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Roger King & Failure Control Metallurgists and Materials Scientists


We are Metallurgists and Materials Scientists with a wide range of expertise who investigate engineering and technical failures and advise in their prevention. In addition our engineering skills and access to laboratory and inspection facilities enable us to provide a "one stop shop" for failure investigations and structural integrity problems. Investigations are conducted worldwide.

Our clients are mostly in the marine, energy and construction sectors, but we apply our skills successfully in other areas ranging from medical devices to Formula 1 racing. We also undertake Research and Development activities for clients and serve on technical committees with responsibility for drafting Codes and Standards.

Much of our work is now concerned with technical disputes and insurance matters. We act as expert witnesses for arbitration and litigation under English and overseas jurisdictions and assist insurers and loss adjusters in technical aspects of claims settlement.



Roger King is an experienced metallurgist with a first career in fatigue research accompanied by more than 25 years of practical experience in the design, construction, failure and repair of ships, pipelines and offshore structures. His professional metallurgical skills are supplemented by a long-term experience of fracture mechanics and structural analysis. He has responsibility for the day-to-day management of the company and is the principal consultant leading work that involves metallic materials and failures in the marine, energy and construction sectors.


Christina Doyle is a materials scientist by training who specialises in medical technology and biomaterials. She is the principal consultant leading work that involves ceramics and polymers, and the failure of medical devices (including devices manufactured from metals). She is currently visiting Professor at the University of Exeter School of Engineering and University of Surrey Materials Institute.