Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 6, Problem 14R
What is the purpose of postheating the metal after welding?
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Welding: Principles and Applications (MindTap Course List)
Ch. 6 - What is the first weld bead of a multiple pass...Ch. 6 - What is the purpose of using ceramic backup tapes...Ch. 6 - How can discontinuities in the root face be...Ch. 6 - Describe the motion of the electrode in keyhole...Ch. 6 - What is the purpose of placing an assembled test...Ch. 6 - If the key hole becomes smaller and smaller, what...Ch. 6 - What is the purpose of a hot pass?Ch. 6 - What are the best ways to remove slag between...Ch. 6 - What is the last weld bead on a multipass weld...Ch. 6 - What is the purpose of grooving a joint before...
Ch. 6 - After a weld is back gouged and a groove is...Ch. 6 - When stopping an SMA welding bead on a pipe, what...Ch. 6 - What is the purpose of preheating metal before it...Ch. 6 - What is the purpose of postheating the metal after...Ch. 6 - What is interpass temperature?Ch. 6 - The AWS Visual Inspection Criteria allows one...Ch. 6 - What is the difference between a transverse face...Ch. 6 - What changes can be made to successfully make a...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- What is a good indication that the molten weld pool is not being protected from oxidation?arrow_forwardWhat may happen if the GMA welding electrode is allowed to strike the base metal outside of the molten weld pool?arrow_forwardWhat is the purpose of grooving a joint before welding on thick plate?arrow_forward
- What protects the molten weld pool from oxidation during a gas weld?arrow_forwardWhat effect does shortening the electrode extension have on weld penetration?arrow_forwardWhat alloying element used in FCA welding electrodes causes the electrode to produce centerline cracks in the weld if it is used for multipass welds?arrow_forward
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