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ASTM C1421-15 PDF

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Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature
standard by ASTM International, 07/01/2015

Document Format: PDF

Description

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.

Note 1: The figures on the right show the test specimen cross sections and crack types. Four-point loading may be used with all three methods. Three-point may be used with the pb and vb specimens.

Product Details

Published:
07/01/2015
Number of Pages:
33
File Size:
1 file , 890 KB
Redline File Size:
2 files , 2.3 MB
Note:
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