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Standard Test Method for Knoop Indentation Hardness of Glass
STANDARD published on 1.10.2013
Designation standards: ASTM C730-98(2013)
Note: WITHDRAWN
Publication date standards: 1.10.2013
SKU: NS-14803
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
glass, hardness, indentation, Knoop, ICS Number Code 81.040.10 (Raw materials and raw glass)
Significance and Use | ||||
4.1 The Knoop indentation hardness is one of many properties that is used to characterize glasses. Attempts have been made to relate Knoop indentation hardness to tensile strength, grinding speeds, and other hardness scales, but no generally accepted methods are available. Such conversions are limited in scope and should be used with caution, except for special cases where a reliable basis for the conversion has been obtained by comparison tests. |
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1. Scope | ||||
1.1 This test method covers the determination of the Knoop indentation hardness of glass 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||
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1.8.2013
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15.6.2012
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15.6.2013
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1.6.2013
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1.7.2011
Historical
1.12.2011
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