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The information about the standard:
Designation standards: SAE J379
Publication date standards: 1.2.2017
SKU: NS-675309
Country: American technical standard
Category: Technical standards SAE
Annotation of standard text SAE J379 :
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 
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