کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5458536 1516164 2018 26 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Goss texture intensity effect on fatigue crack propagation resistance in an Al-Cu-Mg alloy
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
Goss texture intensity effect on fatigue crack propagation resistance in an Al-Cu-Mg alloy
چکیده انگلیسی
Goss texture intensity effect on fatigue crack propagation (FCP) resistance in an Al-Cu-Mg alloy sheet is investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM) and electron back scattering diffraction (EBSD). Results show that sheet with high intensity Goss texture presents a lower FCP rate than relatively low intensity Goss-texture one. Greater crack deflections in the high intensity Goss texture sheet are observed during FCP, resulting in a rougher fracture surface and a greater roughness induced crack closure (RICC) effect, comparing to the low intensity Goss texture sheet. A modified crystallographic model is developed to calculate the twist angle and tilt angle between neighboring grains. Therefore, fatigue crack deflection occurred during FCP could be analyzed and understood.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 730, 5 January 2018, Pages 318-326
نویسندگان
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