Texas A&M Turbomachinery Laboratory (TurboLab)
Texas A&M University • 3254 TAMU • College Station, Texas 77843-3254
Phone: 979-845-7417 • Fax: 979-847-9500 • Web: http://turbolab.tamu.edu/
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Short Course 3

Nondestructive Evaluation Applications for Turbomachinery Components

Instructors:
Teodoro Leon Salamanca, Eugene R. Reinhart, and Stan Kaminski, Reinhart & Assoc., Inc., Austin, TX

Outline
● Introduction to NDE methods
● Liquid penetrant testing (PT)
● Magnetic particle testing (ET)
● Eddy current testing (ET)
● Visual testing (VT)
● Ultrasonic testing (UT)
● Qualification and certification of NDE personnel
● Applications of NDE to turbomachinery components
● Special NDE techniques
- Phased array ultrasonic testing of turbine rotor dovetails
- Turbine rotor boresonics
● Bibliography

Course Overview
The use of nondestructive evaluation (NDE) methods has become of primary importance to guaranty the delivery of high quality products and to assess the integrity of turbomachinery components such as rotor shafts, blades, disks, rotor bores, etc. NDE has become a major task in predictive/preventive maintenance programs and a vital part of the process to calculate remaining useful life of aging components. Direct and remote visual testing (VT) techniques such as video probes allow the inspector to view critical areas of these components without disassembly. Along with VT, the methods of eddy current testing (ET), liquid penetrant testing (PT), and magnetic particle testing (MT) allow the inspector to define the surface characteristics, location, and length of discontinuities. The NDE methods of radiographic testing (RT) and ultrasonic testing (UT) provide the inspector with information on the size, location, and depth of discontinuities. Automated systems containing data acquisition from one or more techniques of these methods along with motion control provide an invaluable tool to fully characterize discontinuities that could seriously affect the integrity of turbomachinery components.

Who Should Attend
This short course should be attended by engineering personnel in charge of equipment maintenance and life prediction as well as technical personnel directly involved in testing, quality control, and quality assurance of turbomachinery components.

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