Traditional Culture Encyclopedia - Traditional festivals - What is called friction welding a
What is called friction welding a
Friction welding is usually composed of the following four steps: 1, mechanical energy into thermal energy; 2, plastic deformation of the material; 3, thermoplastic forging pressure; 4, intermolecular diffusion and recrystallization.
The biggest difference between friction welding and traditional fusion welding is that throughout the welding process, the metal to be welded to obtain energy to reach the temperature does not reach its melting point, that is, the metal is in the thermoplastic state of the realization of the class of forging solid state connection.
Relative to the traditional fusion welding, friction welding has a high quality of welded joints - can achieve the strength of the weld and the base material strength, welding efficiency, quality and stability, consistency, and can realize the welding of dissimilar materials and so on.
Friction welding technology after long years of development, has developed many kinds of friction welding classification: including inertial friction welding, radial friction welding, linear friction welding, orbital friction welding, stirring friction welding and so on.
Definition of traditional friction welding: a method of pressure welding that utilizes the heat generated by mutual friction of the surfaces of the weldments to bring the end surfaces to a state of thermoplasticity, and then quickly top-forged to complete the welding.
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