英文名称：
ASTM B647-10 (2016)
Standard Test Method for Indentation Hardness of Aluminum Alloys by Means of a Webster Hardness Gage
中文名称：
ASTM B647-10 (2016)
使用韦氏硬度计测试铝及铝合金压痕硬度的标准试验方法
替代情况：替代ASTM B647-10
代号说明：
This standard is issued under the fixed designation B647; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (ε) indicates an editorial change since the last revision or reapproval.
版本说明：
1. This test method is under the jurisdiction of ASTM Committee B07 on Light Metals and Alloys and is the direct responsibility of Subcommittee B07.05 on Testing. Current edition approved May 1, 2016. Published May 2016. Originally approved in 1984. Last previous edition approved in 2010 as B647 – 10. DOI: 10.1520/B0647-10R16.
2. For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards volume information, refer to the standard’s Document Summary page on the ASTM website.
标准正文：
1. Scope
1.1 This test method covers the determination of indentation hardness of aluminum alloys with a Webster hardness gage, Model B.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1 Exception—The values given in parentheses are for information only.
NOTE 1—Two other models,Aand B-75, are in use, but are not covered in this test method. Model A does not provide numerical values of hardness and Model B-75 covers only a part of the range of interest for aluminum alloys.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents
2.1 ASTM Standards:
E6 Terminology Relating to Methods of Mechanical Testing
E10 Test Method for Brinell Hardness of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Materials
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
3. Terminology
3.1 Definitions—The definitions of terms relating to hardness testing appearing in Terminology E6 shall be considered as applying to the terms used in this test method.
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