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Laser beam welding of additive manufactured components: Applicability of existing valuation regulations


Specialist Articles

Authors: Torsten Jokisch, Dr.-Ing. Sergej Gook, Dr. Angelina Marko, M. Sc. Ömer Üstündag, Dr.-Ing. Andrey Gumenyuk, Prof. Dr.-Ing. Michael Rethmeier

With additive manufacturing in the powder bed, the component size is limited by the installation space. Joint welding of additively manufactured parts offers a possibility to remove this size limitation. However, due to the specific stress and microstructure state in the additively built material, it is unclear to what extent existing evaluation rules of joint welding are also suitable for welds on additive components. This is investigated using laser beam welding of additively manufactured pipe joints. The welds are evaluated by means of visual inspection, metallographic examinations as well as computed tomography. The types of defects found are comparable to conventional components. This is an indicator that existing evaluation regulations also map the possible defects occurring for weld seams on additive components.
Pages: 109 - 113:
Issue 2 (2022) Page 109
Issue 2 (2022) Page 110
Issue 2 (2022) Page 111
Issue 2 (2022) Page 112
Issue 2 (2022) Page 113

This article appeared in issue 2 (2022).

Issue 2 (2022)
Welding and Cutting
Issue 2 (2022)
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