GB/T 45159.5-2025 English PDF

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GB/T 45159.5-2025: Mechanical vibratin and shock - Characterizatin of the dynamic mechanical properties of visco-elastic materials - Part 5: Poisson ratio based on comparison between measurements and finite element analysis
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 45159.5-2025	364	Add to Cart	4 days	Mechanical vibratin and shock - Characterizatin of the dynamic mechanical properties of visco-elastic materials - Part 5: Poisson ratio based on comparison between measurements and finite element analysis	Valid

Basic data

Standard ID: GB/T 45159.5-2025 (GB/T45159.5-2025)
Description (Translated English): Mechanical vibratin and shock - Characterizatin of the dynamic mechanical properties of visco-elastic materials - Part 5: Poisson ratio based on comparison between measurements and finite element analysis
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z32
Classification of International Standard: 17.160
Word Count Estimation: 18,177
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 45159.5-2025: Mechanical vibratin and shock - Characterizatin of the dynamic mechanical properties of visco-elastic materials - Part 5: Poisson ratio based on comparison between measurements and finite element analysis

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT45159.5-2025
ICS 17.160 CCSZ32 National Standard of the People's Republic of China Mechanical vibration and shock Dynamic mechanics of viscoelastic materials Characterization of performance Part 5.Based on measurements and limited Poisson's ratio for meta-analytic comparisons propertiesofvisco-elasticmaterials-Part 5.Poissonratiobasedon (ISO 18437-5.2011, 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 2 4 Measurement Principle 3 5 Single sample measurement method 3 5.1 Overview 3 5.2 Basic Theory 3 5.3 Sample geometry and frequency range 6 5.4 Stiffness Measurement 6 5.5 Data Collection 7 6 Two-sample measurement method 7 6.1 Overview 7 6.2 Basic Theory 7 6.3 Determination of Poisson's ratio 8 6.4 Specimen geometry and frequency range 8 7 Test Equipment 9 8 Sample preparation and installation 10 9 Sample conditioning 10 10 Main sources of uncertainty10 11 Time and temperature superposition 10 Appendix A (Informative) Linear Characteristics of Resilient Materials 11 Reference 12 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 5 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 18437-5.2011 "Mechanical vibration and shock - Characterization of dynamic mechanical properties of viscoelastic materials - Part 5 Poisson's ratio based on comparison of measurement and finite element analysis. 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 Materials Research Institute Co., Ltd., Tongji University, Shenda (Shanghai) Technology Co., Ltd., CRRC Tangshan Locomotive Co., Ltd. Co., Ltd., China Electric Power Research Institute Co., Ltd., China Railway Design Group Co., Ltd., Southwest Jiaotong University, East China Jiaotong University School, Zhejiang Tiantie Industrial Co., Ltd., and Shanghai Puxin Technology Co., Ltd. The main drafters of this document are. Liu Yan, Lei Zhenyu, Yuan Xianpu, Zhang Xiaojun, Nie Jingkai, Zhang Mingcheng, Xie Xiaolong, Zhang Peng, Xu Bin, Han Tieli, He Qiang, Tan Dazheng, Li Qiutong, Zhang Bin, Wang Shuwei, Wei Kai, Wang Bo, 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 performance Part 5.Based on measurements and limited Poisson's ratio for meta-analytic comparisons 1 Scope This document describes two methods for estimating the Poisson's ratio and/or elastic modulus of isotropic viscoelastic or poroelastic materials. Linear finite element method (FEM) computational models or other numerical methods for vibration or acoustic problems of viscoelastic structures with complex geometries. This method is based on the comparison of the measurement results with the finite element analysis results, and the load-displacement or stiffness of the disk specimen fixed at the upper and lower ends is calculated. The measurement results of the characteristics are compared with the finite element analysis results of the same working conditions as a function of Poisson's ratio. The choice of method depends on whether the target parameter to be measured is only Poisson's ratio or Poisson's ratio and elastic modulus. It is considered incompressible and exhibits nonlinear behavior, especially when large static deformations occur. Many commercial software can be used to solve this problem. However, this paper only considers the small deformation behavior in typical vibration problems, so the linear finite element model is sufficient. It can meet the accuracy requirements and is more convenient. For the purpose of this document, the term "dynamic mechanical properties" refers to the determination of basic elastic properties, such as the complex Young's modulus, as a function of temperature and frequency. quantity and Poisson's ratio. This document applies to isotropic resilient materials commonly used in vibration isolator designs to reduce. a) The transmission of audible frequency vibration to the structure and the induced fluid radiated sound (air noise, structure-borne radiated sound, etc.); b) The impact that low-frequency vibration may have on the human body, or the damage that severe low-frequency vibration may cause to structures and equipment. The measurement methods and data collection and analysis methods specified in this document and ISO 18437-2 to ISO 18437-4 can be used for. ---Design of vibration isolators; ---Selection of optimal resilience material; --- Theoretical calculation of vibration transmissibility of vibration isolators; ---Information required for product development; ---Product information provided by manufacturers and suppliers; ---Product quality control. 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 472 Plastics—Vocabulary Note. GB/T 2035-2024 Plastics Terminology (ISO 472.2013, NEQ) ring-Vocabulary) Note. GB/T 2298-2010 Mechanical vibration, shock and condition monitoring vocabulary (ISO 2041.2009, IDT) ISO 4664-1 Rubber, vulcanized or thermoplastic — Determination of dynamic properties — Part 1.General guidance Note. GB/T 9870.1-2006 Rubber, vulcanized or thermoplastic — Determination of dynamic properties — Part 1.General principles (ISO 4664-1.2005, IDT) ......

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