Ultrasonic Inspection about Shear Wave for The Forked Roots of Turbine Blade

It introduces the practice and technology of ultrasonic inspection by shear ware for the forked turbine blade root,that belongs to 100 MW unit in the power plant.And it proves the accuracy and reliability of the method.It is more ideal method to inspect cracks in the turbine blade root that is easy to create cracks by shear wave.