1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 4384-1:2012Plain bearings Hardnesstesting of bearing metalsPart 1: Multilayer bearings materialsBS ISO 4384-1:2012 BRITISH STANDARDNational forewordThis British Standard i
2、s the UK implementation of ISO 4384-1:2012. Itsupersedes BS ISO 4384-1:2000 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee MCE/12, Plain bearings.A list of organizations represented on this committee can beobtained on request to its secretary.This publ
3、ication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 73560 8ICS 21.100.10Compliance with a British Standard cannot confer immunity
4、fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 October 2012.Amendments issued since publicationDate Text affectedBS ISO 4384-1:2012 ISO 2012Plain bearings Hardness testing of bearing metals Part 1: Multilayer bearings
5、 materialsPaliers lisses Essai de duret des matriaux antifriction Partie 1: Matriaux multicouches pour paliers lissesINTERNATIONAL STANDARDISO4384-1Third edition2012-10-01Reference numberISO 4384-1:2012(E)BS ISO 4384-1:2012ISO 4384-1:2012(E)ii ISO 2012 All rights reservedCOPYRIGHT PROTECTED DOCUMENT
6、 ISO 2012All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in t
7、he country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 4384-1:2012ISO 4384-1:2012(E) ISO 2012 All rights reserved iiiContents PageForeword iv1 Scope . 12 Normativ
8、e references 13 Specimen . 14 Procedure. 15 Test report . 2BS ISO 4384-1:2012ISO 4384-1:2012(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carrie
9、d out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. IS
10、O collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare Internationa
11、l Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elemen
12、ts of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.ISO 4384-1 was prepared by Technical Committee ISO/TC 123, Plain bearings, Subcommittee SC 2, Materials and lubricants, their properties, characteristics, test met
13、hods and testing conditions.This third edition cancels and replaces the second edition ISO 4384-1:2000, which has been technically revised.ISO 4384 consists of the following parts, under the general title Plain bearings Hardness testing of bearing metals: Part 1: Multilayer bearings materials Part 2
14、: Solid materialsiv ISO 2012 All rights reservedBS ISO 4384-1:2012INTERNATIONAL STANDARD ISO 4384-1:2012(E)Plain bearings Hardness testing of bearing metals Part 1: Multilayer bearings materials1 ScopeThis part of ISO 4384 specifies parameters for the hardness testing of compound materials for plain
15、 bearings made from steel and bearing metal with bearing metals based on copper and aluminium, manufactured by casting, sintering or bonding. It represents a supplement to the existing ISO publications on hardness testing and, therefore, includes only the extensions and restrictions to be observed c
16、ompared to those publications.The measuring method applied depends on the bearing metal layer thickness, its hardness and its structure.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applie
17、s. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 6506-1, Metallic materials Brinell hardness test Part 1: Test method3 SpecimenThe surface of the specimen in the test area shall be bright metallic and conditioned in such a way that a sat
18、isfactory measurement of the test impression is possible. During the preparation of the specimens, it shall be ensured that the material is not heated.The test surface shall be plane in accordance with ISO 6506-1.Differing to ISO 6506-1, the thickness of the test piece shall be at least four times t
19、he depth of indentation.4 ProcedureThe test conditions shall be as given in Table 1. ISO 2012 All rights reserved 1BS ISO 4384-1:2012ISO 4384-1:2012(E)Table 1 Test conditionsCom-pound materialLayer thickness of bear-ing material mmTest conditionsaTest tempera-ture CSteel Cu-alloys 0,20Small load har
20、dness testingb18 to 24 0,20 1,5 HBW 1/10 1,5 HBW 2,5/62,5/30Steel Al-alloys 0,20Small load hardness testingb 0,20 1,5 HBW 1/5/30 1,5 HBW 2,5/31,25/30Steel 0,5Small load hardness testingb 0,5 HBW 1/30aEXAMPLE HBW 2,5/62,5/30 = Brinell hardness determined with a ball of 2,5 mm diameter and with a test
21、 force of 612,9 N applied for 30 s.bNot mandatory determination.5 Test reportThe test report shall include the following information:a) reference to this part of ISO 4384, i.e. ISO 4384-1;b) all details necessary for identification of the test sample;c) test conditions and result obtained;d) all ope
22、rations not specified by this part of ISO 4384, or regarded as optional;e) details of any occurrence which might have affected the result.NOTE 1 There is no general process of accurately converting Brinell hardness into other scales of hardness or into tensile strength. These conversions, therefore,
23、 are intended to be avoided, unless a reliable basis for the conversion can be obtained by comparison tests.NOTE 2 Note that for anisotropic materials, for example those which have been heavily cold-worked, there will be a difference between the lengths of the two diameters of the indentation. The s
24、pecification for the product can indicate limits for such differences.2 ISO 2012 All rights reservedBS ISO 4384-1:2012BS ISO 4384-1:2012ISO 4384-1:2012(E) ISO 2012 All rights reservedICS 21.100.10Price based on 2 pagesThis page deliberately left blankBSI is the independent national body responsible
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