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Crack initiation and short crack growth in metastable austenitic stainless steel in the high cycle fatigue regime

✍ Scribed by I. Roth; M. Kübbeler; U. Krupp; H.-J. Christ; C.-P. Fritzen


Book ID
108255644
Publisher
Elsevier
Year
2010
Tongue
English
Weight
808 KB
Volume
2
Category
Article
ISSN
1877-7058

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Initiation and early growth of fatigue c
✍ J. Lankford 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 661 KB

The micromechanics of crack initiation and early growth in 4340 steel is studied using the SEM, and it is found that growth is discontinuous and transgranular, with the distance between growth steps corresponding to the prior austenite grain size spread. The lowest observed growth rate is approximat