ISO 148-1 2016 金属材料 夏比摆锤冲击试验 第1部分 测试方法(英文版).pdf

148,2016,ISO,夏比,摆锤,国外及港澳台标准
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INTERNATIONAL STANDARD

Metallicmaterials-Charpy pendulumimpacttest-

Part 1:Testmethod

Materiaux metalliques - Essai de flexion par choc sur eprouvetteCharpy-Partie 1: Methode d'essai

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@ ISO 2016 Published in Switzerland

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Contents

Page

3.1 3.2 Definitions pertaining to energy. Definitions pertaining to test piece. 1 2

Test pieces.6.1 6.2 Notch geometry. General. 3 46.2.1 6.2.2 V-notch. U-notch. 4 49 Tolerance of the test pieces. Preparation of the test pieces.. 46.4 6.5 Marking of the test pieces. 4 4

Test equipment. 4

7.1 7.2 General. Installation and verification 4 57.3 Striker. 5

8 Test procedure. 5

8.1 General. 58.2 Friction measurement. Test temperature. 58.4 8.3 Specimen transfer 6 78.5 8.6 Exceeding machine capacity. Inplete fracture. 7 78.7 Post-fracture inspection.. Test piece jamming 88.8 8

Test report.9.1 Mandatory information 89.2 Optional information.. 8

Foreword

bodies (ISo member bodies). The work of preparing International Standards is normally carried outmittee has been established has the right to be represented on that mittee. InternationalISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of organizations governmental and non-governmental in liaison with ISo also take part in the work.electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance aredifferent types of ISo documents should be noted. This document was drafted in accordance with theeditorial rules of the ISo/IEC Directives Part 2 (see

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For an explanation on the meaning ofISO specificterms and expressions related to conformity assessment Technical Barriers to Trade (TBT) see the following URL:

SC 4 Toughness testing - Fracture (F) Pendulum (P) Tear (T). The mittee responsible for this document is ISO/TC 164 Mechonicol testing of metals Submittee

This third edition cancels and replaces the second edition (ISO 148-1:2009) which has been technicallyrevised.

ISO 148 consists of the following parts under the general title Metallic materials Charpy pendulumimpact test:

-Part 1: Test method

--Part 2: Verification of testing machines

penduium impact machines

Metallicmaterials-Charpypendulumimpacttest-

Part 1: Testmethod

1 Scope

This part of ISO 148 specifies the Charpy (V-notch and U-notch) pendulum impact test method forcover instrumented impact testing which is specified in ISO 14556. determining the energy absorbed in an impact test of metallic materials. This part of ISO 148 does not

Annexes B and C are based on ASTM E23 and are used with the permission of ASTM International 100Barr Harbor Drive P.0. Box C700 West Conshohocken PA 19428-2959 USA.

2Normative references

and are indispensable for the application of this document. For dated references only the edition cited applies. For undated references the latest edition of the referenced document (including anyamendments) applies.

ISO 148-2 Metallic materials - Charpy pendulum impact test - Part 2: Verification of testing machines

ISO 286-1 Geometrical product specifications (GPS)-ISO code system for tolerances on linear sizes- Part 1: Basis of tolerances deviations and fits

3 Terms and definitions

For the purposes of this document the following terms and definitions apply.

3.1 Definitions pertaining to energy

initial potentialenergy 3.1.1potential energypotential energy of the pendulum hammer prior to its release for the impact test as determined by Kpdirect verification

absorbed energy 3.1.2

friction energy required to break a test piece with a pendulum impact testing machine after correction for

Note 1 to entry: The letter V or U is used to indicate the notch geometry that is: KV or KU. The number 2 or 8 isused as a subscript to indicate the radius of the striker for example KV2

nominal energy nominal initial potential energy 3.1.3

auoeu ugsa oedu unnpuad au go anoeynueu au Aq pauisse uaua KN

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