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CMH-17/EASA Composite Sandwich Workshop

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Past Workshops

2025: EASA/CMH-17/DuPont Composite Sandwich Workshop, Geneva, Switzerland

Geneva, Switzerland 2025 Proceedings

Workshop Introduction- Dariusz Kawka, Berenice Remy (DuPont), and Larry Ilcewicz (FAA)

EASA Bonding and Sandwich Structures- Simon Waite and Melanie Herman (EASA)

Composite Benchmarking, CMH-17 Overview, and Globalization- Larry Ilcewicz and Cynthia Ashforth (FAA)

CMH17 Volume 6 Revision A Introduction- Larry Gintert, Dan Ruffner (CMH-17) Contributors: Vishnu Saseendran and Hoyt (CMH-17)

Coupon Level Sandwich Test Methods at Airbus Helicopters- Tom Kretschmer (Airbus Helicopters)

Damage Tolerance and Fatigue Substantiation of Rotorcraft Composite Sandwich Structures - Philippe Robert (Bell)

Transport Composite Sandwich Structures- IRCWG

GKN Design Approach for Damage Tolerance of Sandwich Structure and GKN-Fokker Service Experience- Jan Waleson & Mike Salter (Fokker-GKN Aero)

Helicopter Blade Design and Manufacturing Principles- Julien Thivend (Airbus Helicopters)

Sandwich Structure for Propeller Blade Applications- Kevin Le Meur (Ratier Figeac)

Daher Experience with Composite Sandwich Structure- Philippe Vallee (Daher)

Case Study & Lessons Learned: Engine Nacelle Sandwich Failure - James Gregory (Spirit AeroSystems Belfast) Contributor: Ralf Hilgers (Airbus)

Rolls-Royce Usage of Sandwich Panels Across the Portfolio - Victoria McGarrity (Rolls-Royce)

Case Study of Fokker 100 Radome Warsaw 2010 Incident- Jan Waleson (Fokker-GKN Aerospace)

Case Study of A350 Radome Event- Alice Marin and Ralf Hilgers (Airbus)

Composite Sandwich Safran Nacelles Experience- Emmanuel Anfray (Safran)

Fatigue Testing of Impact Damaged Sandwich Panels- Jason Hamp (Pratt and Whitney)

V6 Detail, Experience (Manufacture and Maintenance of Sandwich)- Dan Ruffner and Larry Gintert (CMH-17)

Transport Sandwich Manufacture and Maintenance Experience- IRCWG

Airline Experience: Composite Sandwich Structure Maintenance- Eric Chesmar (United Airlines/SAE CACRC)

CACRC Overview and Design Task Group - Eric Chesmar (United Airlines/SAE CACRC)

NIAR Large Scale Manufacturing and Testing Capability- Waruna Seneviratne (WSU/NIAR)

Interiors Experience and CMH-17- CMH-17

Typical Sandwich Applications and Maintenance Needs- Larry Gintert (CMH-17)

EASA/FAA/Airbus Funded Sandwich Disbond R&D Work at DTU&NSE Composites - Christian Berggreen (DTU), Ralf Hilgers (Airbus), Al Fawcett, Hoyt & Mark Lobo (NSE)

Sandwich Disbond No Growth Evaluation- Hoyt & Mark Lobo (NSE)

NIAR Sandwich Disbond Activities and Future Plans to Scale UP- Waruna Seneviratne (WSU/NIAR)

Sandwich Structure NDT/NDI- Helge Hicken (Airbus)

FAA Sandwich Research Programs(Past, Present, and Future)- Cindy Ashforth (FAA), Vishnu Saseendran (NIA), G. Momm (ANAC)

Bond Related Aircraft Accidents Incidents: a Review- Guilherme Momm (ANAC)

Engineering Design-Based Tools to Address Sandwich Disbond Phenomenon- Vishnu Saseenran (NIAR)

EASA Design Current Industry Status Report on Sandwich Disbonding & Proposed Work- Christian Berggreen (DTU), Ralf Hilgers, Martin Blacha (Airbus) and Hoyt (NSE), Andrea Di Renzo (Leonardo)

EPAS Discussion- Simon Waite (EASA), Larry Ilcewicz (FAA), Dariusz Kawka and Berenice Remy (DuPont)

Closing Remarks- Larry Ilcewicz & Cindy Ashforth (FAA)