ASTM E384-2016 red 0205 Standard Test Method for Microindentation Hardness of Materials《材料显微硬度的标准试验方法》.pdf
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1、Designation: E384 111E384 16Standard Test Method forKnoop and Vickers Microindentation Hardness of Materials1This standard is issued under the fixed designation E384; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last
2、 revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1 NOTESections 8.3 and A1.1.4 were editorially c
3、orrected in March 2012.1. Scope*1.1 This test method covers determination of the Knoop and Vickers hardness of materials, the verification of Knoop andVickers hardness testing machines, and the calibration of standardized Knoop and Vickers test blocks. microindentation hardnessof materials.1.2 This
4、test method covers microindentation tests made with Knoop and Vickers hardness tests made utilizing indenters undertest forces in micro (9.807 the range from 9.8 10-3 to 9.807 N ) ( 1 to 1000 gf ) and macro (9.807 to 1176.80 N) ( 1kg to 120kgf ) ranges.9.8 N (1 to 1000 gf).NOTE 1Previous versions of
5、 this standard limited test forces to 9.807 N (1 kgf).1.3 This test method includes all of the requirements to perform macro Vickers hardness tests as previously defined in TestMethod E92, Standard Test Method for Vickers Hardness Testing.1.3 This test method includes an analysis of the possible sou
6、rces of errors that can occur during Knoop and Vickersmicroindentation testing and how these factors affect the accuracy, precision, bias, repeatability, and reproducibility of test results.NOTE 2While Committee E04 is primarily concerned with metals, the test procedures described are applicable to
7、other materials.1.4 Information pertaining to the requirements for direct verification and calibration of the testing machine and the requirementsfor the manufacture and calibration of Vickers and Knoop reference hardness test blocks are in Test Method E92.NOTE 1While Committee E04 is primarily conc
8、erned with metals, the test procedures described are applicable to other materials.1.5 UnitsWhen Knoop and Vickers hardness tests were developed, the force levels were specified in units of grams-force (gf)and kilograms-force (kgf). This standard specifies the units of force and length in the Intern
9、ational System of Units (SI); that is,force in Newtons (N) and length in mm or m. However, because of the historical precedent and continued common usage, forcevalues in gf and kgf units are provided for information and much of the discussion in this standard as well as the method ofreporting the te
10、st results refers to these units.The values stated in SI units are to be regarded as standard. No other units ofmeasurement are included in this standard.1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of
11、this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C1326 Test Method for Knoop Indentation Hardness of Advanced CeramicsC1327 Test Method for Vickers Indentation Hardness
12、of Advanced CeramicsE3 Guide for Preparation of Metallographic SpecimensE7 Terminology Relating to Metallography1 This test method is under the jurisdiction of ASTM Committee E04 on Metallography and is the direct responsibility of Subcommittee E04.05 on MicroindentationHardness Testing.With . With
13、this revision the test method was expanded to include the requirements previously defined in E28.92, Standard Test Method for Vickers HardnessTesting of Metallic Material that was under the jurisdiction of E28.06Current edition approved Aug. 1, 2011Feb. 1, 2016. Published August 2011April 2016. Orig
14、inally approved in 1969. Last previous edition approved in 2010 asE384 10E384 11 21. DOI: 10.1520/E0384-11E01.10.1520/E0384-162 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information,
15、refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all
16、 changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 10
17、0 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1E29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE74 Practice of Calibration of Force-Measuring Instruments for Verifying the Force Indication of Testing MachinesE92 Te
18、st Methods forMethod For Vickers Hardness and Knoop Hardness of Metallic MaterialsE122 Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot orProcessE140 Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vicker
19、s Hardness, Rockwell Hardness,Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb HardnessE175 Terminology of MicroscopyE177 Practice for Use of the Terms Precision and Bias in ASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Tes
20、t MethodE766 Practice for Calibrating the Magnification of a Scanning Electron MicroscopeE2554 Practice for Estimating and Monitoring the Uncertainty of Test Results of a Test Method Using Control Chart TechniquesE2587 Practice for Use of Control Charts in Statistical Process Control2.2 ISO Standard
21、s:Standard:3ISO 6507-1 Metallic MaterialsVickers hardness Test Part 1: Test MethodISO/IEC 17011 Conformity AssessmentGeneral Requirements for Accreditation Bodies Accrediting Conformity AssessmentBodies.ISO/IEC 17025 General Requirements for the Competence of Testing and Calibration Laboratories3. T
22、erminology3.1 DefinitionsFor the standard definitions of terms used in this test method, see Terminology E7.3.2 Definitions of Terms Specific to This Standard:3.2.1 calibrating, vdetermining the values of the significant parameters by comparison with values indicated by a referenceinstrument or by a
23、 set of reference standards.3.2.2 Knoop hardness number, HK, nan expression of hardness obtained by dividing the force applied to the Knoop indenterby the projected area of the permanent indentationimpression made by the indenter.3.2.3 Knoop indenter, na rhombic-based pyramidal-shaped diamond indent
24、er with edge angles of /A = 172 30 and / B= 130 0 (see Fig. 21).3.2.4 microindentation hardness test, na hardness test using a calibrated machine to force a diamond indenter of specificgeometry into the surface of the material being evaluated, in which the test forces are 9.807 range from 1 to 1000
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