1、4A388/A388M-199.Procedurethe part as a calibration standard to set the sensitivity for the9.1 General:test.The two surfaces(entry surface and the reflecting surface)9.1.1 As far as practicable,subject the entire volume of themust be parallel to each other.Place the transducer in an areaforging to ul
2、trasonic examination.Because of radii at changeof the forging,when possible,so that the geometry will notof sections and other local configurations,it may be impossiblehave an effect on the beam spread.Increase the gain to obtainto examine some sections of a forging.a 75 full screen height back refl
3、ection,increase the gain by010Dup to an additional 20 dB(10:1).If no indications are present4A388/A388M-199.Procedurethe part as a calibration standard to set the sensitivity for the9.1 General:test.The two surfaces(entry surface and the reflecting surface)9.1.1 As far as practicable,subject the ent
4、ire volume of themust be parallel to each other.Place the transducer in an areaforging to ultrasonic examination.Because of radii at changeof the forging,when possible,so that the geometry will notof sections and other local configurations,it may be impossiblehave an effect on the beam spread.Increase the gain to obtainto examine some sections of a forging.a 75 full screen height back reflection,increase the gain by010Dup to an additional 20 dB(10:1).If no indications are present
