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TECHNICAL PAPERS

Dynamic Fracture Toughness and Charpy Transition Properties of a Service-Exposed 2.25Cr-1Mo Reheater Header Pipe

[+] Author and Article Information
P. R. Sreenivasan, C. G. Shastry, M. D. Mathew, K. Bhanu Sankara Rao, S. L. Mannan

Materials Development Group, Indira Gandhi Center for Atomic Research, Kalpakkam-603 102, India

G. Bandyopadhyay

R&D Centre, NTPC, Noida-201301 (U.P.), India

J. Eng. Mater. Technol 125(2), 227-233 (Apr 04, 2003) (7 pages) doi:10.1115/1.1543969 History: Received September 17, 2001; Revised June 12, 2002; Online April 04, 2003
Copyright © 2003 by ASME
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References

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Sreenivasan, P. R., Ray, S. K., and Mannan, S. L., 2002, 2001, “Dynamic JR Curves of 308 Stainless Steel Weld from Instrumented Impact Test of Unprecracked Charpy V-Notch Specimens,” from Charpy to Present Impact Testing (Selected Papers from CCC-2001, Poitiers, France, Oct. 2001) D. Francois and A. Pineau, eds., ESIS Publication No. 30, Elsevier Sci. Ltd. and ESIS, Oxford, UK, pp. 315–323.
Sreenivasan, P. R., Ray, S. K., and Mannan, S. L., 2001, 2001, “Dynamic JR Curves from Instrumented Impact Test of Unprecracked Charpy V-Notch Speciments of Austenitic Stainless Steel,” (Reference: ICF100359PR), Poster Paper-Int. Conf. On Fracture: ICF-10. Honolulu, Hawaii, 2–6 December (2001), Proc. ICF-10 (Eds. K. Ravi-Chandar, B. L. Karihaloo, T. Kishi, R. O. Ritchie, A. T. Yokobori, Jr.), Elsevier Science Ltd., Oxford (UK).

Figures

Grahic Jump Location
Charpy transition curve for service-exposed 2.25Cr-1Mo steel
Grahic Jump Location
Load-temperature diagram for service exposed 2.25Cr-1Mo steel from instrumented impact test
Grahic Jump Location
Comparison of measured PSF (ASTM E23) with estimated PSF from empirical formulas using load data from instrumented impact test
Grahic Jump Location
Measured PSF (ASTM E23) and calculated PSF3 plotted against test temperature
Grahic Jump Location
Variation of estimated lower-bound KId with test temperature
Grahic Jump Location
FATT based 99 percent confidence Master Curve compared with estimated lower-bound KId
Grahic Jump Location
Typical load-time (P-t) traces from instrumented Charpy impact tests (PGY,Pmax,PF above are referred to as Pgy,Pm, and Pf, respectively, in the text)

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