Saldflux - Brazing

When there are large inequalities between the sizes of the components composing the joint some- times occurs a joint failure re- sulting from thermally inducted stress. Perhaps the best known example of this probelm is when large pieces of tungsten carbide are brazed to steel backing pieces.

Braze filler composites that have a core of copper with a coating of filler metal on both surfaces (1:2:1) are frequently used to reduce the risk of crack- ing (sandwiched or trifoil material).

Name Composition SF Melting
point °C
temperature °C
TERNALLOY 49 TR 49 27,5 20,5 2,5 0,5 SF-W4490CU c.a. 670 - 690 °C c.a. 690° C
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