TS 11084

TS 11084 is a terminology standard for ultrasonic flaw detection, bringing together the terms and definitions used in this branch of nondestructive testing. In practical NDT work, ultrasonic inspection relies on a shared vocabulary for the physical concepts behind wave propagation and signal interpretation, so this standard serves as a linguistic and conceptual reference rather than a test method standard.

Why terminology matters in ultrasonic inspection

Ultrasonic testing uses high-frequency sound waves introduced into a material through a probe or transducer. The returning echoes and signal patterns are interpreted to identify internal discontinuities, geometric reflectors, and material features. Terms such as beam path, reflection, echo, indication, couplant, and flaw-related descriptors need consistent meaning across reports, training, and technical communication. A terminology standard helps reduce ambiguity in these discussions.

What this document covers

The scope of this document is the definition of terms related to the ultrasonic inspection method and its basic physical concepts. It does not present acceptance limits or inspection procedures as such; its function is to define the language used around the method. The reference background cites BS 3683-Part 4:1985 and ASTM E 1316-1992, while TS 11084 itself is the withdrawn Turkish edition of this terminology work.

• Defines terms used in ultrasonic flaw detection.
• Organises the core physical concepts behind the method.
• Supports consistency in reports, training, and technical exchange.
• Serves as a vocabulary reference within nondestructive testing.