The influence of corrosion pit–pit spacing on the pit?to?crack transition and fatigue lifetime
نویسندگان
چکیده
The influence of separation distance between pre-induced corrosion pits on both crack initiation and fatigue lifetimes is studied in an air environment by testing specimens containing pit pairs the low-stress, high cycle regime. results these tests are compared with equivalent samples similar sized single pit. Within scope sizes distances investigated, when below a threshold, decreasing leads to earlier onset decreased lifetimes; this threshold being dependent applied stress relative sizes. When above multiple tend behave independently each other. implication from viewpoint structural integrity assessment components flaws such as close proximity discussed.
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ژورنال
عنوان ژورنال: Fatigue & Fracture of Engineering Materials & Structures
سال: 2022
ISSN: ['1460-2695', '0160-4112', '8756-758X']
DOI: https://doi.org/10.1111/ffe.13755