Research on Phased Array Ultrasonic Testing Technology for 06Ni9 Steel Butt Joint
The author has prepared comparative and simulated defect test coupons for the butt joint of 06Ni9 steel of a certain LNG tank project using the same base material,welding materials,and welding process.The author has conducted phase-array ultrasonic testing research on the butt joint of 06Ni9 steel and summarized the research results.