What is ISO 4386-1- Pulse-echo test for metallic multilayer plain bearings about?
ISO 4386 is an International Standard that discusses plain bearings.
ISO 4386-1 is the first part of a multi-series that is applicable to metallic multilayer plain bearings and that specifies an ultrasonic testing method for determining bond defects between the bearing metal and the backing.
The test can be performed on metallic multilayer plain bearings consisting of steel- or copper-based material backings lined with bearing metal based on lead and tin, with layer thicknesses greater than or equal to 0,5 mm.
For cast iron backi...