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SAE - J3231

Deflection Measurement for Friction Materials Using Segment Applicator

active, Most Current
Organization: SAE
Publication Date: 1 June 2022
Status: active
Page Count: 11
scope:

This SAE Recommend Practice specifies a method for measuring the deflection of friction materials and disc brake pad assemblies in a manner more consistent with classical material compressive strain testing.

This SAE test method differs from SAE J2468 in the preload and maximum load applied to the test sample when deflection is measured. It adopts the material applied stress levels found in ISO 6310 (0.5 to 8.0 MPa) using a 25 mm diameter flat plunger.

Document History

J3231
June 1, 2022
Deflection Measurement for Friction Materials Using Segment Applicator
This SAE Recommend Practice specifies a method for measuring the deflection of friction materials and disc brake pad assemblies in a manner more consistent with classical material compressive strain...

References

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