Size, Geometry, and Material Effects in Fracture Toughness Testing of Irradiated Zr-2.5Nb Pressure Tube Material / PH. Davies, RSW Shewfelt

Conference Author: Zirconium in the Nuclear Industry: Twelfth International Symposium (12th : 1998 : Toronto, Canada)
Physical Description: 1 online resource (21 pages) : illustrations, figures, tables
Additional Creators: Shewfelt, RSW, Davies, PH., American Society for Testing and Materials, and ASTM International

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Summary

The effect of initial crack size on the crack growth resistance (J-R) curves determined from burst tests on irradiated Zr-2.5Nb pressure tubes has been studied and the results compared with those obtained from matched curved compact specimens. The study used sections from three different tubes representative of material of low, intermediate, and high toughness. In each case a series of burst tests was conducted at 250¿̐ưC with different starting crack sizes (from 35 to 85 mm) followed by small specimen testing. The toughness was characterized by means of deformation J-R curves using the d-c potential drop method to measure stable crack growth. Fractographic studies were also conducted in support of the J-R curve results.

Dates of Publication and/or Sequential Designation

Volume 2000, Issue 1354 (January 2000)

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ISBN

9780803154162 (e-ISBN)
9780803124998
0803124996

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text file PDF

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Includes bibliographical references 31.

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Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 2000. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.

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Mode of access: World Wide Web.

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