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ASTM E647-13ae1
- Standard Test Method for Measurement of Fatigue Crack Growth Rates
- standard by ASTM International, 10/15/2013
- Publisher: ASTM
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1.1 This test method2 covers the determination of fatigue crack growth rates from near-threshold to Kmax controlled instability. Results are expressed in terms of the crack-tip stress-intensity factor range (ΔK), defined by the theory of linear elasticity.