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ASTM International - ASTM C849-88(2020)

Standard Test Method for Knoop Indentation Hardness of Ceramic Whitewares

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Organization: ASTM International
Publication Date: 1 November 2020
Status: active
Page Count: 5
ICS Code (Ceramic products): 81.060.20
significance And Use:

5.1 The Knoop indentation hardness is one of many properties that is used to characterize ceramic whitewares. Attempts have been made to relate Knoop indentation hardness to tensile strength,... View More

scope:

1.1 This test method covers the determination of the Knoop indentation hardness of ceramic whitewares and the verification of Knoop indentation hardness testing machines using standard glasses.

1.2 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM C849-88(2020)
November 1, 2020
Standard Test Method for Knoop Indentation Hardness of Ceramic Whitewares
1.1 This test method covers the determination of the Knoop indentation hardness of ceramic whitewares and the verification of Knoop indentation hardness testing machines using standard glasses. 1.2...
July 1, 2016
Standard Test Method for Knoop Indentation Hardness of Ceramic Whitewares
1.1 This test method covers the determination of the Knoop indentation hardness of ceramic whitewares and the verification of Knoop indentation hardness testing machines using standard glasses....
March 1, 2011
Standard Test Method for Knoop Indentation Hardness of Ceramic Whitewares
1.1 This test method covers the determination of the Knoop indentation hardness of ceramic whitewares and the verification of Knoop indentation hardness testing machines using standard glasses. 1.2...
February 15, 2006
Standard Test Method for Knoop Indentation Hardness of Ceramic Whitewares
1.1 This test method covers the determination of the Knoop indentation hardness of ceramic whitewares and the verification of Knoop indentation hardness testing machines using standard glasses. 1.2...
October 10, 1999
Standard Test Method for Knoop Indentation Hardness of Ceramic Whitewares
1.1 This test method covers the determination of the Knoop indentation hardness of ceramic whitewares and the verification of Knoop indentation hardness testing machines using standard glasses. 1.2...
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