what is the thickness of the weld nugget assuming it has a uniform thickness?
what is the thickness of the weld nugget assuming it has a uniform thickness?
Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Larry Jeffus
Chapter10: Gas Metal Arc Welding Equipment, Setup, And Operation
Section: Chapter Questions
Problem 4R: In short-circuiting transfer, what type of current alloys the liquid metal at the electrode tip to...
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- An RSW operation is used to join two pieces of sheet steel having a unit melting energy of 8369.85 J/cm3. The sheet steel has a thickness of 0.3125 cm. The weld duration will be set at 0.25 sec with a current of 11,000 amp. Based on the electrode diameter, the weld nugget will have a diameter of 0.75 cm. Experience has shown that 40% of the supplied heat melts the nugget and the rest is dissipated by the metal. If the electrical resistance between the surfaces is 130 micro-ohms, what is the thickness of the weld nugget assuming it has a uniform thickness?
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