Właściwości złączy lutospawanych aluminium ze stalą

Abstract

Właściwości złączy lutospawanych aluminium ze stalą Properties of braze welded joints between aluminum and steel r in. Piotr iałucki, prof. dr ha. in. Andrzej Am roziak, dr in. Wiesław erlukiewicz, dr in. Artur Lange, mgr in. Michał lezman-Politechnika Wrocławska.

Braze welding of Dissimilar Materials

“…As a result, the spattering of the liquid metal is explosive in nature. The short circuits occur with high frequency (up to 100 Hz) and in an uncontrolled manner, where sizes and numbers of liquid metal drops are accidental [6].…”

“…4. Braze welded joint of copper tubes made using brazing brass LM63 (of the year 1920) [17] deformations, particularly in relation to thin elements [6,[8][9][10]. The above-named methods differ from conventional ones in the manner of intervention in current and arc voltage waveforms during short-circuit arc welding [7].…”

“…Usually, the filler metal is selected in relation to the less fusible base material. For instance, the braze welding of aluminium with galvanised steel is usually performed using silumin (Al-Si) filler metals and zinc (Zn-Al) filler metals [4,6,7], whereas the braze welding of copper with acid-resistant steel is usually performed using copper-based alloys such as silicon bronzes (Cu-Si) [8]. However, it is not always possible to perform the process without partially melting the edges nearer the lower fusible material, particular in terms of a low gradient between the melting point of the material and the melting point of the filler metal.…”