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Investigation of dynamic fracture toughness (JId) behaviour of strength mis-matched Q & T steel weldments using instrumented Charpy impact testing
Bimalendu Guha, D. R.Gopalakrishna Achar
Published in
1999
Volume: 64
   
Issue: 4
Pages: 417 - 432
Abstract
Instrumented Charpy impact testing has been used for evaluating the dynamic fracture behaviour of mis-matched Q & T steel weldments. The effect of strength mis-match on the dynamic fracture toughness (JId) and dynamic crack resistance curves (Jd-R) of HAZ and weld metals specimens are discussed. The crack propagation and mode of failure due to impact loading are analyzed through SEM and correlated with dynamic resistance curves. © Elsevier Science Ltd.
About the journal
JournalEngineering Fracture Mechanics
ISSN00137944
Open AccessNo
Concepts (8)
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    Crack propagation
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    Impact testing
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    Scanning electron microscopy
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    Welded steel structures
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    Yield stress
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    CHARPY IMPACT TESTING
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    MICROSTRUCTURAL MISMATCH
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    Fracture toughness