SAE J2725_201709

Road Vehicles - Friction Materials - Elastic Properties Measurements

SAE International , 09/29/2017

Publisher: SAE

File Format: PDF

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Description

Standard By:SAE International , 09/29/2017

Published:09/29/2017

Pages:28

File Size:1 file , 1.1 MB

Language:English

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SAE J2725_201709 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.