BS AU 142:1968

Superseded

View Superseded by

Methods of test for brake linings materials

Available format(s)

Hardcopy , PDF

Superseded date

31-07-2009

Language(s)

English

Published date

30-01-1968

Publisher

British Standards Institution

Foreword
Specification
1. Scope
2. Terms and definitions
3. Tests
4. Assessment of friction and wear for quality control
     purposes
5. Presentation of test data
Tables
1. Brinell hardness numbers. Scale A
2. Brinell hardness numbers. Scale B
3. Brinell hardness numbers. Scale C
Figures
1. Schematic diagram of typical friction materials
     test machine
2. Typical friction materials test drum
3. Standard drum heating curve, friction materials
     test machine
4. Standard drum cooling curve, friction materials
     test machine
5. Recommended master form plot sheet
6. Recommended master form log sheet

Explains methods for testing brake lining friction materials to determine certain physical and chemical properties. Includes density, hardness, crossbreaking strength, acetone extract, loss of weight by ignition and assessment of friction and wear.

Committee	AUE/15
DevelopmentNote	Reviewed and confirmed by BSI, November 2007. (10/2007)
DocumentType	Standard
Pages	20
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS ISO 6310:2009

BS 509-1:1971	Acetone for industrial use Specification
BS 509-2:1984	Acetone for industrial use Methods of test
BS 2071:1968	Specification for Soxhlet extractors
BS 891-1:1962	Method for Rockwell hardness test Testing of metals
BS 891-2:1964	Method for Rockwell hardness test Verification of the testing machine