کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5021872 1469375 2017 48 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Bearing fatigue of composite laminates: Damage monitoring and fatigue life prediction
ترجمه فارسی عنوان
خستگی تحمل ورقه های کامپوزیت: نظارت بر خسارت و پیش بینی عمر خستگی
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
چکیده انگلیسی
In hybrid composite/metallic structures, loads can be transmitted from one part to the other through localized contact pressures, i.e., bearing. Such structures may be rotating structures, which can accumulate as many as 109 load cycles during their service life. Designing safe hybrid rotating structures thus requires a sound understanding of how composite joints degrade under bearing fatigue. Pin-bearing fatigue tests were run under load-control. Damage mechanisms were investigated using computed tomography, and the pin displacement was closely monitored thanks to a green-LED micrometer. Building upon the gathered experimental evidences, several damage indicators were then analysed. In particular, hysteresis losses were found to give interesting insights into the fatigue phenomenon, suggesting the existence of a fatigue limit in the very high cycle fatigue (VHCF) regime.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Part B: Engineering - Volume 110, 1 February 2017, Pages 487-496
نویسندگان
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