GB/T 35465.2-2017 English PDF

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GB/T 35465.2-2017: Test method for fatigue properties of polymer matrix composite materials -- Part 2: Statistical analysis of linear or linearized stress-life (S-N) and strain-life (ε-N) fatigue data
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 35465.2-2017	279	Add to Cart	3 days	Test method for fatigue properties of polymer matrix composite materials -- Part 2: Statistical analysis of linear or linearized stress-life (S-N) and strain-life (ε-N) fatigue data	Valid

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Basic data

Standard ID: GB/T 35465.2-2017 (GB/T35465.2-2017)
Description (Translated English): Test method for fatigue properties of polymer matrix composite materials -- Part 2: Statistical analysis of linear or linearized stress-life (S-N) and strain-life (��-N) fatigue data
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q23
Classification of International Standard: 83.120
Word Count Estimation: 14,144
Date of Issue: 2017-12-29
Date of Implementation: 2018-11-01
Regulation (derived from): National Standards Bulletin 2017 No. 32
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 35465.2-2017: Test method for fatigue properties of polymer matrix composite materials -- Part 2: Statistical analysis of linear or linearized stress-life (S-N) and strain-life (ε-N) fatigue data

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Test method for fatigue properties of polymer matrix composite materials - Part 2. Statistical analysis of linear or linearized stress-life (SN) and strain-life (ε-N) fatigue data ICS 83.120 Q23 National Standards of People's Republic of China Test methods for fatigue properties of polymer matrix composites Part 2. Linear or linear stress life (SN) And fatigue life (ε-N) fatigue statistics Part 2.Statisticalanalysisoflinearorlinearized stress-life (SN) and strain-life (ε-N) fatiguedata 2017-12-29 Posted 2018-11-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

GB/T 35465 "polymer matrix composites fatigue properties test method" is divided into three parts. --- Part 1. General; --- Part 2. Statistical analysis of linear or linear fatigue life (SN) and strain life (ε-N) fatigue data; --- Part 3. La-pull fatigue. This section GB/T 35465 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This part is proposed by China Building Materials Federation. This part of the National Fiber Reinforced Plastics Standardization Technical Committee (SAC/TC39) centralized. This section is mainly responsible for the drafting unit. Beijing Glass Steel Institute Composite Materials Co., Ltd.. Participated in the drafting of this section. Xinjiang Gold Wind Technology Co., Ltd., Sinoma Wind Power Blade Co., Ltd., Ming Yang Wisdom can Source Group Co., Ltd., Taishan Fiberglass Co., Ltd., Shanghai FRP Institute Co., Ltd., Sichuan East New Materials Co., Ltd., Shandong Institute of Non-metallic Materials, Delaware Industrial Services (Shanghai) Co., Ltd. The main drafters of this section. Peng Xingcai, Li Xiaoming, Gao Keqiang, Wang Yanli, Liu Li-feng, Jiang Kan, Yang Dexu, Zhang Xu, Sun Lin, Sun Xiu-ping. Test methods for fatigue properties of polymer matrix composites Part 2. Linear or linear stress life (SN) And fatigue life (ε-N) fatigue statistics

1 Scope

GB/T 35465 provisions of this part of the linear or linear stress life (SN) and strain life (ε-N) statistical analysis of fatigue data The terms and definitions, SN and ε-N curve types, samples, statistical analysis. This section applies to a specific stress or strain interval stress life (SN) and strain life (ε-N) relationship is similar to a straight line Analysis. This section does not recommend the following two situations. a) SN and ε-N curves are extrapolated outside the test interval; b) Statistical analysis of fatigue life at a confidence level higher than 95% at a specific stress or strain amplitude.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 35465.1 polymer matrix composites fatigue properties test methods Part 1. General

3 Terms and definitions

GB/T 35465.1 defined and the following terms and definitions apply to this document. 3.1 Independentvariable Select and control variables in the SN or ε-N curve, stress or strain as an independent variable, with X said. 3.2 Dependentvariable In the SN curve, the logarithm of the fatigue life or fatigue life is dependent and is denoted by Y, as variables that change with independent variables. 3.3 Repeat trial replicatetests Under the same independent variables, similar samples were randomly selected and tested on different test equipment. 3.4 No fatigue fatigue runout Within the specified number of cycles test specimens failed. NOTE The data for unexplored fatigue, aborted testing, and near unexecuted fatigue are not applicable to this section of the statistical analysis. 4 SN and ε-N curve types 4.1 Shape of SN and ε-N Curves Depending on the material and test conditions, the relationship between linear and linear SN and ε-N is given in Eqs. (1), ......

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