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Incomplete entering (IP) or lack of penetration (LOP) occurs when the weld metallike fails to penetrate the joint. It is one of the most unpleasant weld discontinuities. Lack of penetration allows a natural stress riser from which a fissure may propagate.

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Welding -

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Welding is a core action in the fabrication factory, undertaken by skilled, qualified operatives excavation to a attachment quality management system under the control of a Responsible attachment Coordinator. It is ill-used to prepare joints for union in the course and on site, and for the bond of other than fixtures and fittings. Different welding techniques are exploited for different activities within the fabrication factory.

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Nondestructivie Weld Examination

The ABC's of Nondestructive Weld introspection Reprinted courtesy of Welding book magazine An understanding of the benefits and drawbacks of each variety of nondestructive communication can help you choose the best method for your application. The philosophy that often guides the fabrication of welded assemblies and structures is "to assure weld quality." However, the word "weld quality" is relative. Generally, any weld is of corking character if it meets appearance requirements and will continue indefinitely to do the job for which it is intended. The first step in assuring weld dimension is to determine the degree requisite by the application.

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