Better Steels Call for Better Testing

The breakdown in the usefulness of Charpy USE as a predictor of fracture toughness has led investigators, since the 1980s, to look toward more theoretical approaches based on fracture mechanics variables. This includes crack-tip stress or strain, crack-tip opening displacement or crack-tip opening a...

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Bibliographic Details
Published in:Metal Producing & Processing 2008-07, Vol.46 (4), p.22
Main Author: Osborne, Nick
Format: Article
Language:English
Subjects:
Brittleness
Crack initiation
Crack propagation
Ductility
Energy
Heat treating
Investigations
Manufacturers
Propagation
Steel
Steel pipes
Tensile strength
Wear tests
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Summary:The breakdown in the usefulness of Charpy USE as a predictor of fracture toughness has led investigators, since the 1980s, to look toward more theoretical approaches based on fracture mechanics variables. This includes crack-tip stress or strain, crack-tip opening displacement or crack-tip opening angle (CTOA), crack-tip force or energy release rate, to name just a few.
ISSN:1547-1411