Damping Coefficient Testing service-Loss factor- Shanghai Jituo Material Technology
Shanghai Jituo provides testing and analysis services for damping coefficient and loss factor performance.
Related Definitions
Damping Coefficient: An important index to measure the vibration damping performance of damping materials, and also the main basis for selecting damping materials in engineering.
Loss Factor: The tangent of the phase difference angle between strain and stress in viscoelastic materials under alternating force fields, and also equal to the ratio of the material's loss modulus to storage modulus. Expressed as tanδ.
Testing Methods
Thermomechanical analysis (for solids)
Rotational rheometer (for fluids)
Instrument Technical Parameters
Temperature range: -100～450℃
Precision: ±0.01
Testing Cases
测试实例
Reference Standards
GB/T 18258-2000 Test Methods for Damping Performance of Damping Materials
GB/T 5654-2007 Liquid Insulating Materials - Measurement of Relative Permittivity, Dielectric Loss Factor and DC Resistivity
GB/T 21216-2007 Insulating Liquids - Test Methods for the Determination of Dielectric Loss Factor by Measuring Conductance and Capacitance
GB/T 34665-2017 Method for Measuring Dielectric Loss Factor of Motor Coil/Winding Insulation (Industry Standard)
DL/T 474.3-2006 Guide for Field Insulation Test Implementation - Part 3: Dielectric Loss Factor tanδ Test
DL/T 1154-2012 Guide for Dielectric Loss Factor Test of High-Voltage Electrical Equipment at Rated Voltage
JB/T 10181.12-2014 *Calculation of Cable Current Carrying Capacity
FORD FLTM EU-BV 060-2-2001 Measurement of Damping Coefficient for Sound Insulation Materials
AS 1937.10:1977 Test Methods for Automotive Sealants and Adhesives - Determination of Damping Coefficient by Slab Method
ASA S2.9-2008 (R2023) *American National Standard Parameters for Specifying Material Damping Characteristics and S
