CWA 18107-2-2024 欧洲疲劳试验方法第2部分：疲劳强度评估

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EUROPEAN COMMITTEE FOR STANDARDIZATION

COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

Ref. No.:CWA 18107-2:2024 E

CEN

WORKSHOP

GREEMENT

CWA 18107-2

May 2024

ICS 77.040.10

English version

Advanced fatigue testing methods - Part 2: Stiffness

method

This CEN Workshop Agreement has been drafted and approved by a Workshop of representatives of interested parties, the

constitution of which is indicated in the foreword of this Workshop Agreement.

The formal process followed by the Workshop in the development of this Workshop Agreement has been endorsed by the

National Members of CEN but neither the National Members of CEN nor the CEN-CENELEC Management Centre can be held

accountable for the technical content of this CEN Workshop Agreement or possible conflicts with standards or legislation.

This CEN Workshop Agreement can in no way be held as being an official standard developed by CEN and its Members.

This CEN Workshop Agreement is publicly available as a reference document from the CEN Members National Standard Bodies.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,

Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North

Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and United Kingdom.

CWA 18107-2:2024 (E)

Contents Page

European foreword ............................................................................................................................................ 3

Introduction .......................................................................................................................................................... 5

1 Scope .......................................................................................................................................................... 6

2 Normative references .......................................................................................................................... 6

3 Symbols and abbreviations ............................................................................................................... 6

3.1 Symbols .................................................................................................................................................... 6

3.2 Abbreviations ......................................................................................................................................... 7

4 Background ............................................................................................................................................. 7

4.1 Fatigue phenomenon in metallic alloys ........................................................................................ 7

5 Specimens ................................................................................................................................................ 8

6 Apparatus ................................................................................................................................................ 8

7 Procedure ................................................................................................................................................ 8

7.1 Endurance limit or fatigue limit assessment .............................................................................. 8

7.2 S-N curve assessment ........................................................................................................................ 11

8 Analysis of results ............................................................................................................................... 12

Bibliography ....................................................................................................................................................... 13

CWA 18107-2:2024 (E)

European foreword

This CEN Workshop Agreement (CWA 18107-2:2024) has been developed in accordance with the

CEN-CENELEC Guide 29 “CEN/CENELEC Workshop Agreements- A rapid way to standardization” and

with the relevant provisions of CEN/CENELEC Internal Regulations-Part 2. It was approved by a

Workshop of representatives of interested parties on 2024-02-14, the constitution of which was

supported by CEN following the public call for participation made on 2023-07-31. However, this CEN

Workshop Agreement does not necessarily include all relevant stakeholders.

The final text of CWA 18107-2:2024 was provided to CEN for publication on 2024-04-24.

Results incorporated in this CWA received funding from the European Union´s HORIZON 2020 research

and innovation programme under grant agreement number 952908.

The following organizations and individuals developed and approved this CEN Workshop Agreement:

— Sergio Jiménez (Chair) — Centro Internacional de Métodos Numéricos en la Ingeniería (CIMNE)

— Lucia G. Barbu — Centro Internacional de Métodos Numéricos en la Ingeniería (CIMNE)

— Alejandro Cornejo — Centro Internacional de Métodos Numéricos en la Ingeniería (CIMNE)

— Luis Antonio Gonçalves — Centro Internacional de Métodos Numéricos en la Ingeniería (CIMNE)

— Barbara Alcayde — Centro Internacional de Métodos Numéricos en la Ingeniería (CIMNE)

— Alireza T. Fard — Centro Internacional de Métodos Numéricos en la Ingeniería (CIMNE)

— Sergi Pareda — Fundació Eurecat (EURECAT)

— David Frómeta— Fundació Eurecat (EURECAT)

— Gustaf Gustafsson — Gestamp Hardtech AB

— Peter Bailey — Instron Division of ITW Limited (INSTRON)

— Magdalena Junitkka — Research Institutes of Sweden (RISE)

The European Committee for Standardization (CEN) draws attention to the fact that it is claimed that

compliance with this document may involve the use of a patent concerning the stiffness method for

fatigue testing given in this document and which is claimed to be relevant for the following clauses of it.

CEN takes no position concerning the evidence, validity and scope of this patent right.

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标签： #试验方法 #评估

摘要：

本文档标题为“CWA 18107-2-2024 欧洲疲劳试验方法第2部分：疲劳强度评估”，属于欧洲标准化组织（CEN）发布的最新技术规范。该标准专注于提供系统化的疲劳强度评估方法，适用于工程材料、结构件及机械部件在反复载荷作用下的耐久性分析。CWA 18107-2-2024作为系列标准的第二部分，重点阐述了基于试验数据的疲劳强度评定流程、关键参数计算以及结果判定的技术规范。区别于传统的经验公式，该标准强调了实际工况下的动态载荷谱与材料疲劳极限的匹配性，为汽车、航空航天、风电及重型机械等行业的产

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CWA 18107-2-2024 欧洲疲劳试验方法第2部分：疲劳强度评估

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