AL85PLUS


A new technique to thermally join aluminium and its alloys!

TÜV approved !          Made in Germany !

Advantages:


• Low working temperature – thus only the slightest or no deformation at all to the work piece
• Diffusion at a temperature above 420 °C
• Easy separation of the parts by reheating to 380 °C
• Joining of different alloys and materials of different thickness
• A seam up to 15 meters long can be produced from one meter of AL85PLUS wire (2.5mm)
• High joint strength (85 N/mm²)
• Use of various heat sources such as laser, hot air, butane, propane, induction heating, etc.
• No special training or special tools are required
• Low purchase and handling costs
• No toxic waste – no waste disposal costs
• Free of lead and cadmium

 Instructions for use of AL85PLUS:

Fix and warm up the work piece to a working temperature of 380 °C. Use the 
AL85PLUSwire to
check if this temperature has been reached on the work piece. Apply the 
AL85PLUSwire to the
joint as soon as it becomes liquid. Keep the wire liquid by a continuous heat supply during
the procedure. Now penetrate the oxide layer of the work piece with a pointed object
(screw driver, scriber, etc.) by moving it two or three times through the molten metal seam.
The oxide layer can be penetrated with ultrasound or laser in serial production. Continue to
apply heat to the work piece to initiate diffusion. The molten metal starts to diffuse through
the oxide layer at a temperature of approximately 420 °C.
Let the work piece cool down slowly after joining.


 
Fields of application:

Joining of aluminium, aluminium alloys and castings as well as zinc-aluminium
• Suitable for repairs, can be drilled, milled, turned or threaded
• Joining of a variety of different aluminium alloys
• Joining of materials of different thickness
• Filling of fissures in aluminium
• Cars, motorcycles, leisure, hobby, sports, technology, household and industrial use
 

Technical data:
Tensile strength:            up to 85 Newton/mm²
Hardness:                       Rockwell B 55-62
Thermal expansion:        0 - 6 % (depending on cooling state)
Working temperature:    380 °C

 
Possible mistakes:
Temperature too low.
The oxide layer was not penetrated.


Important information                                           Melting point
Pure aluminium                                                     660º C
Non-hardening aluminium alloys                             640-655º C
Hardening aluminium alloys                                   520-655º C
AL85PLUS                                                             380º C
Aluminium oxide                                                   2050º C
Aluminium oxide becomes brittle at approx.           300º C
Diffusion starts at approx.                                     420º C
Thermal resistance of joined parts up to max.        240º C
Tempering (annealing) of the material in a furnace at approx.     240º C


Usage:
Penetrate the oxide layer of the molten 
AL85PLUS. Surfaces treated with AL85PLUS
are often harder than the base metal (aluminium).