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ASTM International - ASTM C1421-18

Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature

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Organization: ASTM International
Publication Date: 1 January 2018
Status: active
Page Count: 33
ICS Code (Advanced ceramics): 81.060.30
significance And Use:

5.1 Fracture toughness, KIc, is a measure of the resistance to crack extension in a brittle material. These test methods may be used for material development, material... View More

scope:

1.1 These test methods cover the fracture toughness, KIc, determination of advanced ceramics at ambient temperature. The methods determine KIpb (precracked beam test specimen), KIsc (surface crack in flexure), and KIvb (chevron-notched beam test specimen). The fracture toughness values are determined using beam test specimens with a sharp crack. The crack is either a straight-through crack formed via bridge flexure (pb), or a semi-elliptical surface crack formed via Knoop indentation (sc), or it is formed and propagated in a chevron notch (vb), as shown in Fig. 1.

1.6 Values expressed in these test methods are in accordance with the International System of Units (SI) and IEEE/ASTM SI 10.

1.7 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.8 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.

1.9 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 C1421-18
January 1, 2018
Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature
1.1 These test methods cover the fracture toughness, KIc, determination of advanced ceramics at ambient temperature. The methods determine KIpb (precracked beam test specimen), KIsc (surface crack in...
January 1, 2016
Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature
1.1 These test methods cover the fracture toughness, KIc, determination of advanced ceramics at ambient temperature. The methods determine KIpb (precracked beam test specimen), KIsc (surface crack in...
July 1, 2015
Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature
1.1 These test methods cover the fracture toughness, KIc, determination of advanced ceramics at ambient temperature. The methods determine KIpb (precracked beam test specimen), KIsc (surface crack in...
December 1, 2010
Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature
1.1 These test methods cover the fracture toughness, KIc, determination of advanced ceramics at ambient temperature. The methods determine KIpb (precracked beam test specimen), KIsc (surface crack in...
May 1, 2009
Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature
1.1 These test methods cover the fracture toughness, KIc, determination of advanced ceramics at ambient temperature. The methods determine KIpb (precracked beam test specimen), KIsc (surface crack in...
February 1, 2007
Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature
1.1 These test methods cover the fracture toughness determination of K Ipb (precracked beam test specimen), K Isc (surface crack in flexure), and K Ivb (chevron-notched beam test specimen) of...
October 10, 2001
Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature
1.1 These test methods cover the fracture toughness determination of KIpb (precracked beam specimen), KIsc (surface crack in flexure), and KIvb (chevron-notched beam specimen) of advanced ceramics at...
October 10, 2001
Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperatures
1.1 These test methods cover the fracture toughness determination of KIpb (precracked beam specimen), KIsc (surface crack in flexure), and KIvb (chevron-notched beam specimen) of advanced ceramics at...
October 10, 2001
Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperatures
1.1 These test methods cover the fracture toughness determination of KIpb (precracked beam specimen), KIsc (surface crack in flexure), and KIvb (chevron-notched beam specimen) of advanced ceramics at...
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