Significance and Use
The primary advantage of RUS is its ability of making numerous measurements in a single test. In addition, it can examine rough ground parts. It requires little sample preparation, no couplants, and generally will work with soiled items; however, it has no capability with soft materials. Soft metals, polymers, rubbers, and wood parts are not viable candidates for this technology.
1.1 This guide describes a procedure for detecting defects in metallic and non-metallic parts using the resonant ultrasound spectroscopy method. The procedure is intended for use with instruments capable of exciting and recording whole body resonant states within parts which exhibit acoustical or ultrasonic ringing. It is used to distinguish acceptable parts from those containing defects, such as cracks, voids, chips, density defects, tempering changes, and dimensional variations that are closely correlated with the parts' mechanical system dynamic response.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E1316 Terminology for Nondestructive Examinations
E1876 Test Method for Dynamic Youngs Modulus, Shear Modulus, and Poissons Ratio by Impulse Excitation of Vibration
acoustic resonance spectroscopy; elastic properties; impulse excitation; modes; nondestructive test; peak shifting; peak splitting; quality control; resonance inspection; resonance ultrasound spectroscopy; resonances; resonant acoustic method; swept sine excitation; Acoustic resonance spectroscopy; Defects--metals/alloys; Elastic properties; Metals and metallic materials; Nondestructive evaluation (NDE)--radiographic; Nonmetallic materials; Peak shifting and quality control; Resonance inspection; Resonant ultrasound spectroscopy
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Citing ASTM Standards
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