Our Specialized Repair Capabilities for Blades & Vanes

PAATCO’s integrated repair ecosystem manages the complete component lifecycle, from initial inspection to certified return-to-service.

1. Comprehensive Diagnostic & Non-Destructive Testing (NDT)

Every component undergoes a rigorous assessment to determine the full scope of damage and the optimal repair strategy.

• · Fluorescent Penetrant Inspection (FPI) for surface crack detection.
• · Radiography (X-Ray/CT Scanning) for internal defect and wall thickness analysis.
• · Dimensional & Metrology Analysis using advanced CMM and laser scanning to compare against OEM blueprints.
• · Microstructural & Coating Evaluation using metallography and SEM/EDS analysis.

2. Advanced Cleaning & Coating Management

· Complete Stripping: Safe removal of degraded Thermal Barrier Coatings (TBC), environmental coatings, and oxides without damaging the substrate.

· Coating Reapplication:

• · Thermal Barrier Coatings (TBC): Application via Atmospheric Plasma Spray (APS) or Electron Beam Physical Vapor Deposition (EB-PVD).
• · Environmental & Bond Coats: Precision application of MCrAlY coatings via High-Velocity Oxy-Fuel (HVOF) or Vacuum Plasma Spray (VPS) processes.
• · Diffusion Coatings: Aluminizing and platinum aluminide processes for enhanced oxidation resistance.

3. Precision Repair of Damage

We restore the structural and aerodynamic integrity of blades and vanes.

• · Crack Repair & Weld Restoration: Utilizing TIG, Micro-Plasma, and Laser Welding for leading/trailing edges, tips, and platforms.
• · Erosion & Wear Repair: Rebuilding worn surfaces using compatible superalloy powders via powder metallurgy welding and brazing.
• · Tip Repair & Squealer Tip Reconstruction.

4. Metallurgical Restoration & Heat Treatment

• · Hot Isostatic Pressing (HIP): To eliminate internal micro-porosity and heal incipient cracks, restoring the alloy's fatigue life.
• · Solution Annealing & Aging Heat Treatments: Precisely controlled furnace cycles to restore the original gamma/gamma-prime microstructure and mechanical properties.

5. Precision Machining & Finishing

• · CNC Grinding & Milling: Restoration of airfoil profiles, seal dimensions, and mounting interfaces to exact OEM tolerances.
• · Abrasive Flow Machining (AFM): For polishing complex internal cooling passages.
• · Final Polishing & Blending: Ensuring aerodynamically smooth surfaces and flawless coating transitions.

Why PAATCO is Your Strategic Repair Partner

• · OEM-Compliant & Certified Processes: Our repair development and execution adhere strictly to (and often exceed) OEM specifications from Siemens Energy, GE

  Aerospace, Mitsubishi Power, Rolls-Royce, and others. Our quality system is certified to AS9100 and ISO 9001.

• · Full Turnkey Solution & Program Management: We provide complete component management—logistics, inspection, repair, testing, and certification—simplifying your supply chain.
• · Proven Cost Savings: Achieve 60-70% cost reduction compared to new part procurement while maintaining performance parity.
• · Reduced Lead Times & Downtime: Our optimized process flow and in-house control of all critical stages ensure rapid turnaround, maximizing your asset availability.
• Engineering-Driven Approach: Our team of metallurgists, coating engineers, and machining experts doesn’t just follow manuals; we solve complex failure mode challenges with innovative, validated solutions.
• · Commitment to Sustainability: By extending component lifecycles, we actively support your ESG goals, reducing the carbon footprint and raw material consumption associated with new part manufacturing.

Our Service Commitment

PAATCO is more than a service provider; we are an extension of your maintenance, repair, and operations (MRO) team. We are committed to:

• · Transparency: Detailed inspection reports and repair recommendations.
• · Reliability: Consistent, repeatable quality that you can depend on for every engine cycle.
• · Partnership: Collaborative problem-solving to enhance fleet reliability and operational economics.

Let PAATCO restore the heart of your turbine. Contact our engineering team today for a comprehensive component evaluation and a competitive proposal. PAATCO – Powering Reliability, Performance, and Value.