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Mechanical vibration and shock - Characterization of the dynamic mechanical properties of visco-elastic materials - Part 6: Time-temperature superposition
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GB/T 45159.6-2025
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Basic data | Standard ID | GB/T 45159.6-2025 (GB/T45159.6-2025) | | Description (Translated English) | Mechanical vibration and shock - Characterization of the dynamic mechanical properties of visco-elastic materials - Part 6: Time-temperature superposition | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Z32 | | Classification of International Standard | 17.160 | | Word Count Estimation | 26,215 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2025-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 45159.6-2025: Mechanical vibration and shock - Characterization of the dynamic mechanical properties of visco-elastic materials - Part 6: Time-temperature superposition
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ICS 17.160
CCSZ32
National Standard of the People's Republic of China
Mechanical vibration and shock Dynamic mechanics of viscoelastic materials
Characterization of properties Part 6.Time-temperature superposition
(ISO 18437-6.2017, IDT)
Released on August 1, 2025
Implementation on November 1, 2025
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Complete viscoelastic property prediction and data description 2
4.1 Time-Temperature Superposition (TTS) Principle 2
4.2 Data Collection 3
4.3 Shift 4
5 Verification 5
6 Main sources of uncertainty 5
6.1 General Principles 5
6.2 Narrow (Isothermal) Segments in the Overlapping Region 5
6.3 There is a large experimental error (more than 10%) in the line segment 5
6.4 Line segments with low-density experimental data points 5
6.5 Improper arrangement of input data - "end effects" exist in line segments 5
6.6 Selection of reference temperature 5
7 Results and Treatment 6
7.1 Data Presentation 6
7.2 Test Report 6
Appendix A (Informative) Closure Shift (CFS) Method 7
A.1 Vertical Shift 7
A.2 Horizontal shift of two line segments 7
A.3 Main curve of 3 or more line segments 9
Appendix B (Informative) Storage Modulus Master Curve Construction Example 11
Appendix C (Informative) Computer-Interpretable List 19
Reference 20
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is Part 6 of GB/T 45159 “Characterization of dynamic mechanical properties of viscoelastic materials subject to mechanical vibration and shock”.
GB/T 45159 has published the following parts.
--- Part 1.Principles and guidelines;
--- Part 2.Resonance method;
--- Part 3.Cantilever shear beam method;
--- Part 4.Dynamic stiffness method;
--- Part 5.Poisson's ratio based on comparison of measurement and finite element analysis;
--- Part 6.Time-temperature superposition.
This document is equivalent to ISO 18437-6.2017 "Mechanical vibration and shock - Characterization of dynamic mechanical properties of viscoelastic materials - Part 6
Division. Time-temperature superposition.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee for Standardization of Mechanical Vibration, Shock and Condition Monitoring (SAC/TC53).
This document was drafted by. Shanghai Institute of Materials Co., Ltd., Southwest Jiaotong University, China Electric Power Research Institute Co., Ltd., CRRC Tangshan
Shan Locomotive and Rolling Stock Co., Ltd., Shenda (Shanghai) Technology Co., Ltd., China Railway Design Group Co., Ltd., East China Jiaotong University, Zhejiang Tiantie
Industrial Co., Ltd., Shanghai Puxin Technology Co., Ltd.
The main drafters of this document are. Liu Yan, Wei Kai, Yuan Xianpu, Wang Bo, Nie Jingkai, Zhang Shaodong, Zhang Mingcheng, Xie Xiaolong, Xu Bin, Wang Xingmin, He Qiang,
Tan Dazheng, Li Qiutong, Zhang Bin, Wang Shuwei, Zhao Xinli, and Pang Jinxiang.
introduction
GB/T 45159 provides three methods for measuring the elastic modulus and loss factor of viscoelastic materials, and two methods for measuring Poisson's ratio.
The operating principle, measuring device, measurement and data analysis of the method are presented, thus providing a measurement method for characterizing the dynamic mechanical properties of viscoelastic materials.
It consists of 6 parts.
--- Part 1.Principles and guidance. The purpose is to describe three methods for measuring the elastic modulus and loss factor of viscoelastic materials, and
Two methods for measuring Poisson's ratio are presented, along with the test setup, measurement range, and limitations of each method.
--- Part 2.Resonance method. The purpose is to describe the technical requirements for the resonance method to test the dynamic mechanical properties of viscoelastic materials.
--- Part 3.Cantilever shear beam method. The purpose is to describe the cantilever shear beam method for testing the dynamic mechanical properties of viscoelastic materials.
Technical regulations.
--- Part 4.Dynamic stiffness method. The purpose is to describe the technical requirements for the dynamic mechanical properties characterization of viscoelastic materials using the dynamic stiffness method.
--- Part 5.Poisson's ratio based on comparison of measurement and finite element analysis. The purpose is to describe the Poisson's ratio based on comparison of measurement and finite element analysis.
Poisson's ratio test is a technical provision for characterizing the dynamic mechanical properties of viscoelastic materials.
--- Part 6.Time-temperature superposition. The purpose is to describe the technical requirements for characterizing the dynamic mechanical properties of viscoelastic materials using time-temperature superposition tests.
Mechanical vibration and shock Dynamic mechanics of viscoelastic materials
Characterization of properties Part 6.Time-temperature superposition
1 Scope
This document describes the use of GB/T 45159.1~GB/T 45159.5, ISO 6721-4~ISO 6721-7, and ISO 6721-12.
measurement methods and data collection and analysis methods.
This document applies to viscoelastic materials whose thermorheological properties are simple and for which the equilibrium state has been tested at each temperature.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
ISO 18437-1 Mechanical vibration and shock — Characterization of the dynamic mechanical properties of viscoelastic materials — Part 1.Principles and guidance (Me-
Note. GB/T 45159.1-2025 Mechanical vibration and shock - Characterization of dynamic mechanical properties of viscoelastic materials - Part 1.Principles and guidance
(ISO 18437-1.2012, IDT)
3 Terms and Definitions
For the purposes of this document, the terms and definitions defined in ISO 18437-1 and the following apply.
3.1
dynamic viscoelastic function dynamicvisco-elasticfunction
Basic viscoelastic properties, namely storage modulus and loss modulus measured in tension, shear and compression, as well as as a function of frequency and temperature
loss factor.
3.2
Storage modulus storage modulus
M'
Real part of the complex modulus.
Note 1 to entry. A measure of the energy stored and recovered during cyclic loading.
Note 2.The storage moduli of tension, shear and compression are expressed as E', G' and K' respectively.
Note 3.The unit is Pascal (Pa).
[Source. ISO 472.2013[1], 2.998]
3.3
Loss modulus lossmodulus
M″
Imaginary part of the complex modulus.
Note 1 to entry. A measure of energy lost (dissipated) during cyclic loading.
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GB/T 45159.6-2025: Mechanical vibration and shock - Characterization of the dynamic mechanical properties of visco-elastic materials - Part 6: Time-temperature superposition
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