|July 2012 - Present||Associate Researcher, Ames Laboratory|
|July 2012 - Present||Director, Iowa State University ‐ Center for Nondestructive Evaluation|
|July 2012 - Present||Professor, Iowa State University ‐ Department of Aerospace Engineering|
|July 2012 - Present||Professor, Iowa State University ‐ Department of Mechanical Engineering|
|July 1974 - May 1978||PhD, PhD in Physics, City University London|
2247 Howe Hall
537 Bissell Rd
Ames, IA 50011
Fax: (515) 294-3262
Peer-Reviewed Journal Papers (19)
Model-Assisted Approach for Probability of Detection (POD) in High-Temperature Ultrasonic ...
Nuclear Technology (2018)
Advanced piezoelectric-based ultrasonic transducers offer the potential for in-coolant nondestructive testing (NDT) measurements at high temperatures (HTs), including during hot ...
Powder-based additive manufacturing – a review of types of defects, generation ...
International Journal of Additive and Subtractive Materials Manufacturing (2017)
Powder-based additive manufacturing (AM) technologies have been evaluated for use in different fields of application (aerospace, medical, etc.). Ideally, AM ...
Reviewed Conference Proceedings (36)
Temperature dependence of electromechanical impedance based bond-line integrity monitoring
Proceedings of SPIE (2017)
Electromechanical impedance (EMI) is an important technique for bond-line integrity monitoring of adhesively bonded joints in automotive and aerospace structures. ...
Using Remote NDE, including External Experts in the Inspection Process ...
Center for Nondestructive Evaluation Conference Papers, Posters and Presentations (2017)
The paper discusses the challenges for NDE operating in the environment of advanced manufacturing techniques characterized by networking of systems. ...
Ultrasonic Sol-Gel Arrays for Monitoring High-Temperature Corrosion
Proceedings of the 19th Worl dConference on Non-Destructive Testing (2016)
Corrosion of oil refinery equipment operating at high temperature is a growing challenge linked to an increase in sulfur concentration ...
Higher Order Acoustoelastic Lamb Wave Propagation in Stressed Plates
Review of Progress in Quantitative Nondestructive Evaluation (2016)
Residual stresses can be generated during fabrication processes, such as, welding, forging, rolling etc[1-3] . They have obvious influence on ...