Precision grinding of root form
About Boze Titanium Manufacturing Center

One Metal. One Focus. Infinite Precision.

Founded in 2011 in Baoji's Titanium Valley, BOZE Metal is dedicated exclusively to titanium — from raw material to precision engineering. AS9100D, ISO 13485 & ISO 9001 certified with 500+ clients across Aerospace, Medical & Motorsport industries, we deliver end-to-end precision titanium CNC machining with full material traceability from source to component.

Boze Titanium Manufacturing Center is operated by Baoji Boze Metal Products Co., Ltd.

AS9100D ISO 13485 ISO 9001 500+ Clients 15+ Years OEM/ODM
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