Road Vehicles - Friction Materials - Elastic Properties Measurements

Standard:
Revised:
  • 2017-09-29
 
  • CURRENT
Publisher:
  • SAE International
Pages:
28
Scope:

This SAE Standard specifies a method for testing and measuring elastic constants in friction materials by precise ultrasonic velocity measurements. Measurement methods are also described for measurement of the out-of-plane modulus as a function of pre-load as well as the measurement of engineering constants as a function of temperature. Finally, methods are formulated to produce all engineering constants as a function of pre-load and temperature.

Rationale:

This SAE Standard specifies a method for testing and measuring elastic constants in friction materials by precise ultrasonic velocity measurements. This specification has been modified to include the measurement of the out-of-plane modulus as a function of pre-load as well as the measurement of engineering constants as a function of temperature. Finally, methods are formulated to produce all engineering constants as a function of pre-load and temperature.

History:
Standard Published Revision Status
J2725_201709 2017-09-29 Latest Revised
2009-01-20 Historical Issued
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