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This document describes SONATS research, in-field experiences and knowledge about Ultrasonic Needle Peening (UIT/HFMI). It is dedicated to any people (engineers, welders, operators, controllers) who are interested in this process.

Ultrasonic Shot Peening (USP) process differs from Conventional Shot Peening by the way the kinetic energy is given to the media.  Instead of using a constant air flow, gravity or a high speed rotation of a turbine, USP is using...

EMPOWERING TECHNOLOGIES has developped an innovative and efficient technology (STRESSONIC®), only one process consistent with technical aerospace standards.

The STRESSVOYAGER® is a portable ultrasonic shot peening equipment for in-situ treatment of simple and complex geometry parts.

The STRESSOVYAGER® UNS allows straightening and forming operations in your workshop with a very high ease of use.

NOMAD, our portable ultrasonic impact treatment system is designed to treat on-site but also in manufacturing workshop.

The application of nanocrystallisation by ultrasonic shot peening can be related to two objectives (surface treatment and post-treatment).

Fatigue life improvement of bridge welds with ultrasonic impact treatment.