|
|
|
|
|
Christian Diegel, Thorsten Mattulat, Klaus Schricker, Leander Schmidt, Thomas Seefeld, Jean Pierre Bergmann and Peer Woizeschke
Background. Spatter formation at melt pool swellings at the keyhole rear wall is a major issue for laser deep penetration welding at speeds beyond 8 m/min. A gas nozzle directed towards the keyhole, that supplies shielding gas locally, is advantageous in...
ver más
|
|
|
|
|
|
|
|
|
Haiyan Xing, Cheng Xu, Ming Yi, Shenrou Gao and Weinan Liu
Metal magnetic memory (MMM) is a nondestructive testing technology based on the magnetomechanical effect, which is widely used in the qualitative detection of stress concentration zones for welded joints. However, there is inevitable residual stress afte...
ver más
|
|
|
|
|
|
|
|
|
Dongpil Cho, Seongkil Nam, Chulho Cho, Dajung Lee, Eunyoung Jeong, Youngcheon Jeong, Jaeyik Lee, Marcus Cridland, Bongjin Kim, Kwangsoo Kim, Jihoon Kim and Myunghyun Kim
Tandem SAW (Submerged Arc Welding) is one welding process that has been applied to maximize the welding productivity at the panel stage in ship building field. The weld bead profiles produced by Tandem SA welding exceed the acceptance criteria specified ...
ver más
|
|
|
|
|
|
|
|
|
Bishal Silwal, Niraj Pudasaini, Sougata Roy, Anthony B. Murphy, Andrzej Nycz and Mark W. Noakes
Wire arc additive manufacturing (WAAM) is the process by which large, metallic structures are built, layer-by-layer, using a welding arc to melt wire feedstock. In this process, the proper selection of the shielding gas plays a vital role in the achievem...
ver más
|
|
|
|
|
|
|
|
|
Dmitrii Sidelev, Sergey Ruchkin and Egor Kashkarov
The resistance upset welds (RUW) made from E110 alloy without and with Cr coatings were oxidized in air atmosphere at 1100 °C for 2, 10 and 30 min. The cross-section microstructure, elemental composition and hardness were studied before and after oxidati...
ver más
|
|
|
|