Items Tagged with 'Resonant Acoustic Method'

ARTICLES

QM 1222 Quality 101 NDT RAM 08
Quality 101

Nondestructive Testing Using the Resonance Acoustic Method

RAM is a volumetric approach and evaluates the whole part, both for internal and external structural flaws, metallurgical deviations, and consistency.
Gregory James Weaver
December 15, 2022

The Resonance Acoustic Method (RAM) is a long-standing nondestructive test (NDT) that measures the structural responses of a part. These responses are a set of unique and measurable natural frequency (resonance) data.


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Using Resonant Inspection NDT-RAM as a Process Assessment

Process variations due to manufacturing variables can present as much of a challenge—if not more—as structural defects themselves.
Richard W. Bono Gail Stultz
November 4, 2014

Resonant inspection (RI), the general classification of Resonant Acoustic Method (RAM) nondestructive testing, is commonly used for 100% quality assurance testing of ductile iron cast, powder metal (PM), and metal injection molded (MIM) components, providing a volumetric whole body approach that detects both external and internal structural flaws and anomalies.


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