SAE J2725_202304 PDF
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Road Vehicles – Friction Materials – Elastic Properties Measurements
SAE International , 04/21/2023
File Format: PDF
SAE J2725_202304 PDF
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.
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