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RESIN INFUSION MOLDING APPLICATION
IN RAIL TRANSPORTATION
Jorge Nasseh
Barracuda Technologies
Rio de Janeiro - Brazil
Benefits of Structural Composites in Train Application
• Stiffness
• Lightweight
• Durable
• Easy to mold to almost any shape
• Meet aerodynamics, insulation and noise performance
Complexity of Structural Composite Design
• Reliable Structural Design
• Manufacturing Process
• Production Scale
• Competitive Overall Cost
The Cost Factor
Building Composite Parts with Close Molding Methods
• Structural Integrity
• Low Weight
• Repeatability
• Clean Work Environmental
• Production Scale Cost Performance
Building Composite Parts with Close Molding Methods
The Principle Behind the Method
Fluid Flow on a Porous Media
Darcy’s Law
Building Composite Parts with Close Molding Methods
• RIM – Resin Infusion Method
• RTM – Resin Transfer Molding
• LRTM – Light Resin Transfer Molding
• ULRTM – Ultra Light Resin Transfer Molding
Building Composite Parts with Close Molding Methods
Building Composite Parts with Close Molding Methods
Building Composite Parts with Close Molding Methods
Building Composite Parts with Close Molding Methods
The Case of a Sidewall
• Structural Analysis
• Close Molding Selection - ULRTM
• Building the Mold
• Resin Flow Simulation
• Building Parts
The Case of a Sidewall
Structural Analysis – Finite Element Analysis
The Case of a Sidewall
Flow Modeling
The Case of a Sidewall
Going to Production
The Case of a Sidewall
Final Assembly
