Procedure to Estimate the Crack Resistance Curve from the Instrumented Charpy V–Notched Impact Test
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Abstract
Recently, a simple procedure based on the relationship between crack length
and absorbed energy was provided to determine the crack length from the load–
displacement test record. This procedure was validated on a large number of
materials using various cracked geometries. The main objective of this paper is to
investigate the possibility to apply a similar procedure to a V–notched geometry,
namely the Charpy specimen. Such an evaluation would lead to estimate the
material crack resistance from a single Charpy V–notched impact test.
By performing a number of well–selected experiments, we demonstrated that
such a correlation exists, allowing the determination of both static as well as
dynamic (impact) crack resistance from the simple instrumented Charpy impact
test with a reasonable accuracy.
Details
| Original language | English |
|---|---|
| Title of host publication | avaliable only on CD |
| Place of Publication | Ottawa, Canada |
| Publication status | Published - 15 Jul 2009 |
| Event | 12th International Conference on Fracture - Natural Resources Canada - CANMET Materials Technology Laboratory (NRCan-CANMET) and the National Research Council of Canada (NRC), Ottawa, Canada Duration: 13 Jul 2009 → 17 Jul 2009 |
Conference
| Conference | 12th International Conference on Fracture |
|---|---|
| Country/Territory | Canada |
| City | Ottawa |
| Period | 2009-07-13 → 2009-07-17 |
Keywords
- ductile fracture, crack resistance, Charpy V–notched, quasi–static loading, dynamic loading
ID: 206290