ISO 6507-1 PDF

hardness test —. Part 1: Test method. Matériaux métalliques — Essai de dureté Vickers —. Partie 1: Méthode d’essai. STANDARD. ISO. Fourth edition. ISO INTERNATIONAL. STANDARD. ISO. Third edition. Metallic materials — Vickers hardness test —. Part 1: Test method. Matériaux . I.S. EN ISO is the adopted Irish version of the European . The text of ISO has been approved by CEN as EN ISO.

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No deformation shall be visible at the back of the 6057-1 piece after the test. If the measuring system fails this test, appropriate action should be taken.

The Vickers hardness test is specified in this part of Sio for lengths of indentation diagonals between 0, mm and 1, mm. It should be noted that for anisotropic materials, for example those which have been heavily cold-worked, there will be a difference between the lengths of the two diagonals of the indentation. The time from the initial application of the force until the full test force is reached shall not be less than 2 s nor greater than 8 s.

There is no general process of accurately converting Vickers hardness into other scales of hardness or into tensile strength. The procedure for the determination of Ucorr is explained in Table D.

BS EN ISO 6507-1:2018

Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Because of this approach, it is important that the individual machine components are operating within the tolerances. For dated references, only the edition cited applies.

VDI-Berichte 11pp.

For automated kso systems this standard should be applied accordingly. Already Subscribed to this document. Due to the small depth of Vickers microhardness indentations, it is essential that special precautions are taken during preparation.

It may not always be possible to quantify all the identified contributions to the uncertainty.

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ISO : 金属维氏硬度试验 第一部分:试验方法 – MBA智库文档

These performance uncertainties reflect the 607-1 effect to all the separate uncertainties indirect verification. In GUM, it is recommended to use a correction to compensate for such systematic effects.

The correction factors are tabulated in terms of the ratio of the mean diagonal d of the indentation to the diameter D of the cylinder. In accordance with Adobe’s licensing policy, this file may be printed or viewed ieo shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing.

Werkstofftechnik 4pp. The error b step 10 can be expected to be a systematic effect. As the voice of the U. NOTE 1 A strict comparison of hardness values is only possible at identical test forces. There is no correction of the hardness values with respect to the jso.

You may delete a document from your Alert Profile at any time. The distance between the centres of two adjacent indentations shall be at least three times the mean diagonal length of the indentation in the case of steel, copper and oso alloys, and at least six times the mean diagonal length in the case of light metals, lead and tin and their alloys.

This standard is also available to be included in Standards Subscriptions. Proceed to Checkout Continue Shopping.

This standard is not included in any packages. It is intended to make the annex normative in the next revision of this part of ISO Standard. The error is no longer in the calculation of the uncertainty but all determined hardness values have to be corrected by b or Ucorr has to be increased by b.

If the difference is greater, this shall be stated in the test report. It is strongly recommended that this procedure be applied for a maximum of one year after the successful passing of a direct verification. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing.

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Test method 1 Scope This part of ISO specifies the Vickers hardness test method, for the three different ranges of test force for metallic materials see Table iiso. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee.

This part of ISO specifies the Vickers hardness test method, ixo the three different ranges of test force for metallic materials including hardmetals. Subscription pricing is determined by: ISO consists of the following parts, under the general title Metallic materials — Vickers hardness test: This is particularly true for low-force Vickers hardness tests and Vickers microhardness tests, where the principal limitation will arise in the measurement of the diagonals 650-1 the indentation.

NOTE 2 In general, decreasing the test force increases the scatter of results of the measurements. 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 ISO’s member body in the isl of the requester.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.

The duration of the test force shall be 10 s to 15 s, except for tests on materials whose time-dependent properties would make this an unsuitable range. Independent of the type of sources, for hardness there are two possibilities for the determination of the uncertainty.

Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Naturally, direct calibration and the verification of these machines should be at the 607-1 possible accuracy.

In this case, an estimate of type A standard uncertainty may be obtained from the statistical analysis of repeated indentations into the test piece.