Human error is inevitable, but nondestructive testing (NDT) helps prevent disasters by meticulously checking materials and components, ensuring their readiness and averting potential losses of lives and finances.

In this article, I will explore the basic principles of phased array ultrasonic inspection and predominantly its applications within the aerospace sector.

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.

Manual or human manipulated NDT is still the primary means of performing Nondestructive Testing (NDT) in unique or one-off applications. Mechanical aids and/or computer assisted manipulation and scanning devices can reduce data gathering time on the site of the item being inspected.

Nondestructive testing of large components can be time consuming and requires several people to work quickly to minimize the impact of testing on the large component manufacturing process.

Quality control can be held up by complex parts which take time to measure, internal issues such as non-compliance and rework, and external problems, such as customer complaints. These challenges slow down productivity.

George Carlin once said, “Everybody smiles in the same language.” 

Zeta potential (ζ) is a key indicator of the stability of colloidal dispersions. The higher the magnitude of the zeta potential (that is, highly positive OR highly negative), the more stable the colloid.

2D and 3D X-ray technologies are among the most useful nondestructive testing (NDT) methods.