Gogan Hardness of Brake Lining(STABILIZED Feb 2017)

Standard:
Stabilized:
  • 2017-02-02
 
  • CURRENT
Publisher:
  • SAE International
Pages:
6
Scope:

Hardness measurements are used as a quality control check of the consistency of formulation and processing of brake linings. Gogan hardness is nondestructive (the penetrator causes shallow surface deformation.). Gogan hardness method alone does not show anything about a lining’s ability to develop friction or to resist fade when used as a friction element in brakes.

The hardness and the range of hardness are peculiar to each formulation, thickness, and contour; therefore, the acceptable values and ranges must be established for each formulation and part configuration by the manufacturer.

Rationale:

This technical report is being Stabilized because it covers technology, products, or processes which are mature and not likely to change in the foreseeable future.

History:
Standard Published Revision Status
J379_201702 2017-02-02 Latest Stabilized
2009-08-26 Historical Reaffirmed
2004-08-16 Historical Revised
1996-03-01 Historical Reaffirmed
1972-05-01 Historical Revised
1969-01-01 Historical Issued
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