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Stress corrosion crack velocity in 4340 steel

✍ Scribed by A.M. Sullivan

Publisher: Elsevier Science
Year: 1972
Tongue: English
Weight: 603 KB
Volume: 4
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(72)90077-x

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✦ Synopsis

Continued application of the tensile ligament instability model to environment assisted crack orooaeation velocities -this time for a 4340 steel tempered at 7H)"F -indicates that when fine detaiis of this proce& are examined evidence ofits applicability can result. The apparent constant velocity regime discussed by other authors and noted here can be considered as an averaged value resulting from short spurts of velocity acceleration damped out by a branching process. critical tensile strain Cr,,/& compressive diametrai strain strain at yield stress tensile axial strain.

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