= Faying surface
{wiki=Faying_surface}
The term "faying surface" refers to the interface or surfaces where two separate parts or materials come into contact or are joined. It is often used in the context of welding, bonding, or fastening in engineering and manufacturing. The quality of the faying surface can significantly affect the performance of the joint, as it determines how well the two materials adhere to each other. In welding, for example, the faying surfaces must be clean and properly prepared to ensure a strong weld.
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