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2. Filler alloy
2.1 Alloy families
Filler alloys are the cornerstone of brazed assemblies. They meet all the requirements of the application in question, such as mechanical strength, corrosion resistance, electrical resistivity, visual appearance, color... But above all, their choice is dictated by their ability to form a metallurgical junction with the substrate.
There are therefore several families of brazing and soldering filler metals. The main families used in industry are listed in European and/or international standards (e.g. : NF A 81-362 , NF EN ISO 17672 ).
In soft soldering, we use gallium, bismuth,...
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Filler alloy
Heating systems
Bibliography
Standards and norms
- Welding, soldering, braze welding – Soldering, brazing and brazing filler metals – Classification, coding, reception. - NF A 81-362 - décembre 2013
- Welding and related techniques – Brazing ability – Definition and use of a variable clearance specimen. - NF A 89-410 - janvier 2017
- Essais destructifs des assemblages réalisés par brasage fort. - NF EN 12797 - septembre 2000
- Brazing – Filler metals....
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