Ultrasonic defect detection test block for aluminum alloy paddle girder

The utility model provides a test block for ultrasonic defect detection of an aluminum alloy paddle girder, the test block is cut from a blank paddle girder, the section of the blank paddle girder is a closed O-shaped section, and the blank paddle girder has molded surfaces with different thicknesses and different curvature radiuses. And the manufacturing is simple, and artificial defect holes with different depths and diameters are processed on the girder by cutting part of the blade girder. 本实用新型提供一种用于铝合金桨叶大梁超声检测缺陷试块，所述试块从毛坯桨叶大梁截取，所述毛坯桨叶大梁的截面是封闭的"O"型截面，所述毛坯桨叶大梁具有不同厚度、不同曲率半径的型面。制作简单，只要截取部分桨叶大梁，在大梁上加工不同深度和直径的人工缺陷孔。