Väävalu

Väävalu is a Finnish term that translates to "miscasting" or "faulty casting." It refers to the process of creating a metal object by pouring molten metal into a mold, where the resulting object is flawed due to defects in the casting process. These defects can manifest in various ways, affecting the strength, appearance, or functionality of the final product.

Common causes of väävalu include issues with the mold itself, such as improper preparation, damage, or incorrect material. The molten metal can also be a source of problems, if it is not of the correct composition, temperature, or purity. Factors during the pouring process, such as insufficient filling of the mold, the presence of gases or impurities, or improper cooling rates, can also lead to väävalu.

The consequences of väävalu can range from minor cosmetic imperfections to critical structural failures. Depending on the intended use of the cast object, such defects might render it unusable, requiring rework or complete scrapping. In industrial settings, identifying and preventing väävalu is crucial for ensuring product quality and safety, especially in applications where the cast component bears significant stress or is part of a complex assembly. Understanding the underlying causes allows for adjustments in the casting procedure to achieve a sound and defect-free outcome.