A Proposal for Two Characteristic Ratios of ASTM-CTOD to BS-CTOD


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There have been two different CTOD calculations, geometric CTOD calculation in BS7448 and J-based conversion in ASTM E1290 since the ASTM International revised E1290 in 2002, and it is useful to transform one CTOD into the other CTOD. In this study, analytical and experimental investigations into the ratio of ASTM E1290-CTOD to BS7448-CTOD were carried out, and two ratios of ASTM-CTOD to BS-CTOD, R1 and R2, were characterised in terms of cleavage cracking. These two characteristic CTOD ratios are helpful in simply transforming one critical CTOD to the other.



Materials Science Forum (Volumes 638-642)

Main Theme:

Edited by:

T. Chandra, N. Wanderka, W. Reimers , M. Ionescu




Y. Kayamori et al., "A Proposal for Two Characteristic Ratios of ASTM-CTOD to BS-CTOD", Materials Science Forum, Vols. 638-642, pp. 3852-3857, 2010

Online since:

January 2010




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