کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7172015 1463762 2015 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Application of crack tip plasticity based fatigue model on high temperature alloy HAYNES® 282®
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
پیش نمایش صفحه اول مقاله
Application of crack tip plasticity based fatigue model on high temperature alloy HAYNES® 282®
چکیده انگلیسی
Confined crack tip plasticity model is employed to predict time independent fatigue crack growth rate (FCGR) behavior of HAYNES® 282® alloy at temperatures 1200F and 1400F. Crack growth tests were done in lab air, vacuum and steam environments at load ratios R = Kmin/Kmax ranging from 0.05 to 0.5. Calibrated model predicts average cyclic crack growth rate behavior of the material reasonably well. Predictions do not capture the accelerated fatigue crack growth rates observed in the data at low load levels. Such effects are believed to be caused by environmentally driven factors, which are not expected to be predicted by plasticity based models.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Fatigue - Volume 70, January 2015, Pages 146-153
نویسندگان
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