ultrasonic impact treatment equipment
The ultrasonic impact treatment (UIT) is one of the newest and promising processes for fatigue life improvement of welded elements and structures . In most of industrial applications, this process is also known as ultrasonic peening (UP). The beneficial effect of UIT/UP is achieved mainly by relieving of harmful tensile residual stresses and introducing of compressive residual stresses into surface layers of materials, decreasing of stress concentration in weld toe zones and enhancement of mechanical properties of the surface layers of the material.
A number of research projects indicates that UIT method can increase the fatigue strength of steet welding joint by 60~180%, prolong fatigue life by 10~135 times. It also leads TiAl welding joint to increase fatigue strength by 26~48% and fatigue life by 5~54 times.
Shipping、Petrochemical、industry、Aerospace、Railway、Bridging、Offshore、Heavy Lifting & Cranes、Automotive、Wind turbines
include: crankshafts, gears, torsion bars, springs, valves, exhaust manifolds, blades, discs, turbines, compressors, marine rudders, axles, hammers and anvils, bicycle frames, landing gear, boat hulls, drill bits, and pipeline.
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