This standard specifies the test method for measuring residual stress by ultrasonic critical refracted longitudinal wave (creeping wave).
This standard is applicable to metallic and non-metallic solid materials which have a good acoustic permeability to determine residual or loading stresses non-destructively.
定价: 456元 / 折扣价: 388 元 加购物车
This standard specifies the terms and definitions,personnel qualifications, test methods, test equipment,test conditions, test requirements and preparation of test report for measuring coating bond strength by ultrasonic wave.
This standard is applicable to the non-destructive testing of the coating bond strength composed of metal and non-metal materials with sound permeability of coatings, substrates and bonding layers, including adhesion, sintering, chemical and metallic bonding.
定价: 516元 / 折扣价: 439 元 加购物车