welding definition and clasification
Welding
- obtaining one - piece compounds by establishing interatomic bonds between the joined parts when they are heated and (or) plastic deformation.
Metal welding
- the technological process of connecting the metal (s) with such heating and / or pressure, as a result of which the continuity of the structure of the connected metal (s) is obtained.
Notes
Can be used or not used filler metal , the melting point of which is of the same order as that of the base metal (s); the result of welding is a welded joint .
This definition also includes surfacing .
By the term: fusion welding ; pressure welding ; welded construction .
METAL WELDING CLASSIFICATION
"Welding of metals. Classification" , welding of metals are classified according to three main characteristics :
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