Solidus-liquidus interval
Solidus-liquidus interval is the temperature range within which both liquid and solid phases of an alloy coexist. This range influences the melting behavior and the microstructure of the material.
Physikalisch-chemischer Wirkmechanismus
In the solidus-liquidus interval, an alloy that was previously solid starts to melt gradually. The temperature rises until all crystals are fully liquid. This range is characterized by phase transitions and depends on the alloy composition.
Metallurgical Relevance & Welding Risks
Improper handling during the solidus-liquidus interval can lead to phase defects, such as incomplete melting or fine grains in the structure. This increases susceptibility to cracking and reduces material toughness.
Werkstattpraxis & Handlungsanweisungen
When welding, it's important to make sure the temperature in the weld stays within the solidus-liquidus interval. This can be achieved through proper heat treatment and appropriate melting speed. Be especially careful with finely structured alloys to avoid phase defects.