The Determination Of K ISCC Of Mild Steel In Hot Caustic By Using Small Circumferential Notched Tensile (CNT) Fracture Toughness Specimens

Rihan, R., Ibrahim, R. N. and Singh Raman, R. K. (2004). The Determination Of K ISCC Of Mild Steel In Hot Caustic By Using Small Circumferential Notched Tensile (CNT) Fracture Toughness Specimens. In: Atrens, A., Boland, J. N., Clegg, R. and Griffiths, J. R., Structural Integrity and Fracture International Conference (SIF'04), Brisbane, Australia, (317-323). 26-29 September 2004.

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Author Rihan, R.
Ibrahim, R. N.
Singh Raman, R. K.
Title of paper The Determination Of K ISCC Of Mild Steel In Hot Caustic By Using Small Circumferential Notched Tensile (CNT) Fracture Toughness Specimens
Conference name Structural Integrity and Fracture International Conference (SIF'04)
Conference location Brisbane, Australia
Conference dates 26-29 September 2004
Publication Year 2004
Sub-type Fully published paper
Editor Atrens, A.
Boland, J. N.
Clegg, R.
Griffiths, J. R.
Start page 317
End page 323
Abstract/Summary A new technique for rapid and cost-effective determination of stress intensity factor (K I) and fracture toughness (K IC) using small circumferential notch tensile (CNT) specimens is presented and used to determine the crack growth rate of an ex-service component. The paper highlights the scope and advantages of extending this technique for assessing the susceptibility of ferrous alloys to stress corrosion cracking (SCC). A modified CNT testing rig is designed and constructed based on an existing room temperature sustained load crack testing rig by adding facilities for testing SCC susceptibility at different temperatures. The new testing rig simplifies and speeds up the testing procedure as well as provides considerable cost advantage over the conventional fracture mechanics techniques. The paper also presents results of the SCC tests carried out on mild steel (AISI 1020) using this modified CNT rig.
Subjects 290801 Structural Engineering
Keyword circumferential notched tensile
CNT
fracture toughness
stress intensity factor
testing
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Conference Paper
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Thu, 23 Dec 2004, 10:00:00 EST by Lucy Peachey on behalf of Research Management Office