Paper Title:
An Experimental Measurement of Toughness Locus for a Ductile Material
  Abstract

A toughness locus Jc-Q for a ductile steel, SA106 Grade C used in the main steam piping of nuclear power plants, has been experimentally evaluated. Along with the standard fracture test procedure for J-R curve, Q as the second parameter governing stress triaxiality nearby the crack tip is measured from the displacements nearby the side necking which occurs near the crack tip on the lateral surface of a fracture specimen. The displacements nearby the side necking are measured from the digital images taken during the fracture experiment based on Stereoscopic Digital Photography (SDP) and high resolution Digital Image Correlation (DIC) software. The crack length is monitored by Direct Current Potential Drop (DCPD) method and the J-R curve is determined according to ASTM standard E1737-96. The effects of crack length, specimen geometry and thickness of specimen are studied, which are included in the toughness locus Jc-Q.

  Info
Periodical
Key Engineering Materials (Volumes 297-300)
Edited by
Young-Jin Kim, Dong-Ho Bae and Yun-Jae Kim
Pages
2410-2415
DOI
10.4028/www.scientific.net/KEM.297-300.2410
Citation
D. H. Kim, J. H. Lee, H. D. Kim, K. J. Kang, "An Experimental Measurement of Toughness Locus for a Ductile Material ", Key Engineering Materials, Vols. 297-300, pp. 2410-2415, 2005
Online since
November 2005
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Price
$32.00
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