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Laserstrahlauftragsschweißen mit amorphen Metallfolien

: Fux, V.; Nowotny, S.; Schwarz, W.

Schweißen und Schneiden 44 (1992), Nr.7, S.387-389
ISSN: 0036-7184
Fraunhofer IWS ()
amorphes Band; amorphous tape; Beschichtung; cladding; CO2-Laser; Verschleißschutz; wear protection

Amorphous metal foils represent a completely new type and form of build up welding material. By rapid cooling, highly alloyed materials are produced as flexible tapes with thicknesses up to 30 Mym. The essential condition for the amorphous structure is not only a high cooling rate but also the delay of the crystallization due to the composition of the alloy. The paper describes features of the foil development and technological problems of the cladding process. Special properties of the deposited protection layers in the mm range are discussed.