It has been reported that gas–tungsten arc welds of aluminum made in the overhead position (assumed lap weld joint) tend to have a significantly higher porosity level than those made in the flat position: a. Explain why b. Sketch the general view of the overhead position c. Indicate where the (most probable) location of the porosity

It has been reported that gas–tungsten arc welds of aluminum made in the overhead position (assumed lap weld joint) tend to have a significantly higher porosity level than those made in the flat position: a. Explain why b. Sketch the general view of the overhead position c. Indicate where the (most probable) location of the porosity

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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