IS 16478 : Part 2 : 2024/ISO 4386-2 : 2019 Plain Bearings - Metallic Multilayer Plain Bearings - Part 2 Destructive Testing of Bond for Bearing Metal Layer Thicknesses Greater than or Equal to 2 mm
NATIONAL FOREWORD
This Indian Standard (Part 2) (First Revision) which is identical to ISO 4386-2 : 2019 'Plain bearings - Metallic multilayer plain bearings - Part 1: Destructive testing of bond for bearing metal layer thicknesses greater than or equal to 2 mm' issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on the recommendation of the Bearing Sectional Committee and approval of the Production and General Engineering Division Council.
This standard was first published in 2019. In this revision of this standard has been undertaken to align it with the current version of ISO 4386-2.
The major changes incorporated in this revision are:
a) A new clause on terms and definitions has been added;
b) The test apparatus has been modified to reduce the negative local bending stress influence on the specimen;
c) The geometry of the test specimen has been modified to avoid negative influence due to tolerances;
d) A description of the specimen machining sequence has been added to get a more uniform specimen; and
e) A subclause on the application for quality control has been added.
This standard has been published in three parts. The other parts in this series are:
Part 1 Non-destructive ultrasonic testing of bond of thickness greater than or equal to 0.5 mm
Part 3 Non-destructive penetrant testing
The text of ISO Standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following:
a) Wherever the words 'International Standard' appear referring to this standard, they should be read as 'Indian Standard'; and
b) Comma (,) has been used as a decimal marker while in Indian Standards, the current practice is to use a point (.) as the decimal marker.