Road Vehicles--Friction Materials--Elastic Properties Measurements

Standard:
Scope:

This SAE Standard specifies a method for testing and measuring elastic constants in friction materials by precise ultrasonic velocity measurements.

Rationale:

The measurement of the engineering constants at ambient temperature is well described by the current test procedure; however, there are some minor changes needed to update the document. More importantly for many applications, elastic property measurements as a function of pre-load and temperature are needed for NVH models. We propose adding procedures for measuring these dependencies.

AKA:
  • SAE J 2725
Sector:
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