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Scientific Review: Residual Stress Measurements at HANARO

The high penetration ability of thermal neutrons through most industrial materials (steel, aluminum, nickel, zirconium) makes neutron diffraction a valuable tool for obtaining non-destructively stress information deep inside engineering components. Now residual stress measurements by neutron diffraction have become routine [1,2] and demand from industrial customers for such measurements to solve stress-related problems continuously increases. Such a tendency is to be observed in Korea, too, although at the present time the demand is not as strong as in developed countries in Europe and North America.