heating, holding and cooling
what is solution annealing?
Solution annealing is a special annealing process that is mainly used for austenitic steels. It serves both to hold constituents in a solid solution and to remove tension.
Like annealing in general, solution annealing consists of 3 phases: heating, holding and cooling. In the case of ferrous materials, the solution temperature is in the range from 950 to 1,200°C. In contrast, the temperature during solution annealing of non-ferrous metals is significantly lower. It is between 460 and 540 ° C. After heating and holding, the material is cooled particularly quickly to room temperature during solution heat treatment. This process takes place using a special cooling gas. Depending on the material and the desired result, the cooling time can vary slightly.
fields of application
Because due to the solution annealing, homogeneous material and structural properties can be achieved. Solution annealing is therefore often used as an intermediate treatment. In addition, solution heat treatment is used exclusively to improve the properties of solid solution strengthened alloys.
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