Mr. David Ahearn performs scientific investigations and root cause analyses of failed components, structures, and systems. Common issues for analysis are determining contributions toward failure from design, manufacturing methods/material processes, use conditions, maintenance, or application.
His investigations have included everyday items such as roadways and household items, to complex industrial material applications for refractory linings and computer components. In addition to components and structures, Mr. Ahearn has performed systems analyses for regulatory compliance, gap assessments, code and safety compliance.
Areas of Expertise
Professional Associations
- American Society of Civil Engineers (ASCE)
- American National Standards Institute (ANSI)
- American Society for Testing & Materials (ASTM)
- American Ceramic Society
- Institute of Refractory Engineers (IRE)
- American Concrete Institute (ACI)
- National Council of Examiners for Engineering & Surveying (NCEES)
- American Society of Safety Professionals (ASSP)
Publications
- Fracture Modes and Appearances in Ceramics, Fractography, Vol 12, ASM Handbook, p 502–51, November 2024
- Thermomechanical Analysis of a Ceramic Cooker, Journal of Failure Analysis and Prevention, June 2013
- Residual Failure Due to Incomplete Sintering of Vitreous China Plumbing Fixtures, Fractography of Glasses and Ceramics, January 2011
- Fracture Patterns of Impact Resistant Glass Panels laminates with Annealed and Heat Strengthened Glass Plates, Fractography of Glasses and Ceramics, January 2006