ASTM E384 10E2 PDF

Status: Alert Withdrawn. Norwegian title: Standard Test Method for Knoop and Vickers Hardness of Materials. English title: Standard Test Method for Knoop and . ASTM Ee2. Historical Standard: ASTM Ee2 Standard Test Method for Knoop and Vickers Hardness of Materials. SUPERSEDED (see Active link. ASTM Ee2. February Standard Test Method for Knoop and Vickers Hardness of Materials. Historical Version.

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ASTM E384:10e2

Content only available by subscription. When doing the hardness tests the minimum distance between indentations and the distance from the indentation to the edge of the specimen must be taken into account to avoid interaction between the work-hardened regions and effects of the edge.

A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. Sandland at Vickers Ltd as an alternative to the Brinell method to measure the hardness of materials. The hardness number is determined by the load over the surface area of the indentation and not the area normal to the force, and is therefore not pressure.

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Vickers values are generally independent of the test force: The Vickers test can be used for all metals and qstm one of the widest scales among hardness tests. The benefits of a subscription: While they are progressively making their watches better, they are also using it as a marketing information for the consumer.

This standard has been approved for use by agencies of the Department of Defense. Register for a trial account. In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise. A number in parentheses indicates the year of last reapproval.

Vickers hardness test

The Vickers hardness test was developed in by Robert L. The fin attachment pins and sleeves in the Convair airliner were specified by the aircraft manufacturer to be hardened to a Vickers Hardness specification of HV5, the ‘5’ meaning five kiloponds.

The pyramidal diamond indenter of a Vickers hardness tester. Last previous edition approved in as E — 10e2.

Some manufactures are promoting that they have watch 10w2 at Vickers compared to other watches rating at The basic principle, as with all common measures of hardness, is to observe the questioned material’s ability to resist plastic deformation from a standard source. Vickers hardness numbers are reported as xxxHVyye.

ASTM Ee1《材料的努氏和维氏硬度标准试验方法》美国标准(英文版)

An indentation left in case-hardened steel after a Vickers hardness test. 100e2 Printed and bound. Currently some watch companies are improving the crystal watch glass by testing the strength using the Vickers hardness test.

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The last approved version of this historical standard is referenced on www. With this revision the test method was expanded to include the requirements previously defined in E It was decided that the indenter shape should be capable of producing geometrically similar impressions, irrespective of size; the impression should have well-defined points of measurement; and the indenter should have high resistance to self-deformation.

The electronic file may not be reproduced in any way. A can be determined by the formula. Start Webshop Product catalog Product presentation. For thin samples indentation depth can be an issue due to substrate effects.

The everyday consumer is now being made aware of crystal strength in their watches due to the Vickers hardness test. Vickers hardness test A Vickers hardness tester. The angle was varied experimentally and it was found that the hardness value obtained on a homogeneous piece of material remained constant, irrespective of load.

Vickers hardness test

NOTE 1—Previous versions of this standard limited test forces to 9. Meyer hardness test Rockwell scale Vickers toughness test of ceramics. I,p — However, because of the historical precedent and continued common usage, force values in gf and kgf units are provided for information and much of the discussion in this standard as well as the method of reporting the test results refers to these units.