Plain bearings. Metallic multilayer plain bearings - Non-destructive ultrasonic testing of bond of thickness greater than or equal to 0,5 mmWhat is this standard about? This document 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 backings, this document is applicable with restrictions. The

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Appendix A describes a qualitative test and appendix B describes a more rapid method of test than the test described in the main text

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ISO/IEC 19788-7 is modularly structured with all subsequent parts corresponding to a specified set of user requirements for the identification