FRICTION WELDING JOINT OF A PLURALITY OF TWO-DIMENSIONAL COMPONENTS POSITIONED ON TOP OF EACH OTHER
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United States of America Patent
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app pub date -
Jun 16, 2009
filing date -
Jun 17, 2008
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Abstract
The invention relates to a friction welding joint of a plurality of two-dimensional components positioned on top of each other, which are held together by a connecting body which rests on the upper component by means of a collar and which, after penetrating the upper component by means of its end face as a friction welding surface, forms a friction welding zone on the lower component by means of the rotation and pressure of the connecting body. This combination includes the following features: a) An existing corrosion protection layer or corrosion layer is removed from the friction welding surface of the connecting body made of steel; b) The lower component is made of steel; c) the upper component is made of a material that is softer than that of the lower component.
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