Abstract: Nonlinear ultrasonics (NLU) has grown in importance over the past years. The viability of applying the newly developed NLU technique called the Sideband Peak Count-Index (SPC-I) to estimate the 28-day unconfined compressive ...

Abstract: Ultrasonic wave based techniques are widely used for damage detection and for quantitative and qualitative characterization of materials. In this study, ultrasonic waves are used for probing the response of additively ...

Abstract: This paper investigates the applicability of the nondestructive testing and evaluation (NDT&amp