Brazing, especially vacuum brazing, is a world champion in combining. A wide variety of materials and semi-finished products can be brazed together. This enables application-optimized material selection and/or cost-effective production of complex components.
Brazing offers completely new design freedom to the designer. These enable new or improved functions with high innovation content. The modular design of components leads to simplified manufacturing processes and cost savings.
The brazing process is often associated with low-melting solders of low strength and is therefore quickly banished from the design table. The fact is, however, that high-temperature solder joints often go far beyond the strength of the base material and are therefore used in highly stressed assemblies – often in combination with high operating temperatures.
Unlike other brazing methods, vacuum brazing does not require flux. This avoids defects in the joint zone, so that the achievable strengths can be in the range of the base material strength and components do not oxidize even at high brazing temperatures. It is therefore not necessary to remove the often corrosive flux residues after brazing.
Inert gas brazing is an alternative if vacuum is not suitable for the joining process. This is the case when components or solders consist of materials with high vapour pressure. Nitrogen is usually used as the inert gas, which is very inert and minimizes harmful oxidation. When hydrogen is used, very high-quality solder joints are produced thanks to the reducing effect.
In addition to joining two or more components, a soldering process is also suitable for coating surfaces, for example to improve wear resistance. For this purpose, special suspensions or solder mats are used to create layers with a high carbide content. An example of this is the BrazeCoat® process, which we carry out under license.
Assemblies that are to be suitable for brazing require special preparation. Therefore, involve us in the development process as early as possible and benefit from the extensive experience of our team. We will provide you with competent support and instruct you in the correct procedure.
Phone: +423 375 90 14
Mobile: +423 78 02 722
a.lecouturier@listemann.com
Phone: +423 375 90 12
Mobile: +423 78 05 401
t.bitschnau@listemann.com
Phone: +423 375 90 17
Mobile: +423 78 11 668
m.burtscher@listemann.com
Phone: +48 12 6534 231
Mobile: +48 501 65 22 26
j.brelinski@listemann.com
Our new check helps you to get a professional assessment of possible projects within our procedures about the feasibility in the shortest time. We inform you whether and how a realization becomes possible.
With our know-how you open up the problem-free entry into new technologies. Our materials expertise helps you to bring products with innovative material properties to market and thus strengthen your competitive position.
With our know-how you open up the problem-free entry into new technologies. Our materials expertise helps you to bring products with innovative material properties to market and thus strengthen your competitive position.
