What is Crater crack or star crack weld welds defect?

Crater crack, also known as star crack, is a weld defect characterized by the presence of cracks at the end of a weld crater. These cracks typically radiate outward from the crater, resembling the arms of a star, hence the name. Crater cracks can occur due to several factors, including rapid cooling of the weld crater, shrinkage stresses, and inadequate […]