ASTM E1681-03 Standard Test Method for Determining Threshold Stress Intensity Factor for Environment-Assisted Cracking of Metallic Materials
ASTM E1681-03 Test Method determines the threshold stress intensity factor for environment-assisted cracking of metallic materials. A KEAC or KIEAC value represents a characteristic measurement of environment-assisted cracking resistance in a pre-cracked specimen exposed to an environment under sustained tensile loading. Test results are affected by force relaxation in constant displacement bolt-loaded compact specimens for some material/environment conditions.
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