Solder Void Defect Rate
The solder void defect rate indicates the percentage of the total volume of a brazed joint that is empty or not fully filled. High rates can impair load-bearing capacity and behavior under mechanical stress.
Physikalisch-chemischer Wirkmechanismus
The braze void rate refers to the percentage of gas pockets or unfilled areas in the braze joint volume. These voids form when metal ions and gases don't diffuse enough during brazing, leaving the joint less dense.
Metallurgical Relevance & Welding Risks
High braze void rates can seriously cut the thermal and mechanical load capacity of the braze joint. Voids can become fracture points under load, cause poor heat transfer, and reduce the overall material integrity. They can also lead to corrosion and shorten the joint's life.
Werkstattpraxis & Handlungsanweisungen
To lower the braze void rate, make sure the brazing process is right. That means picking the right filler metal and brazing method, and prepping the surfaces carefully. Keep temperature and time within spec to get a uniform joint. For complex joints, diffusion enhancers or vacuum brazing can help.