ASTM E114
Full Name
ASTM E114 – Standard Practice for Ultrasonic Pulse-Echo Straight-Beam Contact Testing
Scope
ASTM E114 outlines procedures for ultrasonic pulse-echo straight-beam examination of materials using contact instrumentation. This non-destructive testing method utilizes sound waves to detect internal flaws or variations in material properties.
Key aspects of the standard include:
- Scope: E114 is applicable to metallic and non-metallic materials, providing guidance for both longitudinal and shear wave examinations.
- Equipment calibration: the standard emphasizes the importance of calibrating ultrasonic testing equipment using reference blocks with known acoustic properties. This ensures accurate flaw size estimation and material characterization.
- Test procedure: E114 details procedures for transducer selection, couplant application, signal interpretation, and data recording.
- Applications: this testing method is valuable for detecting discontinuities like cracks, porosity, inclusions, and laminations in various products, including:
- Welds
- Forgings
- Castings
- Extrusions
- Limitations: the standard acknowledges the potential limitations of ultrasonic testing, such as the need for smooth surfaces and challenges in inspecting materials with high attenuation or complex geometries.
ASTM E114 Accredited Inspection Agency
Applied Testing & Geosciences, LLC is accredited for performing inspections using the ASTM E114 standard.
Contact us today to learn more about our testing capabilities and how we can support your business.
Resources
Keywords
ultrasonic testing; pulse-echo; straight-beam; contact testing; sound pressure; attenuation; discontinuities; velocity; calibration; time-of-flight; resolution; frequency; transducers; backscatter; couplant