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ASTM D6115-97(2019)
Standard Test Method for Mode I Fatigue Delamination Growth Onset of Unidirectional Fiber-Reinforced Polymer Matrix CompositesMore info
1.1 This test method determines the number of cycles (N) for the onset of delamination growth based on the opening mode I cyclic strain energy release rate (G), using the Double Cantilever Beam (DCB) specimen shown in Fig. 1. This test method applies to constant amplitude, tension-tension fatigue loading of continuous fiber-reinforced composite materials. When this test method is applied to multiple specimens at various G-levels, the results may be shown as a G–N curve, as illustrated in Fig. 2.
FIG. 1 DCB Specimen with Piano Hinges
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2019-03-15 |
| ICS | 83.120 : Reinforced plastics |
| Number of pages | 7 |
| Replace | ASTM D6115-97(2011) |
| Year | 1990 |
| Document history | ASTM D6115-97(2011) ASTM D6115-97(2004) ASTM D6115-97 |
| Country | USA |
| Keyword | ASTM 6115;ASTM D6115;ASTM D6115;10.1520/D6115-97R19 |