EN ISO 28080:2021

SLOVENSKI STANDARD
01-maj-2021
Trdine - Abrazijski preskusi za trde kovine (ISO 28080:2021)
Hardmetals - Abrasion tests for hardmetals (ISO 28080:2021)
Hartmetalle - Abriebprüfung für Hartmetalle (ISO 28080:2021)
Métaux-durs - Essais d’abrasion des métaux-durs (ISO 28080:2021)
Ta slovenski standard je istoveten z: EN ISO 28080:2021
ICS:
77.040.10 Mehansko preskušanje kovin Mechanical testing of metals
77.160 Metalurgija prahov Powder metallurgy
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 28080
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2021
EUROPÄISCHE NORM
ICS 77.040.10; 77.160
English Version
Hardmetals - Abrasion tests for hardmetals (ISO
28080:2021)
Métaux-durs - Essais d'abrasion des métaux-durs (ISO Hartmetalle - Abriebprüfung für Hartmetalle (ISO
28080:2021) 28080:2021)
This European Standard was approved by CEN on 30 January 2021.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

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, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 28080:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 28080:2021) has been prepared by Technical Committee ISO/TC 119 "Powder
metallurgy" in collaboration with Technical Committee CEN/SS M11 “Powder metallurgy” the
secretariat of which is held by CCMC.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by September 2021, and conflicting national standards
shall be withdrawn at the latest by September 2021.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: 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, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 28080:2021 has been approved by CEN as EN ISO 28080:2021 without any modification.

INTERNATIONAL ISO
STANDARD 28080
Second edition
2021-02
Hardmetals — Abrasion tests for
hardmetals
Métaux-durs — Essais d’abrasion des métaux-durs
Reference number
ISO 28080:2021(E)
©
ISO 2021
ISO 28080:2021(E)
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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ii © ISO 2021 – All rights reserved

ISO 28080:2021(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Materials . 2
5.1 Test pieces . 2
5.1.1 Overall sizes . 2
5.1.2 Surface finish . 2
5.2 Abrasive . 2
5.3 Reference materials . 2
5.4 Wheel . 3
5.4.1 Material . 3
5.4.2 Wheel size . 3
6 Apparatus . 3
6.1 Summary of apparatuses (test systems) . 3
6.2 Abrasive-feed mechanism . 4
6.3 Vacuum extraction . 4
6.4 Control of wheel speed . 5
6.5 Calibration of abrasive flow . 5
6.6 Test load . 5
6.7 Fluid flow . 5
6.8 Instrumentation . 5
7 Preparation of test piece . 6
7.1 Test-piece cleaning . 6
7.2 Test-piece weighing . 6
7.3 Test-sample density . 6
8 Procedure. 7
8.1 General . 7
8.2 Test-piece clamping . 7
8.3 Typical operation conditions . 7
8.4 Start of test . 7
8.5 End of test or test stop . 7
8.6 Interrupted tests. 8
8.7 Use of a reference material . 8
8.8 Number of repeat tests . 8
9 Expression of results . 8
9.1 Single-step test . 8
9.2 Multiple-step test . 8
9.2.1 Tabulation . 8
9.2.2 Calculation of abrasion rate. 9
9.3 Illustration of trends of wear, friction force and normal force . 9
9.4 Illustration of comparative set of measurements using two abrasion materials . 9
10 Uncertainty of measurement .10
11 Test report .11
Bibliography .
...