Active standard | Published: 01/02/2017

SAE J379

Gogan Hardness of Brake Lining

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: SAE J379

Publication date: 01/02/2017

Pages: 0

Country: American technical standard

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Anotation

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.

SUBJECT TAXONOMY: Braking systems, Brake linings, Quality control, Tests and Testing, Non-destructive tests
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard

Stabilized: Feb 2017 SAE - Standards Status Definitions