The United Engine Corporation (UEC) in its Telegram channel has for the first time shown the process of rotary friction welding. Heating is carried out in a thin surface layer of materials.
The high temperature required for welding is generated by the friction of surfaces under the action of rotation of one of the parts and simultaneous compression force.
The footage shows how the most plastic parts of the metal being processed are squeezed out of the joint of the parts during rotation. The moment of welding occurs after the rotation stops, when an additional compression force is applied to the part.
The technology allows welding dissimilar materials, including those that cannot be joined by traditional fusion welding.
The method of rotary and linear friction welding are critical technologies in modern engine building. Friction welding technologies reduce the weight and increase the service life of aircraft engines without reducing the strength of welded joints.
Earlier www1.ru reported that new Russian flying wing aircraft will be 20% more economical than traditional airliners.
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