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Projects / Programmes source: ARIS

Production of alsi12 braze filler metal for brazing of aluminium and its alloys

Research activity

Code Science Field Subfield
2.10.00  Engineering sciences and technologies  Manufacturing technologies and systems   

Code Science Field
T100  Technological sciences  History and philosophy of technology 
T130  Technological sciences  Production technology 
T150  Technological sciences  Material technology 
T450  Technological sciences  Metal technology, metallurgy, metal products 
Keywords
AlSi12, melt, cast block, chemical composition, microstructure, melting point, wire drawing, brazing
Evaluation (rules)
source: COBISS
Researchers (7)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  24460  Miloš Jovanović  Manufacturing technologies and systems  Researcher  2004 - 2007  42 
2.  04071  PhD Arpad Koveš  Manufacturing technologies and systems  Researcher  2004  164 
3.  00217  PhD Gabriel Janez Rihar  Manufacturing technologies and systems  Researcher  2004  230 
4.  09541  Marija Taučer  Manufacturing technologies and systems  Researcher  2004  10 
5.  15842  PhD Janko Tomc  Mechanical design  Researcher  2004  48 
6.  12074  PhD Miro Uran  Manufacturing technologies and systems  Researcher  2004  136 
7.  11182  PhD Borut Zorc  Manufacturing technologies and systems  Head  2004 - 2007  609 
Organisations (1)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0209  Welding Institute  Ljubljana  5051398000  1,335 
Abstract
The AlSi12 aluminium alloy is a most widely used brazing filler metal for brazing of aluminium wrought alloys. The composition of the brazing filler metal should be as close as possible to the eutectic point because a further brazing process does not permit any important deviations of the chemical composition due of a fast increase of the liquidus temperature of the brazing filler metal. The influence of the melt preparation (dilution with and without modification) and casting on the chemical composition, the microstructure, and the liquidus and solidus temperatures of the cast block in its cross section, in the longitudinal and transverse directions, will be investigated. The aim is to produce a cast block suitable as a whole for wire drawing or, when this is not possible, to determine its adequate applicable volume fraction to finally produce a brazing filler metal as a 1.2 mm wire. The influence of a modificator added to the alloy on the liquidus and solidus temperatures in remelting of the wire brazing filler metal produced during the brazing process is to be investigated. Then technological properties of the brazing filler metal and mechanical properties of the joint will be studied.
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